CN106989894B - A kind of anti-icing five-hole probe - Google Patents
A kind of anti-icing five-hole probe Download PDFInfo
- Publication number
- CN106989894B CN106989894B CN201710187241.5A CN201710187241A CN106989894B CN 106989894 B CN106989894 B CN 106989894B CN 201710187241 A CN201710187241 A CN 201710187241A CN 106989894 B CN106989894 B CN 106989894B
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- probe
- pressure guiding
- rod
- hole
- guiding pipe
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- 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
Abstract
A kind of anti-icing five-hole probe includes probe (1), probe rod (2), pressure guiding pipe (3)；The probe (1) and probe rod (2) welding, five pressure guiding pipes (3) are brazed together, and are set in probe rod (2)；One layer of Electric radiant Heating Film (4) of package or pressure guiding pipe (3) surrounding are evenly distributed with four electrical bars (5) outside the pressure guiding pipe (3), next anti-icing to improve probe temperature.By the way that heating film (4) or heating rod (5) are arranged inside five-hole probe, effectively, timely heat to the pressure guiding pipe (3) in five-hole probe, realize the purpose that real-time accuracy controlling is carried out to five-hole probe temperature, it can effectively prevent five-hole probe from freezing in icing tunnel experiment test and not influence tested flow field, guarantee the accuracy of measurement data.
Description
Technical field
The present invention relates to Engine Block Test anti-icing technology field, especially a kind of anti-icing five-hole probe, the present invention can be effective
Prevent five-hole probe from freezing in icing tunnel experiment test and do not influence tested flow field, to guarantee the accuracy of measurement data.
Background technique
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 the icing of cold air duct air inlet will lead to amount of air entrainment deficiency, if ice sheet falls off, can damage the portion in air inlet
Part adversely affects the performance of aircraft.Icing mnncl tcst is to carry out aircraft and component icing, anti-icing method research most
Basic means.It is usually used in measuring the five-hole probe of three-dimensional flow field, when freeze experiment, a possibility that icing is very big.Five
Hole needle will change probe geometry once freezing, and probe correction characteristic is caused to fail, and result even in probe interior blocking,
Pressure experience hole, which cannot correctly be experienced, carrys out stream information, and serious person directly results in probe and is unable to complete work, brings difficulty to measurement.
In order to reduce the influence of stream field, guarantee the accuracy of data, five-hole probe stock size is smaller, comes to the anti-icing work belt of probe
It is difficult.
Summary of the invention
The present invention solves the technical problem of: a kind of anti-icing five-hole probe is provided, is able to solve and freeze in fact
The problem of five-hole probe freezes when testing.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of anti-icing five-hole probe, which is characterized in that include probe (1), probe rod (2), pressure guiding pipe (3)；The spy
Syringe needle (1) and probe rod (2) welding, five pressure guiding pipes (3) are brazed together and are set in probe rod (2)；The pressure guiding pipe
(3) one layer of Electric radiant Heating Film (4) of external package or pressure guiding pipe (5) surrounding are evenly distributed with four electrical bars (5), are prevented with improving probe temperature
Ice.
Further, inside five-hole probe, five pressure guiding pipes (3) are set with；The axis of five pressure guiding pipes (3) is parallel；
One is coaxially disposed with probe rod (2) in five pressure guiding pipes (3), and another four rhizosphere is equiangularly spaced symmetrical around probe rod (2) axis
Arrangement.
Further, outer Thursday root pressure guiding pipe (3) is fitted with probe rod (2) inner wall, is bonded on probe rod (2) inner wall
There is one layer of Electric radiant Heating Film (4), the Electric radiant Heating Film (4) fits with pressure guiding pipe (3) to be contacted, next anti-icing to improve probe temperature.
Further, center pressure guiding pipe (3) is uniformly distributed on peripheries with four electrical bars (5), the axis and pressure guiding pipe of electrical bar (5)
(3) axis is arranged in parallel；Periphery pressure guiding pipe (3) and electrical bar (5) staggered arrangement are arranged, each electrical bar (5) with it is adjacent
Pressure guiding pipe (3) fits contact, with improve probe temperature come it is anti-icing.
Further, each electrical bar (5), which fits with center pressure guiding pipe (3), contacts, each electrical bar (5) and left and right sides
Two adjacent periphery pressure guiding pipes (3) fit contact respectively.
Further, probe rod (2) outer diameter of five-hole probe is 4~10mm, and the diameter of heating rod (5) is less than or equal to 3mm.
Further, probe rod (2) outer diameter of five-hole probe is 4~10mm, and heating film (4) thickness itself is less than or equal to
0.4mm。
Further, heating rod (5) is evenly arranged on pressure guiding pipe (3) surrounding in probe rod (2), adjacent two pressure guiding pipes (3) it
Between plug hole install.
