CN209372890U - A kind of Pitot tube - Google Patents
A kind of Pitot tube Download PDFInfo
- Publication number
- CN209372890U CN209372890U CN201920219722.4U CN201920219722U CN209372890U CN 209372890 U CN209372890 U CN 209372890U CN 201920219722 U CN201920219722 U CN 201920219722U CN 209372890 U CN209372890 U CN 209372890U
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- China
- Prior art keywords
- probe
- fixedly connected
- pitot tube
- feeler lever
- handle
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Abstract
The utility model discloses a kind of Pitot tubes, including probe and handle, it is fixedly connected at the top of the bottom end of the probe and handle, the side of the probe offers hole windward, the other side of the probe offers leeward hole, the bottom of the intracavity of handle is fixedly connected with air velocity transducer, temperature sensor is fixedly connected at the top of the air velocity transducer, starting stave is fixedly connected between the top and bottom of the probe bores, the second riser is fixedly connected between the top and bottom of the probe bores and positioned at the side of starting stave, the utility model relates to Pitot tube technical fields.The Pitot tube, feeler lever random length is adapted to different-diameter air hose, feeler lever integrated built-in temperature sensor is applicable in high temperature air hose, can single-point survey wind speed and multiple spot and survey mean wind speed, the small shape feeler lever of ellipse reduces feeler lever itself to the windage of air hose, easily installation, reduces the influence to wind speed generation is surveyed, and the data made are more accurate.
Description
Technical field
The utility model relates to Pitot tube technical field, specially a kind of Pitot tube.
Background technique
Pitot tube, also known as " pitot ", " Pitot-static tube ", Pitot tube are measurement air-flow stagnation pressure and static pressure to determine air velocity
A kind of tube, by French H. skin support invent and gain the name, strictly speaking, Pitot tube only measures air-flow stagnation pressure also known as stagnation pressure
Pipe, while measuring stagnation pressure, and static pressure just claims Pitot-static tube, but it is traditionally more Pitot-static tube is referred to as Pitot tube, the construction of Pitot tube is such as
Figure, head is hemispherical, is afterwards pair of lamina casing, and head is directed at incoming flow when testing the speed, aperture (pitot hole) impression at head center
Incoming flow stagnation pressure p0 is sent to pressure gauge through inner tube, and it is (quiet to be equably provided with a round on the housing tube wall behind head at about 3~8D
Press hole), experience incoming flow static pressure p, also reach pressure gauge through outer tube, for potential flows, according to Bernoulli equation and energy
Amount equation can find out gasflow mach number, and then seek speed again, but in supersonic flows, and detached shock wave occurs in Pitot tube head,
The stagnation pressure after being wave of pitot hole impression, incoming flow static pressure is also difficult to survey standard, thus Pitot tube is no longer applicable in, the spy of existing Pitot tube
Bar is difficult to realize random length adaptation different-diameter air hose.
Traditional Pitot tube is very simple device mostly, and feeler lever is difficult to realize random length adaptation different-diameter air hose,
Feeler lever does not have integrated built-in temperature sensor and is applicable in high temperature air hose, it is difficult to which single-point surveys wind speed and multiple spot surveys mean wind speed, difficult
It to reduce feeler lever itself to the windage of air hose, is not easy to install, increases the influence to wind speed generation is surveyed, it is difficult to the number made
According to more accurate.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of Pitot tube, and the feeler lever for solving Pitot tube is difficult to
Realize that random length adaptation different-diameter air hose, feeler lever do not have integrated built-in temperature sensor and be applicable in high temperature air hose and be difficult to
Single-point surveys the problem of wind speed and multiple spot survey mean wind speed.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of Pitot tube, including probe
And handle, it is fixedly connected at the top of the bottom end of the probe and handle, the side of the probe offers hole windward, the probe
The other side offer leeward hole, the bottom of the intracavity of handle is fixedly connected with air velocity transducer, the air velocity transducer
Top is fixedly connected with temperature sensor.
Preferably, starting stave is fixedly connected between the top and bottom of the probe bores.
Preferably, second is fixedly connected between the top and bottom of the probe bores and positioned at the side of starting stave
Riser.
Preferably, the diameter of the probe is 8mm.
Preferably, the top of the probe offers through-hole, and the probe is ellipse.
Beneficial effect
The utility model provides a kind of Pitot tube.Have compared with prior art it is following the utility model has the advantages that
(1), the Pitot tube, by being fixedly connected at the top of the bottom end of probe and handle, the side of probe is offered windward
Hole, the other side of probe offer leeward hole, and the bottom of intracavity of handle is fixedly connected with air velocity transducer, the top of air velocity transducer
Portion is fixedly connected with temperature sensor, and starting stave is fixedly connected between the top and bottom of probe bores, probe bores
It is fixedly connected with the second riser between top and bottom and positioned at the side of starting stave, feeler lever random length is adapted to different-diameter
Air hose, feeler lever integrated built-in temperature sensor are applicable in high temperature air hose, can single-point survey wind speed and multiple spot and survey mean wind speed, ellipse
Small shape feeler lever reduces feeler lever itself to the windage of air hose, easily installs.
