CN209525098U - A kind of leaf static pressure detector probe and pressure-measuring pipe - Google Patents
A kind of leaf static pressure detector probe and pressure-measuring pipe Download PDFInfo
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- CN209525098U CN209525098U CN201822105901.3U CN201822105901U CN209525098U CN 209525098 U CN209525098 U CN 209525098U CN 201822105901 U CN201822105901 U CN 201822105901U CN 209525098 U CN209525098 U CN 209525098U
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- pressure
- measuring pipe
- static pressure
- detector probe
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Abstract
This application discloses a kind of leaf static pressure detector probe and pressure-measuring pipes.The leaf static pressure detector probe includes: pressure-measuring pipe, and the pressure-measuring pipe is closed at one end, and multiple static pressure test holes are provided on the outer surface of the pressure-measuring pipe, are connected to inside the static pressure test hole and the pressure-measuring pipe；The distance of the closed one end of each static pressure test hole to the pressure-measuring pipe is 2 millimeters to 4 millimeters, and the distance of the closed one end of each static pressure test hole to the pressure-measuring pipe is identical；Stator blade, the stator blade are connect with the pressure-measuring pipe, and the stator blade has fairlead, and the other end opposite with closed one end of the pressure-measuring pipe passes through the stator blade and stretch out from the fairlead.
Description
Technical field
This application involves aero-engine technology fields, more particularly to a kind of leaf static pressure detector probe and pressure-measuring pipe.
Background technique
In terms of static pressure test, present engine overall test is all made of in compressor wall surface arrangement wall static pressure measuring point
Method realizes the measurement of static pressure between compressor stage, and is similar to runner static pressure and carries out performance calculating；If engine runner
In the case that structure space allows, directlys adopt extrapolation static probe and carry out compressor passage static pressure test, this test mode
It is larger to test runner blocking, engine performance is influenced, and certain threat is constituted safely to engine test.
Pressure-measuring pipe, which is fixed on blade, with tabletting will affect gas flow, and safety is not high, and tabletting uses the side of spot welding
Formula is connected on blade, is easy to fall in the case where air-flow is bigger, is influenced safety.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Utility model content
The application's is designed to provide a kind of leaf static pressure detector probe to overcome or at least mitigate in the prior art
At least one drawbacks described above.
To achieve the above object, the application provides a kind of leaf static pressure detector probe, and the leaf static pressure detector probe includes:
Pressure-measuring pipe, the pressure-measuring pipe is closed at one end, and multiple static pressure test holes, institute are provided on the outer surface of the pressure-measuring pipe
It states and is connected to inside static pressure test hole and the pressure-measuring pipe；Each static pressure test hole to closed one end of the pressure-measuring pipe
Distance is 2 millimeters to 4 millimeters, and the distance of the closed one end of each static pressure test hole to the pressure-measuring pipe is identical；
Stator blade, the stator blade are connect with the pressure-measuring pipe, and the stator blade has fairlead, the survey pressure
The other end opposite with closed one end of pipe passes through the stator blade and stretches out from the fairlead.
Optionally, the diameter of the pressure-measuring pipe is less than 1.5mm.
Optionally, the periphery sanding and polishing in the static pressure test hole.
Optionally, it is welded between the pressure-measuring pipe 1 and stator blade along pressure-measuring pipe two sides.
Optionally, sealant is provided in the fairlead.
Optionally, the quantity in the static pressure test hole is 3, and every two adjacent static pressure test hole is in the pressure-measuring pipe
Circumferential direction distance be equal to one third pressure-measuring pipe perimeter.
Optionally, the aperture in the static pressure test hole is less than Φ 0.5.
Optionally, the leaf static pressure detector probe further comprises that pressure connects mouth, the pressure-measuring pipe from the fairlead
One end of stretching connects mouth with the pressure and connect.
Optionally, one end from fairlead stretching of the pressure-measuring pipe connects mouth welding with the pressure.
Present invention also provides a kind of pressure-measuring pipe, the pressure-measuring pipe is pressure-measuring pipe as described above.
The leaf static pressure detector probe of the application can eliminate there are barometric gradient flow field wall static pressure test limitation.It surveys
It is fixed by the way of welding between pressure pipe and stator blade, greatly reduces empirical risk.Static pressure test hole and survey are pressed
The distance of tube end eliminates pressure-measuring pipe end to the shadow of static pressure test depending on tested air-flow Mach number size to the maximum extent
It rings.Pressure-measuring pipe side can sense that tested air-flow is quiet under different angle along different angularly three static pressure test holes of processing
Pressure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to the leaf static pressure detector probe of the application first embodiment.
Fig. 2 is the static pressure test hole layout drawing of the pressure-measuring pipe in leaf static pressure detector probe shown in FIG. 1.
Appended drawing reference:
1- pressure-measuring pipe；2- stator blade；3- pressure connects mouth；4- static pressure test hole.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
Fig. 1 is the structural schematic diagram according to the leaf static pressure detector probe of the application first embodiment.
Fig. 2 is the static pressure test hole layout drawing of the pressure-measuring pipe in leaf static pressure detector probe shown in FIG. 1.
