CN218099222U - Pitot tube matched with environment monitoring instrument - Google Patents
Pitot tube matched with environment monitoring instrument Download PDFInfo
- Publication number
- CN218099222U CN218099222U CN202222709482.0U CN202222709482U CN218099222U CN 218099222 U CN218099222 U CN 218099222U CN 202222709482 U CN202222709482 U CN 202222709482U CN 218099222 U CN218099222 U CN 218099222U
- Authority
- CN
- China
- Prior art keywords
- tube
- limiting plate
- total pressure
- connecting rod
- pipe
- 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.)
- Active
Links
Images
Abstract
The application provides a supporting pitot tube of environmental monitoring instrument includes: connecting tube and spacing subassembly, spacing subassembly includes the sleeve pipe, sheathed tube one end is equipped with the connecting rod, the limiting plate has been cup jointed to the outer wall of connecting rod, the crossing department of connecting rod and limiting plate and be close to sheathed tube one side and be equipped with limit nut, one side that the sleeve pipe is close to the limiting plate is equipped with the locating lever, relate to pitot tube technical field, wherein, it is equipped with spacing subassembly to manage and the crossing department of connecting pipe totally, this spacing subassembly includes limiting plate and connecting rod, need examine time measuring to the gas flow rate, cup joint spacing subassembly in wind gap position department, then rotate the connecting rod, can drive the limiting plate and remove under the effect of connecting rod, thereby can change the interval between limiting plate and the sleeve pipe, like this under limiting plate and sheathed tube combined action, can make this manage fixedly closely totally under the effect of spacing subassembly, can not appear not detecting inaccurate problem emergence owing to connect when examining.
Description
Technical Field
The utility model relates to a pitot tube technical field especially relates to a supporting pitot tube of environmental monitoring instrument.
Background
A pitot tube, also known as an airspeed tube, an air velocity tube, which is a tubular device for measuring the total pressure and static pressure of an air flow to determine the air velocity, strictly speaking, the pitot tube only measures the total pressure of the air flow, also known as a total pressure tube; the wind speed pipe is called as wind speed pipe when the total pressure and the static pressure are measured at the same time, but the wind speed pipe is often called as pitot pipe in practice.
However, the device has the following problems in the use process:
the existing pitot tube is directly inserted into a to-be-detected area by a pipeline when the wind speed is detected, but the size of an insertion hole is different from that of the pipeline, so that the pipeline is inclined and shaken under the action of wind power, and the detection result is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome current pipeline and place the unstable problem that leads to the testing result not accurate that leads to, the embodiment of this application provides a supporting pitot tube of environmental monitoring instrument, it is equipped with spacing subassembly to manage crossing department with the connecting pipe always, this spacing subassembly includes limiting plate and connecting rod, need examine time measuring to the gas flow rate, cup joint spacing subassembly in wind gap position department, then rotate the connecting rod, can drive the limiting plate under the effect of connecting rod and remove, thereby can change the interval between limiting plate and the sleeve pipe, like this under limiting plate and sheathed tube combined action, can make this always manage fixed inseparable under the effect of spacing subassembly, can not take place because connect the inseparable inaccurate problem of detection that appears when examining.
The technical scheme adopted by the embodiment of the application for solving the technical problem is as follows:
a pitot tube for an environmental monitoring instrument comprising: connecting a pipeline; for detecting the gas flow rate; the limiting assembly is arranged on the surface of the connecting pipeline; wherein, spacing subassembly includes the sleeve pipe, sheathed tube one end is equipped with the connecting rod, the limiting plate has been cup jointed to the outer wall of connecting rod, the crossing department of connecting rod and limiting plate and be close to sheathed tube one side and be equipped with limit nut, the sleeve pipe is close to one side of limiting plate and is equipped with the locating lever, and the locating lever is located the below of connecting rod, clockwise rotation connecting rod for the connecting rod drives the limiting plate and removes, makes the interval between movable plate and the sleeve pipe increase, thereby can make to press under limiting plate and sheathed tube combined action to manage closely with some sectional breach contact.
