CN107063565A - A kind of anti-icing cylindrical pressure probe - Google Patents
A kind of anti-icing cylindrical pressure probe Download PDFInfo
- Publication number
- CN107063565A CN107063565A CN201710204370.0A CN201710204370A CN107063565A CN 107063565 A CN107063565 A CN 107063565A CN 201710204370 A CN201710204370 A CN 201710204370A CN 107063565 A CN107063565 A CN 107063565A
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- CN
- China
- Prior art keywords
- probe
- pressure
- guiding pipe
- rod
- icing
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/26—Details or accessories
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
- G01M9/065—Measuring arrangements specially adapted for aerodynamic testing dealing with flow
Abstract
The invention discloses a kind of anti-icing cylindrical pressure probe, probe (1), probe rod (2), pressure guiding pipe (3) are included；The cylindricality end of probe can be single hole, diplopore, three holes and four pore structures；The probe (1) and probe rod (2) welding, pressure guiding pipe (3) is brazed together, and is set in probe rod (2)；Uniform electrical bar (5) around described one layer of Electric radiant Heating Film (4) of pressure guiding pipe (3) outer wrap or pressure guiding pipe (3).By setting heating film (4) or heating rod (5) in probe interior, to carry out effectively, timely heating to cylindrical pressure end of probe and the pressure guiding pipe of bar portion (3), realize the purpose that real-time accuracy controlling is carried out to cylindrical pressure probe temperature, it can effectively prevent cylindrical pressure probe from being frozen in icing tunnel experiment or HIGHER ALTITUDE TEST FACILITY experimental test and not influenceing to be tested flow field, it is ensured that the accuracy of measurement data.
Description
Technical field
The present invention relates to the anti-icing technical field of Engine Block Test, particularly a kind of anti-icing cylindrical pressure probe, energy of the present invention
It is effective to prevent cylindrical pressure probe from freezing, such as prevent single hole, diplopore, three holes and four hole post shape pressure probes from being tested in icing tunnel
Frozen in test and in HIGHER ALTITUDE TEST FACILITY experiment, and do not influence tested flow field, it is ensured that the accuracy of measurement data.
Background technology
When aircraft flight is under the conditions of icing meteorology, icing phenomenon occurs for the windward side that super-cooling waterdrop can strike aircraft,
Engine intake and cold air duct air inlet freeze and amount of air entrainment can be caused not enough, if ice sheet comes off, can damage the portion in air inlet
Part, the performance to aircraft is adversely affected.Icing mnncl tcst is to carry out aircraft and part icing, anti-icing technique study most
Basic means.HIGHER ALTITUDE TEST FACILITY is in the skyborne flight condition of ground simulation aircraft engine and environment, to engine complete machine and portion
Part carries out the system equipment of altitude simulation test, is to develop advanced aero engine and its indispensable means of improvement remodeling.
Be usually used in measure flow field parameter cylindrical pressure probe, such as single hole, diplopore, three holes and four hole probes, carry out icing experiment or
During altitude test, the possibility frozen under some operating modes is very big.Pressure probe will change probe geometry once freezing,
Cause probe correction characteristic to fail, result even in probe interior blocking, pressure experience hole, which can not correctly be experienced, carrys out stream information, sternly
Severe one, which directly results in probe, can not complete work, and difficulty is brought to measurement.In order to reduce the influence of stream field, it is ensured that the standard of data
True property, probe stock size is smaller, and difficulty is brought to the anti-icing work of probe.
The content of the invention
The present invention solves the technical problem of：A kind of anti-icing cylindrical pressure probe is provided, can solve the problem that and tied
The problem of cylindricality probe freezes when ice is tested.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of anti-icing cylindrical pressure probe, it is characterised in that：Include probe (1), probe rod (2), pressure guiding pipe (3)；Institute
Anti-icing cylindrical pressure probe is stated for column structure, head pressure sensing hole can be single hole, diplopore, three holes and four pore structures；The probe
Head (1) and probe rod (2) welding, pressure guiding pipe (3) are brazed together and are set in probe rod (2)；The pressure guiding pipe (3) is outside
One layer of Electric radiant Heating Film (4) or the uniform electrical bar of pressure guiding pipe (3) surrounding (5) wrap up in portion, come anti-icing to improve probe temperature.
