CN107101746A - A kind of temperature probe comb with air blowing branching rod structure - Google Patents
A kind of temperature probe comb with air blowing branching rod structure Download PDFInfo
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- CN107101746A CN107101746A CN201710317349.1A CN201710317349A CN107101746A CN 107101746 A CN107101746 A CN 107101746A CN 201710317349 A CN201710317349 A CN 201710317349A CN 107101746 A CN107101746 A CN 107101746A
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- pole
- mounting seat
- welded
- supply pipe
- air blowing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/028—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow for use in total air temperature [TAT] probes
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- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention belongs to flow field temperature test technical field.The invention discloses a kind of temperature probe comb with air blowing branching rod structure, it is characterised in that：Comprising end of probe, pole, mounting seat, air supply pipe, connect mouth；The end of probe is welded with pole, built-in temperature sensor；Sensor wire is packaged in inside pole, is drawn from pole top；The pole and mounting seat are welded, be divided into left and right two parts inside it, centre is separated by dividing plate, and gas supply part is divided into enclosed construction, and towards flowing, single-row or multiple row circular hole is opened at pole back, and hole is connected or communicated with air supply pipe；The air supply pipe is connected with the mouth that connects being welded in mounting seat；It is described to connect side or top that mouth is welded on mounting seat.Compared with existing probe is combed, the present invention weakens pole blockage effect, interference of the reduction pole to downstream flow field by controlling pole to blow.
Description
Technical field
The invention belongs to flow field temperature test technical field, it is related to the measurement apparatus of the parameters such as flow field stagnation temperature, static temperature, specifically
It is related to a kind of temperature probe comb with air blowing branching rod structure.
Background technology
At present inside in stream experimental test, such as import, outlet three-dimensional flow field parameter are carried out to transonic compressor, turbine and surveyed
It is general using temperature probe comb during amount, including to flow the distribution along blade height direction such as static temperature, stagnation temperature.
Temperature probe is combed, and is widely used the features such as test process has flexible, efficient.But, these temperature are visited
Grilling needs strut support, and pole can produce certain interference to being tested flow field, causes flowing mixing loss, flowing to block,
The normal operation of testpieces is even influenceed when serious.For example, when temperature probe comb insertion small size compressor inlet is measured
When, pole tail can cause relatively serious blocking, trigger compressor to shift to an earlier date stall even surge.Combed and surveyed using insertion probe
When measuring turbine internal flow field parameters, the blockage effect that pole tail is produced can produce interference to tested flow field, influence downstream flow field
The measurement of parameter.
The content of the invention
The present invention solves the technical problem of：Utilize plug-in type temperature probe comb measurement turbine internal flow field parameters
When, the blockage effect that pole tail is produced can produce interference to tested flow field, influence the measurement of downstream flow field parameter.The present invention
It is a kind of temperature probe comb with air blowing branching rod structure, by the circular hole blow gas on pole surface, reduces the blocking of pole
Effect, weakens interference of the probe comb pole to tested flow field.
In order to solve above-mentioned technical barrier, design of the invention is：
1. it is a kind of with air blowing branching rod structure temperature probe comb, comprising end of probe (1), pole (2), mounting seat (7),
Air supply pipe (5), connect mouth (6)；The end of probe (1) is welded with pole (2), built-in temperature sensor；Sensor wire (3) is sealed
It is internal loaded on pole (2), drawn by pole (2) top；The pole (2) and mounting seat (7) are welded, and are divided into left and right two inside it
Part, centre is separated by dividing plate, and gas supply part is divided into enclosed construction, and towards flowing, pole (2) back opens single-row or multiple row circular hole
(4), hole (4) are connected or communicated with air supply pipe (5)；The air supply pipe (5) and the mouth (6) that connects being welded in mounting seat (7) connect
Connect；It is described to connect side or top that mouth (6) is welded on mounting seat (7).
2. further, probe pole (2) section can be circle, kidney-shaped, wedge shape structure.
3. further, if the angle that pole (2) back is opened between multiple row circular hole (4), two row hole (4) is 0 °~180 °.
4. further, a row circular hole (4) on probe pole (2) surface, aperture is 0.1~2mm, the aperture of each hole (4)
It can be the same or different.
5. further, a row circular hole (4) on probe pole (2) surface, the distance between holes (4) is 2~20mm, circular hole
(4) it can uniformly arrange and uneven can also arrange vertically, the number of each column hole (4) can be long according to the measurement of pole (2)
Depending on degree.
6. further, air supply pipe (5) extend into pole (2) inside, a diameter of 0~3mm, air supply pipe (5) can be single
Or many.