Connecting a pipeline; the connecting pipeline comprises a total pressure pipe which is of an L-shaped structure and is used for detecting the flow velocity of the gas; the connecting pipe, its set up in the one end of total vertical end of tub, still include simultaneously to aim at the pole, its set up in the one end of connecting pipe for detect the angle of total tub.
Preferably, the connecting pipe is of a hollow structure, a static pressure connector is arranged on one side, away from the aligning rod, of the connecting pipe, a total pressure connector is arranged on one side, away from the total pressure pipe, of the connecting pipe, the total pressure connector and the static pressure connector are respectively connected with a hose, and the hose and the pressure gauge are connected with each other, so that the pitot tube can measure the wind speed.
Preferably, the total pressure pipe comprises an outer pipe and an inner pipe, the inner pipe is sleeved inside the outer pipe, the inner pipe and the outer pipe are of a concentric structure, a total pressure hole is formed in one side of the horizontal end of the total pressure pipe, the total pressure hole is aligned to the flowing direction of the air flow during measurement, and the static pressure is indicated by an alignment rod in the vertical direction of the air flow. The measuring point inserting hole is free from air leakage, air flow interference on the section can be prevented, and a plurality of static pressure holes are formed in one side, close to the total pressure holes, of the total pressure pipe.
The embodiment of the application has the advantages that:
the utility model discloses in be equipped with spacing subassembly totally the crossing department of tub and connecting pipe, this spacing subassembly includes limiting plate and connecting rod, need examine time measuring to the gas flow rate, cup joint spacing subassembly in wind gap position department, then rotate the connecting rod, can drive the limiting plate under the effect of connecting rod and remove, thereby can change the interval between limiting plate and the sleeve pipe, under limiting plate and sheathed tube combined action like this, can make this always manage fixedly closely under the effect of spacing subassembly, can not appear detecting unsafe problem when detecting because connecting and take place.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
FIG. 1 is a schematic top view of the pitot tube of the present invention;
FIG. 2 is a schematic side view of the limiting assembly of the present invention;
fig. 3 is the utility model discloses it constructs the schematic diagram to always press the pipe half-section.
Description of the main reference numbers:
1. a connecting pipe; 2. an alignment rod; 3. a total pressure connector; 4. a static pressure connecting port; 5. a limiting component; 51. a sleeve; 52. a limiting plate; 53. a limit nut; 54. a connecting rod; 55. positioning a rod; 6. a total pressure pipe; 61. an outer tube; 62. an inner tube; 63. total pressure holes; 7. and (4) static vents.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. In addition, for the convenience of description, the following references to "upper", "lower", "left" and "right" are to be construed as referring to the upper, lower, left, right, etc. direction of the attached drawings, and the following references to "first", "second", etc. are to be distinguished for descriptive purposes and not for other specific meanings.
In order to solve the above problems, the technical solution in the embodiments of the present application has the following general idea:
example 1:
in this embodiment, a specific structure of a pitot tube matched with an environmental monitoring apparatus is provided, as shown in fig. 1 to 3, including: connecting a pipeline; for detecting the gas flow rate; the limiting component 5 is arranged on the surface of the connecting pipeline; wherein, spacing subassembly 5 includes sleeve pipe 51, and sleeve pipe 51's one end is equipped with connecting rod 54, and limiting plate 52 has been cup jointed to the outer wall of connecting rod 54, and connecting rod 54 and the crossing department of limiting plate 52 and the one side that is close to sleeve pipe 51 are equipped with stop nut 53, and sleeve pipe 51 is close to one side of limiting plate 52 and is equipped with locating lever 55, and locating lever 55 is located the below of connecting rod 54.