Further, the heating film (4) or heating rod (5) tail wiring are pierced by probe rod (2), and the terminal portions being pierced by are set
There is the plug (8) being connected with power supply.
Further, wiring is equipped with temperature control dress between the heating film (4) or heating rod (5) tail portion and plug (8)
Set (6), transformer (7)；The temperature control equipment (6) controls transformer (7), to adjust heating film (4) or heating
The input voltage of stick (5) enables heating film (4) or heating rod (5) that can keep suitable steady temperature according to experiment condition in turn.
In the present invention, by above-mentioned setting, directly heating rod (5) or heating film (4) to be placed in inside five-hole probe
And it is fixed, it is equipped with high accuracy temperature control device (6), transformer (7) and power supply, needs appropriate adjusting temperature to reach according to operating condition
To anti-icing purpose, guarantee the accuracy of five-hole probe measurement.
The beneficial effects of the present invention are:
In the present invention, by the way that heating rod (5) or heating film (4) are arranged inside five-hole probe, in five-hole probe
Pressure guiding pipe (3) effectively, timely heat, and realizes the purpose that real-time accuracy controlling is carried out to five-hole probe temperature, in turn
Five-hole probe ice formation issues in icing tunnel experiment test can effectively be prevented；Simultaneously as heating film (4) is wrapped in impulse
It manages (3) periphery or heating rod (5) plug hole is installed between pressure guiding pipe (3), heating film (4) or heating rod (5) is enabled to be installed on
After in five-hole probe, do not result in blockage influence on the probe rod of five-hole probe (2) inner space, to five-hole probe inside wind
Road will not have an impact, more will not influence the tested flow field of five-hole probe, ensure that the accuracy of data measured by five-hole probe.
Meanwhile the configuration of the present invention is simple, significant effect, it is suitable for promoting the use of.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of anti-icing five-hole probe in a kind of anti-icing five-hole probe embodiment one of the present invention；
Fig. 2 is the face the A-A enlarged section of anti-icing five-hole probe in a kind of anti-icing five-hole probe implementation example figure 1 of the present invention；
Fig. 3 is a kind of schematic cross-sectional view of anti-icing another embodiment of five-hole probe of the present invention；
Fig. 4 is the face the B-B enlarged section of anti-icing five-hole probe in a kind of anti-icing five-hole probe implementation example figure 3 of the present invention.
Wherein: 1, probe；2, probe rod；3, pressure guiding pipe；4, heating film；5, heating rod；6, temperature controller；7, transformation
Device；8, plug.
Specific 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 easier to
In being readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment one
As depicted in figs. 1 and 2, a kind of anti-icing five-hole probe is described in the present embodiment, it includes probes (1), probe
Bar (2), pressure guiding pipe (3)；The probe rod (2) is hollow loop bar, and the end of probe rod (2) is equipped with probe (1), the spy
Syringe needle (1) is mutually welded with probe rod (2), and probe blocks probe rod hollow space；The hollow space of probe rod is equipped with five
Pressure guiding pipe (3), each pressure guiding pipe extends respectively at the equal line direction of axis of probe rod (2), and the end of each pressure guiding pipe (3) is inserted
Enter in probe (1), to be measured to measurement flow field locating for probe.In the present embodiment, five pressure guiding pipe (3) solderings are one
It rises and is set in probe rod (2).In the present embodiment, one layer of Electric radiant Heating Film (4) is wrapped up outside the pressure guiding pipe (3), to five holes
Probe is heated, and it is next anti-icing to improve probe temperature.
By the way that heating film is arranged inside five-hole probe, to be carried out effectively, timely to the pressure guiding pipe in five-hole probe
Heating realizes the purpose for carrying out real-time accuracy controlling to five-hole probe temperature, and then can effectively prevent five-hole probe in ice wind
Ice formation issues in the experiment test of hole.
In the present embodiment, inside five-hole probe, it is set with five pressure guiding pipes (3)；The axis of five pressure guiding pipes (3) is equal
Row；One is coaxially disposed with probe rod (2) in five pressure guiding pipes (3), and another four rhizosphere is equiangularly spaced right around probe rod (2) axis
Claim arrangement.
In the present embodiment, outer Thursday root pressure guiding pipe (3) is fitted with probe rod (2) inner wall, on probe rod (2) inner wall
It is fitted with one layer of Electric radiant Heating Film (4), the Electric radiant Heating Film (4) fits with pressure guiding pipe (3) to be contacted, next anti-icing to improve probe temperature.
By the way that heating film is wrapped in induction tube periphery, after enabling heating film be loaded in five-hole probe, not to five-hole probe
Probe rod inner space result in blockage influence, five-hole probe inside air duct will not be had an impact, more will not influence the spy of five holes
The tested flow field of needle, ensure that the accuracy of data measured by five-hole probe.