Further, in cylindrical pressure probe interior, pressure guiding pipe (3) is set with, the axis of pressure guiding pipe (3) is parallel, surrounds
The equiangularly spaced axial symmetry arrangement of probe rod (2) axis, and be brazed together；Probe (1) is solid construction, axis and probe
Bar (2) axis is overlapped, and inside is provided with pressure-sensitive duct, and pressure guiding pipe (3) top insertion probe (1) is internal, is welded with pressure-sensitive duct.
Further, the Electric radiant Heating Film (4) fits with pressure guiding pipe (3) contacts, and pressure guiding pipe (3) periphery is interior with probe rod (2)
Wall is fitted；An annulus conduit is opened around pressure guiding pipe inside probe (1), the Electric radiant Heating Film (4) is stretched into annulus conduit
Portion comes anti-icing to improve end of probe temperature.
Further, electrical bar (5), axis and pressure guiding pipe (3) axis of electrical bar (5) are evenly equipped with around pressure guiding pipe (3)
It is arranged in parallel；Pressure guiding pipe (3) is set with the staggered arrangement of electrical bar (5), each electrical bar (5) and adjacent pressure guiding pipe (3) phase
Laminating contact；Respective numbers circular hole, the electrical bar (5) are opened according to electrical bar (5) number around pressure guiding pipe inside probe (1)
Stretch into next anti-icing to improve end of probe temperature inside circular hole.
Further, 30 ° to 60 ° of probe (1) both sides pressure sensing hole and center pressure-sensitive orifice angle interval, cylindrical pressure probe
Probe rod external diameter is 4~10mm, and the diameter of heating rod (5) is less than or equal to 3mm.
Further, probe rod (2) external diameter of cylindrical pressure probe is 4~10mm, and heating film (4) thickness itself is less than or equal to
0.4mm。
Further, the heating film (4) or heating rod (5) tail wiring pass probe rod (2), and the terminal portions passed are set
There is the plug (8) being connected with power supply.
Further, wiring is filled provided with temperature control between the heating film (4) or heating rod (5) afterbody and plug (8)
Put (6), transformer (7)；The temperature control equipment (6) is controlled to transformer (7), to adjust heating film (4) or heating
The input voltage of rod (5) and then make heating film (4) or heating rod (5) that suitable steady temperature can be kept according to experiment condition.
In the present invention, by above-mentioned setting, so that heating rod (5) or heating film (4) directly are placed in into cylindrical pressure probe
Internal and end of probe and fixation, are equipped with high accuracy temperature control device (6), transformer (7) and power supply, according to operating mode needs
It is appropriate to adjust temperature to reach anti-icing purpose, it is ensured that the accuracy of probe measurement.
The beneficial effects of the invention are as follows：
In the present invention, by setting heating rod (5) or heating film (4) in cylindrical pressure probe interior, with to cylindrical pressure
Probe rod (2) and end of probe timely, effectively heat, and are realized accurate in real time to the progress of cylindrical pressure probe temperature
The purpose of regulation and control, and then can effectively prevent cylindrical pressure probe from freezing in icing tunnel is tested and altitude test is tested to ask
Topic；Simultaneously as heating film (4) is wrapped in into pressure guiding pipe (3) periphery or heating rod (5) plug hole is installed on into pressure guiding pipe (3)
Between, make after heating film (4) or heating rod (5) be installed in cylindrical pressure probe, not to the probe rod of cylindrical pressure probe
(2) inner space results in blockage influence, will not produce influence to cylindrical pressure probe interior air channel, not interfere with cylindrical pressure more
The tested flow field of probe, it is ensured that the accuracy of data measured by cylindrical pressure probe.
Meanwhile, the present invention is simple in construction, and effect significantly, is suitably promoted the use of.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of anti-icing cylindrical pressure probe embodiments one of the present invention；
Fig. 2 is the A-A faces enlarged section in a kind of anti-icing cylindrical pressure probe embodiments one of the present invention in Fig. 1.
Fig. 3 is the end of probe profile of embodiment one in Fig. 1；
Fig. 4 is a kind of schematic diagram of anti-icing cylindrical pressure probe embodiments two of the present invention；
Fig. 5 is the B-B faces enlarged section in a kind of anti-icing cylindrical pressure probe embodiments two of the present invention in Fig. 4.