By adopting the technical scheme:
the connecting rod 54 is rotated clockwise, so that the connecting rod 54 drives the limit plate 52 to move, the distance between the moving plate 52 and the sleeve 51 is increased, and the total pressure pipe 6 can be tightly contacted with the gap of the point section under the combined action of the limit plate 52 and the sleeve 51.
Example 2:
in this embodiment, a specific structure of a pitot tube matched with an environmental monitoring instrument is provided, as shown in fig. 1 to 3, in this embodiment, a connection pipeline is further described in comparison with embodiment 1; the gas flow velocity detection device is used for detecting the flow velocity of gas, the connecting pipeline comprises a total pressure pipe 6, and the total pressure pipe 6 is of an L-shaped structure and is used for detecting the gas; connecting pipe 1, it sets up in the one end of always pressing the vertical end of pipe 6, still includes simultaneously and aims at pole 2, and it sets up in the one end of connecting pipe 1 for detect always press the angle of pipe 6.
Connecting pipe 1 is hollow structure, and one side that aligning rod 2 was kept away from to connecting pipe 1 is equipped with static pressure connector 4, and one side that total pressure pipe 6 was kept away from to connecting pipe 1 is equipped with and presses connector 3 altogether, will press connector 3 and static pressure connector 4 to connect the hose respectively to with hose and pressure gauge interconnect, can make this pitot tube measure the wind speed like this.
By adopting the technical scheme:
the total pressure holes 63 should be aligned with the flow direction of the air flow as measured with the static pressure in the vertical direction of the air flow as indicated by the alignment rods 2. The measuring point inserting holes are required to avoid air leakage and prevent airflow interference on the section, and a plurality of static pressure holes 7 are arranged on one side of the total pressure pipe 6 close to the total pressure holes 63.
The working principle is as follows: in use, a section of the measuring point is first selected to ensure that the measuring point is on the straight pipe section where the airflow flows smoothly, then the total pressure pipe 6 is inserted inside the section into the straight pipe section to be detected, and the total pressure hole 63 is aligned with the flow direction of the airflow when measuring, and the static pressure is in the vertical direction of the airflow as indicated by the alignment rod 2. The measuring point insertion holes should avoid air leakage and prevent air flow interference on the cross section.
Then, the total pressure connecting port 3 and the static pressure connecting port 4 are respectively connected with a hose, and the hose and the pressure gauge are connected with each other, so that the pitot tube can measure the wind speed.
When the total pressure pipe 6 is contacted with the point section, the connecting rod 54 is rotated clockwise, so that the connecting rod 54 drives the limiting plate 52 to move, the distance between the moving plate 52 and the sleeve 51 is increased, and the total pressure pipe 6 is contacted with the notch of the point section tightly under the combined action of the limiting plate 52 and the sleeve 51.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (8)
1. A supporting pitot tube of environmental monitoring instrument which characterized in that includes:
connecting a pipeline; for detecting the gas flow rate;
a limiting component (5) arranged on the surface of the connecting pipeline;
the limiting assembly (5) comprises a sleeve (51), a connecting rod (54) is arranged at one end of the sleeve (51), a limiting plate (52) is sleeved on the outer wall of the connecting rod (54), and a limiting nut (53) is arranged at the intersection of the connecting rod (54) and the limiting plate (52) and close to one side of the sleeve (51).
2. The pitot tube of claim 1, wherein the connecting conduit comprises
The total pressure pipe (6) is of an L-shaped structure and is used for detecting gas;
and the connecting pipe (1) is arranged at one end of the vertical end of the total pressure pipe (6).
3. The pitot tube matched with the environment monitoring instrument as claimed in claim 2, further comprising an alignment rod (2) arranged at one end of the connecting tube (1) for detecting the angle of the total pressure tube (6).
