CN106989894A - A kind of anti-icing five-hole probe - Google Patents
A kind of anti-icing five-hole probe Download PDFInfo
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- CN106989894A CN106989894A CN201710187241.5A CN201710187241A CN106989894A CN 106989894 A CN106989894 A CN 106989894A CN 201710187241 A CN201710187241 A CN 201710187241A CN 106989894 A CN106989894 A CN 106989894A
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- Prior art keywords
- probe
- pressure guiding
- rod
- icing
- hole
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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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
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)；Described one layer of Electric radiant Heating Film (4) of pressure guiding pipe (3) outer wrap or uniform four electrical bars (5) of pressure guiding pipe (3) surrounding, come anti-icing to improve probe temperature.By setting heating film (4) or heating rod (5) inside five-hole probe, to carry out effectively, timely heating 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 being frozen in icing tunnel experiment 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 five-hole probe, the present invention can be effective
Prevent five-hole probe from being frozen in icing tunnel experiment test 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.It is usually used in measuring the five-hole probe of three-dimensional flow field, when freeze experiment, the possibility of icing is very big.Five
Hole pin will change probe geometry once freezing, and cause probe correction characteristic to fail, and result even in probe interior blocking,
Pressure experience hole, which can not correctly be experienced, carrys out stream information, and severe patient, 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 accuracy of data, five-hole probe stock size is smaller, brought to the anti-icing work of probe
It is difficult.
The content of the invention
The present invention solves the technical problem of：A kind of anti-icing five-hole probe is provided, can solve the problem that and carrying out freezing real
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：
A kind of anti-icing five-hole probe, it is characterised in that include probe (1), probe rod (2), pressure guiding pipe (3)；It is described to visit
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 outer wrap or uniform four electrical bars (5) of pressure guiding pipe (5) surrounding, 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) inwall, is fitted on probe rod (2) inwall
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, come 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) diameter parallel is set；The staggered arrangement of periphery pressure guiding pipe (3) and electrical bar (5) is set, each electrical bar (5) with it is adjacent
Pressure guiding pipe (3) fits contact, comes anti-icing to improve probe temperature.
Further, each electrical bar (5) Jun Yu centers pressure guiding pipe (3) fits contact, each electrical bar (5) and left and right sides
Two adjacent periphery pressure guiding pipes (3) fit contact respectively.
Further, probe rod (2) external 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) external 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 distributed 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 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 directly heating rod (5) or heating film (4) are placed in inside five-hole probe
And it is fixed, high accuracy temperature control device (6), transformer (7) and power supply are equipped with, is needed appropriate regulation temperature to reach according to operating mode
To anti-icing purpose, it is ensured that the accuracy of five-hole probe measurement.
The beneficial effects of the invention are as follows：
In the present invention, by setting heating rod (5) or heating film (4) inside five-hole probe, with 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, and then
Five-hole probe ice formation issues in icing tunnel experiment test can effectively be prevented；Simultaneously as heating film (4) is wrapped in into sensing
Manage (3) periphery or heating rod (5) plug hole is installed between induction tube (3), make heating film (4) or heating rod (5) be installed on
After in five-hole probe, do not result in blockage influence on probe rod (2) inner space of five-hole probe, to five-hole probe inside air channel
Influence will not be produced, the tested flow field of five-hole probe is not interfered with more, it is ensured that the accuracy of data measured by five-hole 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 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 A-A faces enlarged section of anti-icing five-hole probe in a kind of anti-icing five-hole probe embodiment Fig. 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 B-B faces enlarged section of anti-icing five-hole probe in a kind of anti-icing five-hole probe embodiment Fig. 3 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 depicted in figs. 1 and 2, a kind of anti-icing five-hole probe is described in the present embodiment, it includes probe (1), probe
Bar (2), pressure guiding pipe (3)；The probe rod (2) is hollow loop bar, and the end of probe rod (2) is provided with probe (1), the probe
Head (1) is mutually welded with probe rod (2), and probe blocks probe rod hollow space；The hollow space of probe rod draws provided with five
Pressure 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
In probe (1), to be measured to measuring flow field residing for probe.In the present embodiment, five pressure guiding pipe (3) solderings are one
Rise and be set in probe rod (2).In the present embodiment, described one layer of Electric radiant Heating Film (4) of pressure guiding pipe (3) outer wrap, with to five holes
Probe is heated, and is improved probe temperature and is come anti-icing.