Leaf static pressure detector probe as shown in Figures 1 and 2 includes pressure-measuring pipe 1 and stator blade 2,1 one end seal of pressure-measuring pipe
It closes, multiple static pressure test holes 4 is provided on the outer surface of pressure-measuring pipe 1, are connected to inside static pressure test hole 4 and pressure-measuring pipe 1；Each
The distance of static pressure test hole 4 to closed one end of pressure-measuring pipe 1 is 2 millimeters to 4 millimeters, and each static pressure test hole 4 to survey is pressed
The distance of closed one end of pipe is identical；Stator blade 2 is connect with pressure-measuring pipe 1, and stator blade 2 has fairlead, pressure-measuring pipe
The other end opposite with closed one end passes through stator blade 2 and stretches out from fairlead.
In the present embodiment, the diameter of pressure-measuring pipe 1 is less than 1.5mm.
In the present embodiment, the periphery sanding and polishing in static pressure test hole 4.
In the present embodiment, it is welded between pressure-measuring pipe 1 and stator blade 2 along 1 two sides of pressure-measuring pipe.
In the present embodiment, sealant is provided in fairlead.
In the present embodiment, the quantity in static pressure test hole 4 is 3, and every two adjacent static pressure test hole is in pressure-measuring pipe
Circumferential direction distance be equal to one third pressure-measuring pipe perimeter.
In the present embodiment, the aperture in static pressure test hole 4 is less than Φ 0.5.
In the present embodiment, leaf static pressure detector probe further comprises that pressure connects mouth 3, the pressure-measuring pipe 1 from fairlead
One end of stretching connects mouth 3 with pressure and connect.
In the present embodiment, one end from fairlead stretching of pressure-measuring pipe 1 connects mouth 3 with pressure and welds.
Present invention also provides a kind of pressure-measuring pipe, the pressure-measuring pipe is pressure-measuring pipe as described above.
The leaf static pressure detector probe of the application can eliminate there are barometric gradient flow field wall static pressure test limitation.It surveys
It is fixed by the way of welding between pressure pipe and stator blade, greatly reduces empirical risk.Static pressure test hole and survey are pressed
The distance of tube end eliminates pressure-measuring pipe end to the shadow of static pressure test depending on tested air-flow Mach number size to the maximum extent
It rings.Pressure-measuring pipe side can sense that tested air-flow is quiet under different angle along different angularly three static pressure test holes of processing
Pressure.
Finally it is noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations.To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the application, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (10)
1. a kind of leaf static pressure detector probe, which is characterized in that the leaf static pressure detector probe includes:
Pressure-measuring pipe (1), the pressure-measuring pipe (1) is closed at one end, is provided with multiple static pressure tests on the outer surface of the pressure-measuring pipe (1)
It is connected to inside hole (4), the static pressure test hole (4) and the pressure-measuring pipe (1)；The extremely survey of each static pressure test hole (4)
The distance of closed one end of pressure pipe (1) is 2 millimeters to 4 millimeters, and each static pressure test hole (4) extremely pressure-measuring pipe
The distance of closed one end is identical；
Stator blade (2), the stator blade (2) connect with the pressure-measuring pipe (1), and the stator blade (2) has fairlead,
The other end opposite with closed one end of the pressure-measuring pipe (1) passes through the stator blade (2) and stretches out from the fairlead.
2. leaf static pressure detector probe as described in claim 1, which is characterized in that the diameter of the pressure-measuring pipe (1) is less than
1.5mm。
3. leaf static pressure detector probe as claimed in claim 2, which is characterized in that polish on the periphery of the static pressure test hole (4)
Polishing.
4. leaf static pressure detector probe as claimed in claim 3, which is characterized in that the pressure-measuring pipe (1) and stator blade (2) it
Between welded along pressure-measuring pipe (1) two sides.
5. leaf static pressure detector probe as claimed in claim 4, which is characterized in that be provided with sealant in the fairlead.
6. leaf static pressure detector probe as claimed in claim 5, which is characterized in that the quantity of the static pressure test hole (4) is 3
It is a, and the distance of circumferential direction of the every two adjacent static pressure test hole in the pressure-measuring pipe is equal to the pressure-measuring pipe of one third
Perimeter.
7. leaf static pressure detector probe as claimed in claim 6, which is characterized in that the aperture of the static pressure test hole (4) is less than
Φ0.5。
8. leaf static pressure detector probe as described in claim 1, which is characterized in that the leaf static pressure detector probe further comprises
Pressure connects mouth (3), and one end from fairlead stretching of the pressure-measuring pipe (1) connects mouth (3) with the pressure and connect.
9. leaf static pressure detector probe as claimed in claim 8, which is characterized in that the pressure-measuring pipe (1) from the fairlead
One end of stretching and the pressure connect mouth (3) welding.
10. a kind of pressure-measuring pipe, which is characterized in that the pressure-measuring pipe is to survey pressure as in one of claimed in any of claims 1 to 9
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105901.3U CN209525098U (en) | 2018-12-14 | 2018-12-14 | A kind of leaf static pressure detector probe and pressure-measuring pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105901.3U CN209525098U (en) | 2018-12-14 | 2018-12-14 | A kind of leaf static pressure detector probe and pressure-measuring pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525098U true CN209525098U (en) | 2019-10-22 |
Family
ID=68227167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822105901.3U Active CN209525098U (en) | 2018-12-14 | 2018-12-14 | A kind of leaf static pressure detector probe and pressure-measuring pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525098U (en) |
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2018
- 2018-12-14 CN CN201822105901.3U patent/CN209525098U/en active Active
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