(2), the Pitot tube, by being fixedly connected at the top of the bottom end of probe and handle, the side of probe is offered windward
Hole, the other side of probe offer leeward hole, and the bottom of intracavity of handle is fixedly connected with air velocity transducer, the top of air velocity transducer
Portion is fixedly connected with temperature sensor, and starting stave is fixedly connected between the top and bottom of probe bores, probe bores
It is fixedly connected with the second riser between top and bottom and positioned at the side of starting stave, the top of probe offers through-hole, visits
Needle is ellipse, reduces the influence to wind speed generation is surveyed, and the data made are more accurate.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the side view of the utility model probe structure；
Fig. 3 is the cross-sectional view of the utility model probe structure.
In figure: 1 probe, 2 handles, 3 second risers, 4 hole, 5 leeward holes, 6 air velocity transducers, 7 temperature sensors, 8 windward
Starting stave.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of Pitot tube, including probe 1 and handle 2 are visited
1 random length of bar is adapted to different-diameter air hose, and 1 integrated built-in temperature sensor of feeler lever is applicable in high temperature air hose, can single-point survey wind
Speed and multiple spot survey mean wind speed, and the small shape feeler lever 1 of ellipse reduces feeler lever 1 itself to the windage of air hose, easily installs, probe 1
Bottom end be fixedly connected with the top of handle 2, the side of probe 1 offers hole 4 windward, and the other side of probe 1 offers leeward
Hole 5, the bottom of 2 inner cavity of handle are fixedly connected with air velocity transducer 6, and the top of air velocity transducer 6 is fixedly connected with temperature sensing
Device 7, is fixedly connected with starting stave 8 between the top and bottom of 1 inner cavity of probe, between the top and bottom of 1 inner cavity of probe and
It is fixedly connected with the second riser 3 positioned at the side of starting stave 8, the diameter of probe 1 is 8mm, and the top of probe 1 offers logical
Hole, probe 1 are ellipse, reduce the influence to wind speed generation is surveyed, the data made are more accurate.
When work, the bottom end of probe 1 is fixedly connected with the top of handle 2, and the side of probe 1 offers hole 4 windward, probe
1 other side offers leeward hole 5, and the bottom of 2 inner cavity of handle is fixedly connected with air velocity transducer 6, the top of air velocity transducer 6
It is fixedly connected with temperature sensor 7, starting stave 8,1 inner cavity of probe are fixedly connected between the top and bottom of 1 inner cavity of probe
Top and bottom between and be located at the side of starting stave 8 and be fixedly connected with the second riser 3,1 random length of feeler lever is adapted to not
With diameter air hose, 1 integrated built-in temperature sensor of feeler lever is applicable in high temperature air hose, can single-point survey wind speed and multiple spot survey average wind
Speed, the small shape feeler lever 1 of ellipse reduce feeler lever 1 itself to the windage of air hose, easily install.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Pitot tube, including probe (1) and handle (2), the fixed company in the bottom end of the probe (1) and the top of handle (2)
It connects, it is characterised in that: the side of the probe (1) offers hole (4) windward, and the other side of the probe (1) offers leeward
The bottom in hole (5), handle (2) inner cavity is fixedly connected with air velocity transducer (6), and the top of the air velocity transducer (6) is solid
Surely temperature sensor (7) are connected with.
2. a kind of Pitot tube according to claim 1, it is characterised in that: the top and bottom of probe (1) inner cavity it
Between be fixedly connected with starting stave (8).
3. a kind of Pitot tube according to claim 2, it is characterised in that: the top and bottom of probe (1) inner cavity it
Between and be located at starting stave (8) side be fixedly connected with the second riser (3).
4. a kind of Pitot tube according to claim 1, it is characterised in that: the diameter of the probe (1) is 8mm.
5. a kind of Pitot tube according to claim 1, it is characterised in that: the top of the probe (1) offers through-hole, institute
Probe (1) is stated as ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920219722.4U CN209372890U (en) | 2019-02-21 | 2019-02-21 | A kind of Pitot tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920219722.4U CN209372890U (en) | 2019-02-21 | 2019-02-21 | A kind of Pitot tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372890U true CN209372890U (en) | 2019-09-10 |
Family
ID=67827310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920219722.4U Active CN209372890U (en) | 2019-02-21 | 2019-02-21 | A kind of Pitot tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761898A (en) * | 2021-01-20 | 2021-05-07 | 沈观清 | Front-mounted wind speed pipe arranged at front part of wind driven generator |
-
2019
- 2019-02-21 CN CN201920219722.4U patent/CN209372890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761898A (en) * | 2021-01-20 | 2021-05-07 | 沈观清 | Front-mounted wind speed pipe arranged at front part of wind driven generator |
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