7. further, air supply pipe (5) is connected with circular hole (4), and corresponds；Air supply pipe (5) is communicated with circular hole (4),
Air supply pipe (5) air blowing end can be located at any position of pole (2) top to bottom, and the supply part of pole (2) can be real
The heart is hollow.
8. further, the side of mounting seat (7) can be welded on by connecing mouth (6), and the angle with mounting seat (7) is 0 °~90 °,
The top of mounting seat (7) can also be vertically welded in, length is 0~30mm.
The present invention passes through calibration experiments, under conditions of known temperature of incoming flow, can control gas blowout amount, reduces pole
Blockage effect, weaken probe comb pole to be tested flow field interference.
Compared with conventional art, what the present invention can reach has the technical effect that：
When turbomachine internal flow field parameters are measured, the blocking that the present invention can reduce pole by pole blow gas is imitated
Should, weaken interference of the probe comb pole to tested flow field.
It can be applied to the measurement of the turbine interior flow field parameter such as compressor, turbine, it can also be used to pipeline, flow field of outflowing
Measurement.
Brief description of the drawings
Fig. 1 is the front view that a kind of temperature probe with air blowing branching rod structure of the present invention combs embodiment one；
Fig. 2 is Fig. 1 A-A sectional drawings.
Wherein：1. probe；2. pole；3. temperature sensor cable；4. the circular hole on pole surface；5. air supply pipe；6. connect
Mouth；7. mounting seat.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment
As shown in figure 1, describing a kind of temperature probe comb with air blowing branching rod structure in the present embodiment, its feature exists
In：Comprising end of probe (1), pole (2), mounting seat (7), air supply pipe (5), connect mouth (6)；The end of probe (1) and pole
(2) weld, built-in temperature sensor；Sensor wire (3) is packaged in pole (2) inside, is drawn by pole (2) top；It is described
Pole (2) and mounting seat (7) are welded, and are divided into left and right two parts inside it, centre is separated by dividing plate, and gas supply part is divided into closed knot
Structure, towards flowing, three row circular holes (4) are opened at pole (2) back, hole (4) are communicated with air supply pipe (5)；The air supply pipe (5) and welding
Mouth (6) connection is connect in mounting seat (7)；It is described to connect side or top that mouth (6) is welded on mounting seat (7).
In this example, probe number is 5；Pole (1) is wedge bar, and 30 ° of wedge angle, section is sector, and radius is
15mm；Three row hole (4) at pole back are circumferentially arranged, and are arranged from pole (2) back middle with 10 ° of angles or so, each column opens 6
Hole (4)；Circular hole (4) a diameter of 0.5mm, all hole (4) apertures are identical；The distance between each column hole (4) holes is 2~9mm, two
Hole (4) spacing is by the reduction of pole (2) top to end of probe (1) equal difference；Air supply pipe (5) is 3, and supply end is respectively protruding into horizontal stroke
To the contour position in first row, the 3rd row, the 5th round center of circle, a diameter of 0.4mm；Be welded on mounting seat (7) side connects mouth
(6) it is, 60 ° with mounting seat (7) angle, length is 10mm.
The present embodiment, air blowing scope is widened, and is largely reduced pole and is blocked effectiveness, effective polishing pole blocks effect
Speed that should be caused is lost, and reduces interference of the insertion probe comb to tested flow field.
The present invention passes through calibration experiments, under conditions of known temperature of incoming flow, can control gas blowout amount, reduces pole
Blockage effect, weaken insertion probe comb to be tested flow field interference.
Claims (8)
1. a kind of temperature probe comb with air blowing branching rod structure, includes end of probe (1), pole (2), mounting seat (7), supply
Manage (5), connect mouth (6)；The end of probe (1) is welded with pole (2), built-in temperature sensor；Sensor wire (3) is packaged in
Pole (2) is internal, is drawn by pole (2) top；The pole (2) and mounting seat (7) are welded, and are divided into left and right two inside it
Point, centre is separated by dividing plate, and gas supply part is divided into enclosed construction, and towards flowing, pole (2) back opens single-row or multiple row circular hole
(4), hole (4) are connected or communicated with air supply pipe (5)；The air supply pipe (5) and the mouth (6) that connects being welded in mounting seat (7) connect
Connect；It is described to connect side or top that mouth (6) is welded on mounting seat (7).
2. a kind of temperature probe comb with air blowing branching rod structure according to claim 1, it is characterised in that：Pole (2)
Section can be circle, kidney-shaped, wedge shape structure.