Fig. 6 is the end of probe profile of embodiment two in Fig. 4；
Fig. 7 is a kind of head construction schematic diagram of anti-icing cylindrical pressure probe institute containing type of the present invention；
Wherein：1st, probe；2nd, probe rod；3rd, pressure guiding pipe；4th, heating film；5th, heating rod；6th, temperature controller；7th, transformation
Device；8th, plug.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples, so that advantages and features of the invention can be more easy to
In being readily appreciated by one skilled in the art, apparent clearly defined so as to be made to protection scope of the present invention.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, a kind of anti-icing cylindrical pressure probe is described in the present embodiment, it includes probe
(1), probe rod (2), pressure guiding pipe (3)；The anti-icing cylindrical pressure probe is column structure, and head pressure sensing hole can be single hole, double
Hole, three holes and four pore structures；The probe rod (2) is hollow loop bar, and probe tips are provided with probe (1), the probe (1)
Mutually welded with probe rod (2), probe (1) blocks probe rod (2) hollow space；The middle suit pressure guiding pipe (3) of probe rod, respectively
Pressure guiding pipe (3) is brazed together, and is extended respectively at the equal line direction of axis of probe rod (2), and the end of each pressure guiding pipe (3)
Insert in the pressure-sensitive duct of probe (1) and weld together.
In the present embodiment, probe (1) is solid construction, and probe (1) axis is overlapped with probe rod (2) axis, internal
It is provided with pressure-sensitive duct；An annulus conduit is opened around pressure guiding pipe, the Electric radiant Heating Film (4) is stretched into inside annulus conduit to improve probe
Portion's temperature is come anti-icing.
In the present embodiment, described one layer of Electric radiant Heating Film (4) of pressure guiding pipe (3) outer wrap, while the Electric radiant Heating Film (4) stretches into spy
Inside syringe needle (1) annulus conduit, the head and bar portion of cylindrical pressure probe are heated, come anti-icing to improve temperature.
By setting heating film (4) in cylindrical pressure probe interior, with to the probe (1) and pressure guiding pipe in cylindrical probe
(3) carry out effectively, timely heating, realize the purpose that real-time accuracy controlling is carried out to cylindrical pressure probe temperature, Jin Erneng
It is effective to prevent cylindrical pressure probe ice formation issues in icing tunnel is tested or altitude test is tested.
In the present embodiment, in cylindrical pressure probe interior, respective counts are set with according to selected cylindrical pressure probe structure
Measure pressure guiding pipe (3)；The axis of pressure guiding pipe (3) is parallel, around the equiangularly spaced symmetry arrangement of probe rod (2) axis.
By the way that heating film (4) is wrapped in into pressure guiding pipe (3) periphery, make heating film (4) be loaded on cylindrical pressure probe in after, and
Do not resulted in blockage influence on the probe rod inner space of cylindrical pressure probe, and shadow will not be produced to cylindrical pressure probe interior air channel
Sound, the tested flow field for not interfering with cylindrical pressure probe more, it is ensured that the accuracy of data measured by cylindrical pressure probe.
In the present embodiment, 30 ° to 60 ° of probe (1) both sides pressure sensing hole and center pressure-sensitive orifice angle interval, cylindrical pressure are visited
The probe rod external diameter of pin is 4~10mm, and heating film (4) thickness itself is less than or equal to 0.4mm.By above-mentioned setting, to add
Hotting mask (4) fits with the pressure guiding pipe (3) in end of probe and bar and contacted, and make it that heating film (4) can't be to probe rod (2)
The fluid of inner space produces interference effect；So that heating film (4) is installed on probe interior so that the heat of heating film (4) is simultaneously
It will not conduct into externally measured flow field and reduce the efficiency of heating surface.
Embodiment two
As shown in Figure 4, Figure 5 and Figure 6, a kind of anti-icing cylindrical pressure probe is described in the present embodiment, it includes probe
(1), probe rod (2), pressure guiding pipe (3)；The anti-icing cylindrical pressure probe is column structure, and head pressure sensing hole can be single hole, double
Hole, three holes and four pore structures；The probe rod (2) is hollow loop bar, and probe tips are provided with probe (1), the probe (1)
Mutually welded with probe rod (2), probe (1) blocks probe rod (2) hollow space；The middle suit pressure guiding pipe (3) of probe rod, respectively
Pressure guiding pipe (3) is brazed together, and is extended respectively at the equal line direction of axis of probe rod (2), and the end of each pressure guiding pipe (3)
Insert in the pressure-sensitive duct of probe (1) and weld together.