It is effective, timely to be carried out to the pressure guiding pipe in five-hole probe by setting heating film inside five-hole probe
Heating, realizes the purpose that real-time accuracy controlling is carried out 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, five pressure guiding pipes (3) are set with；The axis of five pressure guiding pipes (3) is equal
OK；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) inwall, on probe rod (2) inwall
One layer of Electric radiant Heating Film (4) is fitted with, the Electric radiant Heating Film (4) fits with pressure guiding pipe (3) to be contacted, comes anti-icing to improve probe temperature.
By the way that heating film is wrapped in into induction tube periphery, make heating film be loaded on five-hole probe in after, not to five-hole probe
Probe rod inner space result in blockage influence, influence will not be produced on five-hole probe inside air channel, the spy of five holes is not interfered with more
The tested flow field of pin, it is ensured that the accuracy of data measured by five-hole probe.
In the present embodiment, the probe rod external 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, to cause heating film (4) and pressure guiding pipe (3) in probe rod to be affixed splice grafting and cause heating film (4)
Interference effect can't be produced 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 the efficiency of heating surface.
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 probe (1), probe
Bar (2), pressure guiding pipe (3)；The probe rod (2) is hollow loop bar, and the end of probe rod (2) is provided with probe (1), the probe
Head (1) is mutually welded with probe rod (2), and probe (1) blocks probe rod (2) hollow space；The hollow bulb of probe rod (2) sets up separately
There are five pressure guiding pipes (3), 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 insert in probe, to be detected to the residing detection flow field of probe (1).In the present embodiment, five pressure guiding pipes
(3) it is brazed together and is set in probe rod (2).In the present embodiment, uniform four electrical bars (5) of pressure guiding pipe (3) surrounding,
Come anti-icing to improve probe temperature.
By setting heating rod (5) inside five-hole probe, with the pressure guiding pipe (3) in five-hole probe is carried out it is effective,
Timely heat, realize the purpose that real-time accuracy controlling is carried out 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, five pressure guiding pipes (3) are set with；The axis of five pressure guiding pipes (3) is equal
OK；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), and the axis of electrical bar (5) is with drawing
Pressure pipe (3) diameter parallel is set；Periphery pressure guiding pipe (3) is set with the staggered arrangement of electrical bar (5), 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) Jun Yu centers pressure guiding pipe (3) fits contact, each electrical bar (5) with it is left
Two adjacent periphery pressure guiding pipes (3) of right side fit contact respectively.
In the present embodiment, heating rod (5) is distributed 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 induction tube (3), make after heating rod (5) is installed in five-hole probe,
Do not result in blockage influence on probe rod (2) inner space of five-hole probe, five-hole probe inside air channel will not be produced influence,
The tested flow field of five-hole probe is not interfered with more, it is ensured that the accuracy of data measured by five-hole probe.
In the present embodiment, probe rod (2) external 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, to cause the staggered arrangement of heating tube (5) and probe rod (2) interior pressure guiding pipe and draw with adjacent
Pressure pipe (3) is respectively
Fit contact so that heating tube (5) can't produce interference effect to the fluid of probe rod (2) inner space；
And causing heating rod (5) is installed on probe rod (2) internal so that the heat of heating rod (5) can't be conducted to externally measured stream
The efficiency of heating surface is reduced in.
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 five-hole probe through the wiring provided with plug (8)
It is connected with power supply set by outside, the purpose for providing heating film (4) or heating rod (5) and heating power supply is provided.
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 provided with temperature control equipment (6), transformer (7) between afterbody and plug (8)；The temperature control equipment (6) is right
Transformer (7) is controlled, to adjust the input voltage of heating film (4) or heating rod (5) and then make heating film (4) or heating
Rod (5) can keep suitable steady temperature according to experiment condition, reached the temperature of five-hole probe is carried out automatic accurate manipulation,
The purpose of constant temperature work.
Claims (10)
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)；
Described one layer of Electric radiant Heating Film (4) of pressure guiding pipe (3) outer wrap or uniform four electrical bars (5) of pressure guiding pipe (3) surrounding, to carry
High probe temperature is come anti-icing.
2. a kind of anti-icing five-hole probe according to claim 1, it is characterised in that：Inside five-hole probe, five are set with
Root pressure guiding pipe (3)；The axis of five pressure guiding pipes (3) is parallel；One is coaxially disposed with probe rod (2) in five pressure guiding pipes (3),
Another four rhizosphere is around the equiangularly spaced symmetry arrangement of probe rod (2) axis.