4. The pitot tube matched with the environment monitoring instrument as claimed in claim 2, wherein the connecting tube (1) is of a hollow structure, a static pressure connecting port (4) is arranged on one side of the connecting tube (1) far away from the aligning rod (2), and a total pressure connecting port (3) is arranged on one side of the connecting tube (1) far away from the total pressure tube (6).
5. The environmental monitoring instrument supporting pitot tube according to claim 2, wherein the total pressure tube (6) comprises an outer tube (61) and an inner tube (62), the inner tube (62) is sleeved inside the outer tube (61), and the inner tube (62) and the outer tube (61) are of a concentric structure.
6. The pitot tube matched with the environment monitoring instrument as claimed in claim 2, wherein one side of the horizontal end of the total pressure tube (6) is provided with a total pressure hole (63).
7. The pitot tube matched with the environment monitoring instrument as claimed in claim 6, wherein a plurality of static pressure holes (7) are arranged on one side of the total pressure tube (6) close to the total pressure holes (63).
8. The environmental monitoring instrument supporting pitot tube according to claim 1, wherein a positioning rod (55) is disposed on one side of the sleeve (51) close to the limiting plate (52), and the positioning rod (55) is located below the connecting rod (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709482.0U CN218099222U (en) | 2022-10-14 | 2022-10-14 | Pitot tube matched with environment monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709482.0U CN218099222U (en) | 2022-10-14 | 2022-10-14 | Pitot tube matched with environment monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218099222U true CN218099222U (en) | 2022-12-20 |
Family
ID=84458331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222709482.0U Active CN218099222U (en) | 2022-10-14 | 2022-10-14 | Pitot tube matched with environment monitoring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218099222U (en) |
-
2022
- 2022-10-14 CN CN202222709482.0U patent/CN218099222U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105157884B (en) | Ultrasonic calorimeter | |
| CN109061219A (en) | Actual measurement device and method with reference to static pressure, wind speed and direction is provided under typhoon environment | |
| CN115435930A (en) | Three-dimensional full-parameter high-frequency probe for measuring interstage | |
| CN218099222U (en) | Pitot tube matched with environment monitoring instrument | |
| CN108195510A (en) | A kind of hot air wind tunnel calibration method of hot diaphragm type shear stress sensor | |
| CN109098995A (en) | A kind of traction electric machine cooling system air duct and draught fan performance test method and device | |
| CN204831400U (en) | Steady voltage formula low discharge wind speed amount of wind measuring device | |
| CN104730284B (en) | Sample wind speed monitoring device and the enthalpy potential method experiment detection device with it | |
| CN106840284A (en) | Based on multitube Pitot tube matrix form flow system and measuring method | |
| CN110793583A (en) | Plug-in pipeline gas measuring instrument | |
| CN214310286U (en) | Plug-in type online detection device | |
| CN209372890U (en) | A kind of Pitot tube | |
| CN212082824U (en) | Probe for measuring whole parameters of transonic three-dimensional steady-state flow field | |
| CN112345152B (en) | Probe and pressure measuring equipment with same | |
| CN201255677Y (en) | Air fluid pressure sensor | |
| CN209689689U (en) | A kind of ultrasonic gas flowmeter that can accurately measure gas flow, flow velocity | |
| CN111089704A (en) | Probe for measuring whole parameters of transonic three-dimensional steady-state flow field | |
| CN209247080U (en) | The throttling set of built-in high-precision sensor | |
| CN112362896A (en) | Flow velocity detection device based on magnetic material coupling | |
| CN108414133B (en) | The method of friction stree is measured under high temperature indirectly | |
| CN208334405U (en) | Actual measurement device with reference to static pressure, wind speed and direction is provided under typhoon environment | |
| CN208447592U (en) | The structure that is covered with dust of lung function instrument | |
| CN218822484U (en) | Three-dimensional full-parameter high-frequency probe for measuring interstage | |
| CN206095353U (en) | Absolute pressure liquid level changer | |
| CN215065007U (en) | Building structure surface wind pressure detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |