CN109877314A - A kind of multifunction atmospheric data probe and increasing material manufacturing method - Google Patents
A kind of multifunction atmospheric data probe and increasing material manufacturing method Download PDFInfo
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- CN109877314A CN109877314A CN201811483882.6A CN201811483882A CN109877314A CN 109877314 A CN109877314 A CN 109877314A CN 201811483882 A CN201811483882 A CN 201811483882A CN 109877314 A CN109877314 A CN 109877314A
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Abstract
The invention belongs to airborne atmosphere data Detection Techniques, and in particular to a kind of multifunction atmospheric data probe and increasing material manufacturing method.Multifunction atmospheric data probe of the present invention generally L-shaped structure takes flat abnormity pneumatically to experience configuration design, is made of tube head, hollow L shape monolithic case and heating circuit.The tube head is taper hole structure, is socketed on L shape shell, and offer pitot hole.Traditional tube body and support arm are integrated into an entirety by the L shape shell, and surface offers the static pressure hole of gas circuit connection, independent upper and lower angle of attack hole, the mutually independent stagnation pressure chamber of interior design, static pressure chamber and two-way angle of attack chamber, totally four tunnel pressure.The present invention uses new 3D printing technique, meet the demand of the inner air path transmitting and Multi-functional probe of multichannel pressure, it solves more gas path layouts, the thin contradiction between dynamic response of pressure piping of pick-up inner cavity, improves manufacture qualification rate and product reliability.
Description
Technical field
The invention belongs to airborne atmosphere data Detection Techniques, and in particular to a kind of multifunction atmospheric data probe and increase material system
Make method.
Background technique
Normal atmospheric data probe experiences stagnation pressure, stagnation pressure/static pressure, and flying height, speed are used in air data system
The resolving of relevant parameter.Develop currently, atmosphere data is popped one's head in multi-functional and synthesization direction, probe is also to miniaturization
Development, atmosphere data probe is able to satisfy the impression function of the comprehensive parameters such as stagnation pressure, static pressure, the angle of attack, yaw angle from pneumatic principle,
But it is limited by manufacturing capacity, often most multipotency experiences 3 tunnel pressure, has stagnation pressure, up/down differential pressure probe or stagnation pressure, double redundancy quiet
Pressure probe, synthesization degree are low.
Its manufacturing method however prior art atmosphere data is popped one's head in is general using machining.However due to multi-functional big
Destiny is according to the more gas path layout's complexity of probe bore and the thin contradiction between dynamic response of pressure piping, so that conventional machine
Tool processing method manufacturing process difficulty is big, is unable to satisfy requirement.
Summary of the invention
The object of the present invention is to provide a kind of multifunction atmospherics that can be realized stagnation pressure, static pressure, the angle of attack and sideslip angular measurement
Data probe.
In addition, also providing the increasing material manufacturing method of the multifunction atmospheric data probe.
The technical scheme is that a kind of multifunction atmospheric data probe, generally L-shaped structure, by tube head, hollow
L shape monolithic case and heating circuit composition.The tube head is taper hole structure, is socketed on L shape shell, and offer stagnation pressure
Hole.Traditional tube body and support arm are integrated into an entirety by the L shape shell, and surface offers the static pressure hole of gas circuit connection, solely
Vertical upper and lower angle of attack hole, the mutually independent stagnation pressure chamber of interior design, static pressure chamber and two-way angle of attack chamber, totally four tunnel pressure,
In, stagnation pressure chamber is located at tube body center, and be connected to pitot hole, the upper and lower static pressure hole of static pressure chamber connection, angle of attack chamber is respectively communicated with,
Lower angle of attack hole.Total pressure gas channel cavity arrangements anti-icing and deicing heats circuit.
The static pressure chamber and angle of attack chamber are surround around stagnation pressure chamber to be arranged, and is mutually staggered, and keeps independent.
The tube body and support arm and internal stagnation pressure chamber, static pressure chamber and two-way angle of attack chamber are integrally formed, and pass through entirety
Shell Manufacture automatically keep hermetic seal.Four tunnel pressure are different from more part welded seal structures of traditional pick-up, lead to
Crossing whole L shape shell realizes self-sealing, and inner air path realizes the switch transition in flow field, is more advantageous to waterproof and anti-icing property
Can, while the smallest cross-sectional of four tunnel gas circuits is not less than the section of 3 conduit of conventional catheters φ, has better dynamic response special
Property.
The static pressure chamber and angle of attack chamber have low RCS's in the junction cavity geometry abnormity flattening of tube body and support arm
Configuration design.
The stagnation pressure is intracavitary to be provided with electric heater.
It is integrated between the electric heater and stagnation pressure cavity wall using vacuum brazing integral solder.
The tube head and support arm nosing material are thermally conductive good nickel material, can satisfy anti-icing and deicing requirement, the pipe
Body and support arm material of main part are nickel-base high-temperature alloy material, have good elevated temperature strength, can preferably be suitable for high speed and fly
Machine.
The increasing material manufacturing method of the multifunction atmospheric data probe increases material with high-temperature alloy material and makes L shape shell, packet
Include branch arm body, tube body and internal stagnation pressure chamber, static pressure chamber and two-way angle of attack chamber, the tube head and support arm for then manufacturing nickel material
Leading edge is welded on tube body front end and branch arm body leading edge corresponding position.
Tube head and support arm leading edge are welded as a whole by the tube body and branch arm body of melting welding and increasing material manufacturing.
The solution have the advantages that: multifunction atmospheric data probe of the present invention uses the integrally manufactured pipe of increases material manufacturing technology
Body, branch arm body and internal each gas circuit cavity, and it is integral with nickel-base material soldering, to form internal complicated bend gas
Road, realizes the multifunctional measuring of stagnation pressure, static pressure, the angle of attack and yaw angle, and effectively improves the dynamic response characteristic of Multi-functional probe
And elevated temperature strength, avoid the stress bending deformation being powered under heating work；And entirety manufacturing process is simple, and qualification rate is high,
Manufacturing cycle is short, is easy to minimize, and pneumatic consistency is good, and angle of attack yaw angle can be experienced to consistency and be increased to 0.2 °, phase
There is significant technological progress for the prior art.
Detailed description of the invention:
Fig. 1 is the appearance schematic diagram of multifunction atmospheric data probe of the present invention；
Fig. 2 is the inner air path cavity three dimensional structure diagram of multifunction atmospheric data probe of the present invention；
Fig. 3 is the inside heating circuit arrangement map of multifunction atmospheric data probe of the present invention,
Wherein, 1-L shape shaping shell, 2- support arm leading edge nickel material, the low RCS abnormity shape tube body of 3-, 4- tube head nickel material,
The upper angle of attack pressure port of 5- static pressure pressure port, 6- (lower angle of attack pressure port is over there), 7- stagnation pressure air inlet, 8- heat circuit.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
Please refer to Fig. 1 and Fig. 2, multifunction atmospheric data probe of the present invention generally L-shaped structure, by tube head, hollow
L shape monolithic case and heating circuit composition.The tube head is socketed on L shape shell, and offers pitot hole, and front end is provided with always
Atmosphere incoming flow is experienced for front in pressure hole.The L shape case surface offers the static pressure hole of gas circuit connection, independent to attack above and below
Corner apertures, has the impression function of four tunnel pressure altogether, and shaft design far from fuselage boundary-layer, reduces fuselage airflow influence as far as possible.It is more
Function atmosphere data pops one's head in monnolithic case as flat configuration design, has the resemblance of low RCS.
The tube body and support arm and internal stagnation pressure chamber, static pressure chamber and two-way angle of attack chamber are integrally formed.The tube head
And support arm nosing material meets anti-deicing performance requirement for nickel material to improve thermal conductivity.In addition, the tube body and support arm
Material of main part is nickel-base high-temperature alloy material, with realize increase material it is integrally manufactured, and be conducive to and front nickel material tube body and support arm leading edge
It is welded to connect, while can effectively improve the elevated temperature strength of pick-up, avoid pick-up in applied at elevated temperature often by slight
The problem of external force bending deformation damages.
The tube head is taper hole structure, is socketed on L shape shell.The L shape shell integrates traditional tube body and support arm
For an entirety, tube surfaces offer the static pressure hole of gas circuit connection, independent upper and lower angle of attack hole, and interior design is mutually indepedent
Stagnation pressure chamber, static pressure chamber and two-way angle of attack chamber, totally four tunnel pressure, wherein stagnation pressure chamber is located at tube body center, and connects with pitot hole
Logical, static pressure chamber is connected to upper and lower static pressure hole, and angle of attack chamber is respectively communicated with upper and lower angle of attack hole.
The static pressure chamber is connected to static pressure hole up and down, by the Hydrostatic Transfer Device of present position to sensor below.The angle of attack chamber
It is respectively communicated with angle of attack hole up and down, and mutually indepedent, for detecting the barometric pressure data of corresponding position.In addition, the static pressure
Chamber and angle of attack chamber are surround around stagnation pressure chamber to be arranged, and is mutually staggered, and keeps independent, and the free bend for realizing more gas circuit cavitys becomes
It changes and special-shaped gas circuit cavity design, solves that traditional pick-up shape cannot minimize, function synthesized is poor, gas circuit is narrow, dynamic
The problem of state response characteristic difference.
The static pressure chamber and angle of attack chamber in the junction cavity geometry of tube body and support arm with the transformation of support arm configurations, at abnormity
Flattening improves the accuracy of probe measurement data with the whole aeroperformance of optimization probe.
The increasing material manufacturing method that multifunction atmospheric data probe of the present invention is given below first uses high temperature since support arm
Alloy material increases material production branch arm body, tube body and internal stagnation pressure chamber, static pressure chamber and two-way angle of attack chamber, then by nickel material system
The tube head and support arm leading edge made are welding in tube body front end and branch arm body leading edge corresponding position, form overall structure.Utilize this
The integrally formed Multi-functional probe structure design of method breaches traditional processing technology, using new 3D printing technique,
Meet multichannel pressure inner air path transmitting and Multi-functional probe demand, solve pick-up inner cavity more gas path layouts,
The thin contradiction between dynamic response of pressure piping, solves between the elevated temperature strength demand and anti-deicing performance that pick-up encounters
Contradiction, improve manufacture qualification rate and product reliability.
Referring to Fig. 3, the tube body in include mutually independent stagnation pressure chamber, static pressure chamber, two-way angle of attack chamber and leakage hole,
Realize the multifunctional measuring of stagnation pressure, static pressure, the angle of attack and yaw angle.Wherein, stagnation pressure chamber is located at tube body center, connects with pitot hole
It is logical, it is internally provided with electric heater, is integrated between the electric heater and stagnation pressure cavity wall using vacuum brazing integral solder,
It is heated for popping one's head in, to meet anti-deicing requirement, and the pneumatic consistency of multi-functional pick-up can be better achieved, while is big
Reduce pick-up manufacturing process greatly, improves manufacture qualification rate and product reliability.
Claims (9)
1. a kind of multifunction atmospheric data probe, which is characterized in that generally L-shaped structure, it is whole outer by tube head, hollow L shape
Shell and heating circuit composition, the tube head is taper hole structure, is socketed on L shape monolithic case, and offer pitot hole, the L
Tube body and support arm are integrated into an entirety by shape shell, and surface offers the static pressure hole of gas circuit connection, the independent upper and lower angle of attack
Hole, the mutually independent stagnation pressure chamber of interior design, static pressure chamber and two-way angle of attack chamber, totally four tunnel pressure, wherein stagnation pressure chamber is located at pipe
Body center, and be connected to pitot hole, static pressure chamber is connected to upper and lower static pressure hole, and angle of attack chamber is respectively communicated with upper and lower angle of attack hole, and stagnation pressure
Gas circuit cavity arrangements anti-icing and deicing heats circuit.
2. multifunction atmospheric data probe according to claim 1, which is characterized in that the static pressure chamber and angle of attack chamber surround
Stagnation pressure chamber is mutually staggered around arrangement, keeps independent.
3. multifunction atmospheric data probe according to claim 1, which is characterized in that the tube body and support arm and inside are total
Pressure chamber, static pressure chamber and two-way angle of attack chamber are integrally formed, and automatically keep hermetic seal by whole Shell Manufacture.
4. multifunction atmospheric data probe according to claim 1, which is characterized in that the static pressure chamber and angle of attack chamber are in pipe
The junction cavity geometry abnormity flattening of body and support arm.