3. a kind of temperature probe comb with air blowing branching rod structure according to claim 1 and claim 2, its feature exists
In：If the angle that pole (2) back is opened between multiple row circular hole (4), two row hole (4) is 0 °~180 °.
4. a kind of temperature probe comb with air blowing branching rod structure according to claim 1 and claim 4, its feature exists
In：The one row circular hole (4) on pole (2) surface, aperture is 0.1~2mm, and the aperture of each hole (4) can be the same or different.
5. a kind of temperature probe comb with air blowing branching rod structure according to claim 1 and claim 4, its feature exists
In：The one row circular hole (4) on pole (2) surface, the distance between holes (4) is 2~20mm, and circular hole (4) vertically can be uniform
Arrangement uneven can also be arranged, the number of each column hole (4) can as needed depending on.
6. a kind of temperature probe comb with air blowing branching rod structure according to claim 1, it is characterised in that：Air supply pipe
(5) it extend into pole (2) internal, a diameter of 0~3mm, air supply pipe (5) can be single or many.
7. a kind of temperature probe comb with air blowing branching rod structure according to claim 1 and claim 6, its feature exists
In：Air supply pipe (5) is connected with circular hole (4), and corresponds；Air supply pipe (5) is communicated with circular hole (4), air supply pipe (5) air blowing end
Any position of pole (2) top to bottom can be located at, the supply part of pole (2) can be solid or hollow.
8. a kind of temperature probe comb with air blowing branching rod structure according to claim 1, it is characterised in that：Connect mouth (6)
The side of mounting seat (7) can be welded on, the angle with mounting seat (7) is 0 °~90 °, can also be vertically welded in mounting seat
(7) top, length is 0~30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317349.1A CN107101746B (en) | 2017-05-08 | 2017-05-08 | A kind of temperature probe comb with air blowing branching rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317349.1A CN107101746B (en) | 2017-05-08 | 2017-05-08 | A kind of temperature probe comb with air blowing branching rod structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107101746A true CN107101746A (en) | 2017-08-29 |
| CN107101746B CN107101746B (en) | 2019-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317349.1A Active CN107101746B (en) | 2017-05-08 | 2017-05-08 | A kind of temperature probe comb with air blowing branching rod structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225613A (en) * | 2017-05-31 | 2018-06-29 | 北京航空航天大学 | A kind of blown using strut reduces the temperature probe of strut blockage effect |
| CN109341873A (en) * | 2018-12-14 | 2019-02-15 | 中国航发沈阳发动机研究所 | A kind of temperature probe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004016033A1 (en) * | 2004-03-30 | 2005-10-20 | Alstom Technology Ltd Baden | Measuring device, for measuring flow parameters in flow channel in turbo-engine, e.g. gas turbine, has rake/comb with support and measuring heads protruding radially from it |
| CN202974619U (en) * | 2012-11-30 | 2013-06-05 | 沈阳鼓风机集团安装检修配件有限公司 | Total pressure probe |
| CN104280183A (en) * | 2014-09-29 | 2015-01-14 | 南京航空航天大学 | Flow collection type comb-shaped total pressure probe |
| US9243963B2 (en) * | 2012-07-31 | 2016-01-26 | Rolls-Royce Plc | Total temperature probe |
-
2017
- 2017-05-08 CN CN201710317349.1A patent/CN107101746B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004016033A1 (en) * | 2004-03-30 | 2005-10-20 | Alstom Technology Ltd Baden | Measuring device, for measuring flow parameters in flow channel in turbo-engine, e.g. gas turbine, has rake/comb with support and measuring heads protruding radially from it |
| US9243963B2 (en) * | 2012-07-31 | 2016-01-26 | Rolls-Royce Plc | Total temperature probe |
| CN202974619U (en) * | 2012-11-30 | 2013-06-05 | 沈阳鼓风机集团安装检修配件有限公司 | Total pressure probe |
| CN104280183A (en) * | 2014-09-29 | 2015-01-14 | 南京航空航天大学 | Flow collection type comb-shaped total pressure probe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225613A (en) * | 2017-05-31 | 2018-06-29 | 北京航空航天大学 | A kind of blown using strut reduces the temperature probe of strut blockage effect |
| CN109341873A (en) * | 2018-12-14 | 2019-02-15 | 中国航发沈阳发动机研究所 | A kind of temperature probe |
| CN109341873B (en) * | 2018-12-14 | 2020-12-04 | 中国航发沈阳发动机研究所 | Temperature probe |
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| Publication number | Publication date |
|---|---|
| CN107101746B (en) | 2019-06-04 |
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