In the present embodiment, electrical bar (5), axis and the pressure guiding pipe (3) of electrical bar (5) are evenly equipped with around pressure guiding pipe (3)
Diameter parallel is set；Pressure guiding pipe (3) is set with the staggered arrangement of electrical bar (5), each electrical bar (5) and adjacent pressure guiding pipe
(3) fit contact；Respective numbers circular hole, the electric heating are opened according to electrical bar (5) number around pressure guiding pipe inside probe (1)
Rod (5) stretches into next anti-icing to improve end of probe temperature inside circular hole.
By setting heating rod (5) in cylindrical pressure end of probe and bar portion, with to the pressure guiding pipe in cylindrical pressure probe
(3) carry out effectively, timely heating, can effectively prevent cylindrical pressure probe ice formation issues in icing tunnel experiment test.
In the present embodiment, in cylindrical pressure probe interior, the axis of pressure guiding pipe (3) is parallel, around probe rod (2) axis
Angle axial symmetry is arranged at equal intervals；Pressure guiding pipe (3) is set with the staggered arrangement of electrical bar (5), and each electrical bar (5) is adjacent two
Plug hole is installed between pressure guiding pipe (3), is fitted and contact with adjacent pressure guiding pipe (3), anti-icing to improve probe temperature.
In the present embodiment, 30 ° to 60 ° of probe (1) both sides pressure sensing hole and center pressure-sensitive orifice angle interval, cylindrical pressure are visited
Probe rod (2) external diameter of pin is 4~10mm, and the diameter of heating rod (5) is less than or equal to 3mm.
By above-mentioned setting, heating rod (5) plug hole is installed between two adjacent pressure guiding pipes (3), makes heating rod (5) install
After in cylindrical pressure probe, do not result in blockage influence on the inner space of cylindrical pressure probe, in cylindrical pressure probe
Portion air channel will not produce influence, not interfere with tested flow field around cylindrical pressure probe more, it is ensured that cylindrical pressure probe institute
The accuracy of measurement data.And causing heating rod (5) is installed on probe rod (2) internal so that the heat of heating rod (5) can't
Conduction reduces the efficiency of heating surface into externally measured flow field.
Embodiment three
The present embodiment is based on any in above-described embodiment one and two, also with following technical characteristic：The heating film (4)
Or heating rod (5) tail wiring passes probe rod (2), the terminal portions passed are provided with the plug (8) being connected with power supply.
By above-mentioned setting, to cause the heating film (4) or heating rod (5) of cylindrical pressure probe through being provided with plug (8)
Wiring is connected with outside set power supply, realizes the mesh for providing heating film (4) or heating rod (5) and heating power supply
's.
In the present embodiment, in order to improve the accuracy of cylindrical pressure probe computer heating control, in the heating film (4) or heating
Wiring is provided with temperature control equipment (6), transformer (7) between rod (5) afterbody and plug (8)；The temperature control equipment (6)
Transformer (7) is controlled, with adjust the input voltage of heating film (4) or heating rod (5) so that make heating film (4) or add
Hot pin (5) can keep suitable steady temperature according to experiment condition, reached and carried out automatic precision to the temperature of cylindrical pressure probe
The purpose that really manipulation, constant temperature work.
Claims (8)
1. a kind of anti-icing cylindrical pressure probe, it is characterised in that：Include probe (1), probe rod (2) and pressure guiding pipe (3)；
The anti-icing cylindrical pressure probe is column structure, and pressure-sensitive pore structure in head can be single hole, diplopore, three holes and four holes knot
Structure；
The probe (1) and probe rod (2) welding, pressure guiding pipe (3) are brazed together and are set in probe rod (2)；
Described one layer of Electric radiant Heating Film (4) of pressure guiding pipe (3) outer wrap or the uniform electrical bar of pressure guiding pipe (3) surrounding (5), to improve post
Shape probe temperature is come anti-icing.