5. multifunction atmospheric data probe according to claim 1, which is characterized in that the intracavitary electricity that is provided with of the stagnation pressure adds
Hot device.
6. multifunction atmospheric data probe according to claim 1, which is characterized in that the electric heater and stagnation pressure are intracavitary
It is integrated between wall using vacuum brazing integral solder.
7. multifunction atmospheric data probe according to claim 1, which is characterized in that the tube head and support arm leading edge material
Material is nickel material, and the tube body and support arm material of main part are nickel-base high-temperature alloy material.
8. a kind of increasing material manufacturing method of any one of claim 1 to 7 multifunction atmospheric data probe, which is characterized in that
Since support arm, first increase material production branch arm body, tube body and internal stagnation pressure chamber, static pressure chamber and two-way with high-temperature alloy material
Then tube head and support arm leading edge that nickel material manufactures are welded on tube body front end and branch arm body leading edge corresponding position by angle of attack chamber.
9. the increasing material manufacturing method of multifunction atmospheric data probe according to claim 1, which is characterized in that tube head and branch
Arm leading edge is welded as a whole by the tube body and branch arm body of melting welding and increasing material manufacturing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811483882.6A CN109877314B (en) | 2018-12-05 | 2018-12-05 | Multifunctional atmospheric data probe and additive manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811483882.6A CN109877314B (en) | 2018-12-05 | 2018-12-05 | Multifunctional atmospheric data probe and additive manufacturing method |
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| CN109877314A true CN109877314A (en) | 2019-06-14 |
| CN109877314B CN109877314B (en) | 2021-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157759A (en) * | 2019-12-24 | 2020-05-15 | 太原航空仪表有限公司 | Fixed differential pressure type attack angle sensor and use method |
| CN113983172A (en) * | 2021-09-18 | 2022-01-28 | 太原航空仪表有限公司 | Rotary butt-joint type sealing device of L-shaped pressure receiver |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3318146A (en) * | 1966-02-14 | 1967-05-09 | Rosemount Eng Co Ltd | Pressure sensing instrument for aircraft |
| CN1052550A (en) * | 1989-12-15 | 1991-06-26 | 罗斯蒙德公司 | The inner structure of pneumatic detector |
| CN106248139A (en) * | 2016-07-29 | 2016-12-21 | 成都凯天电子股份有限公司 | Atmosphere parameter measurement is popped one's head in |
| CN107543649A (en) * | 2016-06-26 | 2018-01-05 | 成都凯天电子股份有限公司 | Hot gas deicing stagnation pressure pick-up |
| CN108362909A (en) * | 2018-01-12 | 2018-08-03 | 太原航空仪表有限公司 | A kind of Multi-functional probe of spherical head |
-
2018
- 2018-12-05 CN CN201811483882.6A patent/CN109877314B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3318146A (en) * | 1966-02-14 | 1967-05-09 | Rosemount Eng Co Ltd | Pressure sensing instrument for aircraft |
| CN1052550A (en) * | 1989-12-15 | 1991-06-26 | 罗斯蒙德公司 | The inner structure of pneumatic detector |
| CN107543649A (en) * | 2016-06-26 | 2018-01-05 | 成都凯天电子股份有限公司 | Hot gas deicing stagnation pressure pick-up |
| CN106248139A (en) * | 2016-07-29 | 2016-12-21 | 成都凯天电子股份有限公司 | Atmosphere parameter measurement is popped one's head in |
| CN108362909A (en) * | 2018-01-12 | 2018-08-03 | 太原航空仪表有限公司 | A kind of Multi-functional probe of spherical head |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157759A (en) * | 2019-12-24 | 2020-05-15 | 太原航空仪表有限公司 | Fixed differential pressure type attack angle sensor and use method |
| CN113983172A (en) * | 2021-09-18 | 2022-01-28 | 太原航空仪表有限公司 | Rotary butt-joint type sealing device of L-shaped pressure receiver |
| CN113983172B (en) * | 2021-09-18 | 2024-04-26 | 太原航空仪表有限公司 | Rotary butt-joint type sealing device of L-shaped pressure receiver |
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| CN109877314B (en) | 2021-11-23 |
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