3. a kind of anti-icing five-hole probe according to claim 2, it is characterised in that：One is fitted with probe rod (2) inwall
Layer Electric radiant Heating Film (4), the Electric radiant Heating Film (4) fits with pressure guiding pipe (3) to be contacted, and outer Thursday root pressure guiding pipe (3) is interior with probe rod (2)
Wall is fitted, and comes anti-icing to improve probe temperature.
4. a kind of anti-icing five-hole probe according to claim 2, it is characterised in that：The surrounding of center pressure guiding pipe (3) is uniform
There are four electrical bars (5), axis and pressure guiding pipe (3) diameter parallel of electrical bar (5) are set；Periphery pressure guiding pipe (3) and electrical bar
(5) staggered arrangement is set, and each electrical bar (5) fits with adjacent pressure guiding pipe (3) and contacted, prevented with improving probe temperature
Ice.
5. a kind of anti-icing five-hole probe according to claim 4, it is characterised in that：Each electrical bar Jun Yu centers pressure guiding pipe
(3) fitted contact, and each electrical bar two periphery pressure guiding pipes adjacent with left and right sides fit respectively to be contacted.
6. according to a kind of any described anti-icing five-hole probe of claims 1 to 3, it is characterised in that：The probe rod of five-hole probe
External diameter is 4~10mm, and the diameter of heating rod (5) is less than or equal to 3mm.
7. a kind of anti-icing five-hole probe according to claim 1 or 2 or 4 or 5, it is characterised in that：The probe of five-hole probe
Bar external diameter is 4~10mm, and heating film (4) thickness itself is less than or equal to 0.4mm.
8. a kind of anti-icing five-hole probe according to claim 1 or 2 or 4 or 5, it is characterised in that：Heated in probe rod (2)
Rod (5) is distributed on pressure guiding pipe (3) surrounding, and plug hole is installed between adjacent two pressure guiding pipes (3).
9. according to a kind of any described anti-icing five-hole probe of claim 1 to 5, it is characterised in that：The heating film (4) adds
Hot pin (5) tail wiring passes probe rod (2), and the terminal portions passed are provided with the plug (8) being connected with power supply.
10. a kind of anti-icing five-hole probe according to claim 9, it is characterised in that：The heating film (4) or heating rod
(5) wiring is provided with temperature control equipment (6), transformer (7) between afterbody and plug (8)；The temperature control equipment (6) is right
Transformer (7) is controlled, to adjust the input voltage of heating film (4) or heating rod (5) and then make heating film (4) or heating
Rod (5) can keep suitable steady temperature 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 true CN106989894A (en) | 2017-07-28 |
| CN106989894B 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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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB953228A (en) * | 1960-04-26 | 1964-03-25 | United Control Corp | Ice detector system |
| 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 |
| US20160011065A1 (en) * | 2014-07-09 | 2016-01-14 | Kulite Semiconductor Products, Inc. | Ultra-Miniature Multi-Hole Flow Angle Probes |
| CN105571478A (en) * | 2015-12-24 | 2016-05-11 | 太原航空仪表有限公司 | Piezoelectric vibration cylinder icing sensor and method for measuring icing condition thereof |
| 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 |
-
2017
- 2017-03-27 CN CN201710187241.5A patent/CN106989894B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB953228A (en) * | 1960-04-26 | 1964-03-25 | United Control Corp | Ice detector system |
| 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 |
| US20160011065A1 (en) * | 2014-07-09 | 2016-01-14 | Kulite Semiconductor Products, Inc. | Ultra-Miniature Multi-Hole Flow Angle Probes |
| CN106052722A (en) * | 2015-04-02 | 2016-10-26 | 罗斯蒙特航天公司 | Corrision-resistant heated air data probe |
| CN105571478A (en) * | 2015-12-24 | 2016-05-11 | 太原航空仪表有限公司 | Piezoelectric vibration cylinder icing sensor and method for measuring icing condition thereof |
| 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 (2)
| Title |
|---|
| 祖孝勇 等: "3m×2m结冰风洞总压探针和皮托管研制", 《实验流体力学》 * |
| 袁文铎: "全静压探头冰风洞试验要求分析", 《科技资讯》 * |
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| Publication number | Publication date |
|---|---|
| CN106989894B (en) | 2019-10-25 |
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