2. a kind of anti-icing cylindrical pressure probe according to claim 1, it is characterised in that：In cylindrical pressure probe interior,
Pressure guiding pipe (3) is set with, the axis of pressure guiding pipe (3) is parallel, around the equiangularly spaced axial symmetry arrangement of probe rod (2) axis,
And be brazed together；Probe (1) is solid construction, and axis is overlapped with probe rod (2) axis, and inside is provided with pressure-sensitive duct, draws
Pressure pipe (3) top insertion probe (1) is internal, is welded with pressure-sensitive duct.
3. a kind of anti-icing cylindrical pressure probe according to claim 2, it is characterised in that：The Electric radiant Heating Film (4) and impulse
Pipe (3) is fitted contact, and pressure guiding pipe (3) periphery is fitted with probe rod (2) inwall；Impulse is surrounded inside probe (1)
Guan Kaiyi annulus conduits, the Electric radiant Heating Film (4) is stretched into next anti-icing to improve end of probe temperature inside annulus conduit.
4. a kind of anti-icing cylindrical pressure probe according to claim 2, it is characterised in that：It is uniform around pressure guiding pipe (3)
There is electrical bar (5), axis and pressure guiding pipe (3) diameter parallel of electrical bar (5) are set；Pressure guiding pipe (3) and electrical bar (5) are staggered
Arrangement is set, and each electrical bar (5) fits with adjacent pressure guiding pipe (3) and contacted；Inside probe (1) around pressure guiding pipe according to
Electrical bar (5) number opens respective numbers circular hole, and the electrical bar (5) is stretched into inside circular hole is prevented with improving end of probe temperature
Ice.
5. according to a kind of any described anti-icing cylindrical pressure probe of claims 1 to 3, it is characterised in that：Probe (1) both sides
30 ° to 60 ° of pressure sensing hole and center pressure-sensitive orifice angle interval, the probe rod external diameter of cylindrical pressure probe is 4~10mm, heating rod
(5) diameter is less than or equal to 3mm.
6. a kind of anti-icing cylindrical pressure probe according to claim 1 or 2 or 4 or 5, it is characterised in that：Cylindrical pressure is visited
Probe rod (2) external diameter of pin is 4~10mm, and heating film (4) thickness itself is less than or equal to 0.4mm.
7. according to a kind of any described anti-icing cylindrical pressure probe of claim 1 to 5, it is characterised in that：The heating film (4)
Or heating rod (5) tail wiring passes probe rod (2), the terminal portions passed are provided with the plug (8) being connected with power supply.
8. a kind of anti-icing cylindrical pressure probe according to claim 9, it is characterised in that：The heating film (4) or heating
Wiring is provided with temperature control equipment (6), transformer (7) between rod (5) afterbody and plug (8)；The temperature control equipment (6)
Transformer (7) is controlled, with adjust the input voltage of heating film (4) or heating rod (5) so that make heating film (4) or add
Hot pin (5) can keep suitable steady temperature according to experiment condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204370.0A CN107063565B (en) | 2017-03-31 | 2017-03-31 | Anti-icing cylindricality pressure probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204370.0A CN107063565B (en) | 2017-03-31 | 2017-03-31 | Anti-icing cylindricality pressure probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107063565A true CN107063565A (en) | 2017-08-18 |
| CN107063565B CN107063565B (en) | 2020-01-07 |
Family
ID=59602545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710204370.0A Active CN107063565B (en) | 2017-03-31 | 2017-03-31 | Anti-icing cylindricality pressure probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107063565B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790958A (en) * | 2023-02-09 | 2023-03-14 | 中国航发四川燃气涡轮研究院 | Electric heating anti-icing pressure probe for high-altitude simulation test |
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2017
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| WO2011148094A1 (en) * | 2010-05-25 | 2011-12-01 | Turbomeca | Device for multipoint acquisition/distribution of fluid, in particular probe for tapping pressure in a turbomachine air inlet |
| CN202582868U (en) * | 2012-05-11 | 2012-12-05 | 西北工业大学 | Testing device for measuring wing type wake flow field |
| CN203940946U (en) * | 2014-07-04 | 2014-11-12 | 北京航空航天大学 | A kind of five-hole probe for full flow directional detection |
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| CN115790958A (en) * | 2023-02-09 | 2023-03-14 | 中国航发四川燃气涡轮研究院 | Electric heating anti-icing pressure probe for high-altitude simulation test |
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| Publication number | Publication date |
|---|---|
| CN107063565B (en) | 2020-01-07 |
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