In the present embodiment, the probe rod outer diameter of five-hole probe is 4~10mm, and heating film (4) thickness itself is less than or equal to
0.4mm.By above-mentioned setting, so that pressure guiding pipe (3) is affixed splice grafting and makes heating film (4) in heating film (4) and probe rod
Interference effect can't be generated to the fluid of probe rod (2) inner space；And heating film (4) is installed in probe rod (2)
Portion, so that the heat of heating film (4) can't conduct into externally measured flow field and reduce heating efficiency.
Embodiment two
As shown in Figure 3 and Figure 4, a kind of anti-icing five-hole probe is described in the present embodiment, it includes probes (1), probe
Bar (2), pressure guiding pipe (3)；The probe rod (2) is hollow loop bar, and the end of probe rod (2) is equipped with probe (1), the spy
Syringe needle (1) is mutually welded with probe rod (2), and probe (1) blocks probe rod (2) hollow space；The hollow portion of probe rod (2)
Five pressure guiding pipes (3) are arranged with, each pressure guiding pipe (3) extends respectively at the equal line direction of axis of probe rod (2), and each pressure guiding pipe
(3) end is inserted into probe, to detect to the locating detection flow field of probe (1).In the present embodiment, five impulses
Pipe (3) is brazed together and is set in probe rod (2).In the present embodiment, pressure guiding pipe (3) surrounding is evenly distributed with four electrical bars
(5), next anti-icing to improve probe temperature.
By the way that heating rod (5) are arranged inside five-hole probe, with to the pressure guiding pipe (3) in five-hole probe carry out it is effective,
It timely heats, realizes the purpose for carrying out real-time accuracy controlling to five-hole probe temperature, and then can effectively prevent five-hole probe
The ice formation issues in icing tunnel experiment test.
In the present embodiment, inside five-hole probe, it is set with five pressure guiding pipes (3)；The axis of five pressure guiding pipes (3) is equal
Row；One is coaxially disposed with probe rod (2) in five pressure guiding pipes (3), and another four rhizosphere is around probe rod (2) axis angle pair at equal intervals
Claim arrangement.
In the present embodiment, center pressure guiding pipe (3) is uniformly distributed on peripheries with four electrical bars (5), the axis of electrical bar (5) with draw
Pressure pipe (3) axis is arranged in parallel；Periphery pressure guiding pipe (3) and electrical bar (5) staggered arrangement are arranged, each electrical bar (5) and phase
Adjacent pressure guiding pipe (3) fits contact, anti-icing to improve probe temperature.
In the present embodiment, each electrical bar (5), which fits with center pressure guiding pipe (3), to be contacted, each electrical bar (5) and a left side
Two adjacent periphery pressure guiding pipes (3) of right side fit contact respectively.
In the present embodiment, heating rod (5) is evenly arranged on pressure guiding pipe (3) surrounding in probe rod (2), in adjacent two pressure guiding pipes
(3) plug hole is installed between.
By the way that heating rod (5) plug hole is installed between pressure guiding pipe (3), after enabling heating rod (5) be installed in five-hole probe,
It does not result in blockage influence on the probe rod of five-hole probe (2) inner space, five-hole probe inside air duct will not be had an impact,
The tested flow field that more will not influence five-hole probe, ensure that the accuracy of data measured by five-hole probe.
In the present embodiment, probe rod (2) outer diameter of five-hole probe is 4~10mm, and the diameter of heating rod (5) is less than or equal to
3mm。
By above-mentioned setting, so that heating tube (5) and the staggered arrangement of probe rod (2) interior pressure guiding pipe and drawing with adjacent
Pressure pipe (3) is respectively
Fit contact, so that heating tube (5) can't generate interference effect to the fluid of probe rod (2) inner space；
And heating rod (5) is made to be installed on probe rod (2) inside, so that the heat of heating rod (5) can't be conducted to externally measured stream
Heating efficiency is reduced in.
Embodiment three
The present embodiment any in one and two based on the above embodiment, also has following technical characteristic: the heating film (4)
Or heating rod (5) tail wiring is pierced by probe rod (2), the terminal portions being pierced by are equipped with the plug (8) being connected with power supply.
By above-mentioned setting, so that the heating film (4) of five-hole probe or heating rod (5) are through being equipped with the wiring of plug (8)
It is connected with power supply set by outside, realizes and provide the purpose of heating power supply to heating film (4) or heating rod (5).
In the present embodiment, in order to improve the accuracy of five-hole probe computer heating control, in the heating film (4) or heating rod
(5) wiring is equipped with temperature control equipment (6), transformer (7) between tail portion and plug (8)；The temperature control equipment (6)
Transformer (7) is controlled, with adjust heating film (4) or heating rod (5) input voltage, and then enable heating film (4) or add
Hot pin (5) can keep suitable steady temperature according to experiment condition, reached and carried out automatic and accurate behaviour to the temperature of five-hole probe
The purpose of control, constant temperature work.
Claims (2)
1. a kind of anti-icing five-hole probe, it is characterised in that: include probe (1), probe rod (2), pressure guiding pipe (3)；
The probe (1) and probe rod (2) welding, five pressure guiding pipes (3) are brazed together and are set in probe rod (2)；
Pressure guiding pipe (3) surrounding is evenly distributed with four electrical bars (5), next anti-icing to improve probe temperature；
Inside the five-hole probe, it is set with five pressure guiding pipes (3)；The axis of five pressure guiding pipes (3) is parallel；Five pressure guiding pipes
(3) one is coaxially disposed with probe rod (2) in, and another four rhizosphere is around the equiangularly spaced symmetry arrangement of probe rod (2) axis；
Center pressure guiding pipe (3) is uniformly distributed on peripheries with four electrical bars (5), and the axis of electrical bar (5) is parallel with pressure guiding pipe (3) axis
Setting；Periphery pressure guiding pipe (3) and electrical bar (5) staggered arrangement are arranged, each electrical bar (5) and adjacent pressure guiding pipe (3) phase
Fitting contact, it is next anti-icing to improve probe temperature；
The each electrical bar of five-hole probe, which fits with center pressure guiding pipe (3), to be contacted, and each electrical bar is adjacent with left and right sides
Two periphery pressure guiding pipes fit respectively contact；
The probe rod outer diameter of the five-hole probe is 4~10mm, and the diameter of heating rod (5) is less than or equal to 3mm；
Heating rod (5) is evenly arranged on pressure guiding pipe (3) surrounding in the five-hole probe probe rod (2), adjacent two pressure guiding pipes (3) it
Between plug hole install.
2. a kind of anti-icing five-hole probe according to claim 1, it is characterised in that: heating rod (5) tail wiring is worn
Probe rod (2) out, the terminal portions being pierced by are equipped with the plug (8) being connected with power supply；
Wiring is equipped with temperature control equipment (6), transformer (7) between heating rod (5) tail portion and plug (8)；The temperature
Degree control device (6) controls transformer (7), to adjust the input voltage of heating rod (5) and then enable heating rod (5) energy
Suitable steady temperature is kept according to experiment condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187241.5A CN106989894B (en) | 2017-03-27 | 2017-03-27 | A kind of anti-icing five-hole probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187241.5A CN106989894B (en) | 2017-03-27 | 2017-03-27 | A kind of anti-icing five-hole probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106989894A CN106989894A (en) | 2017-07-28 |
| CN106989894B true CN106989894B (en) | 2019-10-25 |
Family
ID=59413341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710187241.5A Active CN106989894B (en) | 2017-03-27 | 2017-03-27 | A kind of anti-icing five-hole probe |
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| Country | Link |
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| CN (1) | CN106989894B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913267A (en) * | 2014-03-31 | 2014-07-09 | 北京自动化控制设备研究所 | Small straight pipe electric heating type airspeed head |
| 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 |
| CN106052722A (en) * | 2015-04-02 | 2016-10-26 | 罗斯蒙特航天公司 | Corrision-resistant heated air data probe |
| CN205982314U (en) * | 2016-08-26 | 2017-02-22 | 西安远方航空技术发展总公司 | Five hole probes |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116395A (en) * | 1960-04-26 | 1963-12-31 | United Control Corp | Ice detector system |
| US9574960B2 (en) * | 2014-07-09 | 2017-02-21 | Kulite Semiconductor Products, Inc. | Ultra-miniature multi-hole flow angle probes |
| CN105571478B (en) * | 2015-12-24 | 2018-06-19 | 太原航空仪表有限公司 | Piezoelectric type vibration cylinder freezing sensor and its method for measuring ice condition |
-
2017
- 2017-03-27 CN CN201710187241.5A patent/CN106989894B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913267A (en) * | 2014-03-31 | 2014-07-09 | 北京自动化控制设备研究所 | Small straight pipe electric heating type airspeed head |
| 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 |
| CN106052722A (en) * | 2015-04-02 | 2016-10-26 | 罗斯蒙特航天公司 | Corrision-resistant heated air data probe |
| CN205982314U (en) * | 2016-08-26 | 2017-02-22 | 西安远方航空技术发展总公司 | Five hole probes |
Non-Patent Citations (1)
| Title |
|---|
| 3m×2m结冰风洞总压探针和皮托管研制;祖孝勇 等;《实验流体力学》;20160831;第30卷(第4期);第76-80页 * |
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| Publication number | Publication date |
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| CN106989894A (en) | 2017-07-28 |
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