CN209525360U - Pressure difference wind speed measuring device - Google Patents
Pressure difference wind speed measuring device Download PDFInfo
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- CN209525360U CN209525360U CN201920091018.5U CN201920091018U CN209525360U CN 209525360 U CN209525360 U CN 209525360U CN 201920091018 U CN201920091018 U CN 201920091018U CN 209525360 U CN209525360 U CN 209525360U
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- inlet air
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- air nozzle
- pipe
- differential pressure
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Abstract
The utility model discloses pressure difference wind speed measuring devices, including pipe of calling prisoners in after letting them out for exercise, the first inlet air nozzle, the second inlet air nozzle, third inlet air nozzle and anemobiagraph, the pipe side of calling prisoners in after letting them out for exercise successively offers the first inlet air nozzle, the second inlet air nozzle and third inlet air nozzle from top to bottom, the first differential pressure pickup is fixedly installed at parallel first inlet air internal wall of pipe orifice in the pipe of calling prisoners in after letting them out for exercise, the second differential pressure pickup is fixedly installed in the pipe of calling prisoners in after letting them out for exercise at parallel second inlet air internal wall of pipe orifice, is fixedly installed with third differential pressure pickup at parallel third inlet air internal wall of pipe orifice in the pipe of calling prisoners in after letting them out for exercise.The first inlet air of the utility model nozzle, the second inlet air nozzle and third inlet air nozzle need to only open two open measurement when other one can be turned off manually, will not influence other inlet air nozzles and measure operation, structure is simple, easy to operate.
Description
Technical field
The utility model relates to wind speed measuring device technical field more particularly to pressure difference wind speed measuring devices.
Background technique
Wind speed apparatus for measuring air quantity is based on S-shaped Pitot tube measuring principle, and when there is air-flow flowing in pipe, windward side is bullied
Stream impact, the kinetic energy of air-flow is converted into pressure energy here, thus head-on overpressure is higher, and pressure is known as " total pressure ", back
Since not by air-flow punching press, the pressure in pipe is the static pressure in air hose, pressure is known as " static pressure ", total pressure and static pressure for wind side
Difference be known as differential pressure, size with manage in wind speed it is related, wind speed is bigger, and differential pressure is bigger；Wind speed is small, and differential pressure is also small, wind speed and poor
The relationship of pressure meets Bernoulli equation, the air intake vent that when measurement may only need open it is other close, existing air quantity is surveyed
Amount device Gas inlet tube not can be carried out single switch operation.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose pressure difference wind speed measuring device with a novel purpose, passes through the first inlet air nozzle, the second inlet air nozzle and third
Inlet air nozzle need to only open two open measurement when other one can be turned off manually, will not influence other inlet air nozzles
Operation is measured, structure is simple, easy to operate.
According to the pressure difference wind speed measuring device of the utility model embodiment, pressure difference wind speed measuring device, including pipe of calling prisoners in after letting them out for exercise,
One inlet air nozzle, the second inlet air nozzle, third inlet air nozzle and anemobiagraph, the pipe side of calling prisoners in after letting them out for exercise successively offer from top to bottom
First inlet air nozzle, the second inlet air nozzle and third inlet air nozzle are consolidated at parallel first inlet air internal wall of pipe orifice in the pipe of calling prisoners in after letting them out for exercise
Dingan County is equipped with the first differential pressure pickup, is fixedly installed with the second pressure difference biography in the pipe of calling prisoners in after letting them out for exercise at parallel second inlet air internal wall of pipe orifice
Sensor is fixedly installed with third differential pressure pickup at parallel third inlet air internal wall of pipe orifice in the pipe of calling prisoners in after letting them out for exercise.
In some embodiments of the utility model, the first inlet air nozzle, the second inlet air nozzle and third Gas inlet tube
Mouth includes rotation nozzle and static nozzle, and the rotation nozzle side is equipped with first equipped with air inlet, the rotation nozzle inside
Wind isolation board, static state nozzle inside is equipped with the second wind isolation board and the first wind isolation board and the second wind isolation board are set in parallel by shaft
It sets, described shaft one end is equipped with first baffle, and described first baffle one end is connected with the first compressed spring and the first compressed spring
The other end is connected on the first wind isolation board, and the shaft is equipped with second baffle far from the other end of first baffle.
In other embodiments of the utility model, first differential pressure pickup, the second differential pressure pickup and third
Differential pressure pickup connects anemobiagraph by data line signal.
In other embodiments of the utility model, the rotation nozzle is connected and is connected by connector with static nozzle
Interface rings are arranged with ring type seal.
In other embodiments of the utility model, one end that first wind isolation board is movably arranged on shaft is equipped with the
One sealing ring, one end that second wind isolation board is movably arranged on shaft are equipped with the second sealing ring.
In other embodiments of the utility model, described second baffle one end is connected with the second compressed spring and second
The compressed spring other end is connected on the second wind isolation board.
Beneficial effect in the utility model is: the first compressed spring and the second compressed spring can compress the first wind isolation board and
The gap that the junction of second wind isolation board is likely to occur realizes through management inlet air nozzle and measures the wind speed of different pressure differences,
The utility model is by the first inlet air nozzle, the second inlet air nozzle and third inlet air nozzle when need to only open two unlatching measurements
In addition one can be turned off manually, and will not influence other inlet air nozzles and measure operation, structure is simple, easy to operate.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 be the utility model proposes pressure difference wind speed measuring device structural schematic diagram；
Fig. 2 be the utility model proposes pressure difference wind speed measuring device the first inlet air nozzle structural schematic diagram；
Fig. 3 be the utility model proposes pressure difference wind speed measuring device A amplification structural schematic diagram；
Fig. 4 be the utility model proposes pressure difference wind speed measuring device B amplification structural schematic diagram.
In figure: the first inlet air of 1- nozzle, the first wind isolation board of 11-, the second wind isolation board of 12-, 13- shaft, 14- rotation nozzle,
15- connector, 16- ring type seal, 17- static state nozzle, 18- air inlet, 101- first baffle, the first sealing ring of 102-,
The second sealing ring of 103-, 104- second baffle, the second compressed spring of 105-, the first compressed spring of 106-, the second Gas inlet tube of 2-
Mouth, 3- third inlet air nozzle, the first differential pressure pickup of 4-, 5- are called prisoners in after letting them out for exercise pipe, the second differential pressure pickup of 6-, 7- third pressure difference sensing
Device, 8- anemobiagraph, 9- data line.
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.
Referring to Fig.1-4, pressure difference wind speed measuring device, pressure difference wind speed measuring device, including pipe 5 of calling prisoners in after letting them out for exercise, the first inlet air nozzle
1, the second inlet air nozzle 2, third inlet air nozzle 3 and anemobiagraph 8,5 side of pipe of calling prisoners in after letting them out for exercise successively offer the first inlet air from top to bottom
Nozzle 1, the second inlet air nozzle 2 and third inlet air nozzle 3 are fixedly mounted in pipe 5 of calling prisoners in after letting them out for exercise at parallel first inlet air nozzle, 1 inner wall
There is the first differential pressure pickup 4, be fixedly installed with the second differential pressure pickup 6 at parallel second inlet air nozzle, 2 inner wall in pipe 5 of calling prisoners in after letting them out for exercise,
It calls prisoners in after letting them out for exercise and is fixedly installed with third differential pressure pickup 7 in pipe 5 at parallel 3 inner wall of third inlet air nozzle, the first differential pressure pickup 4, the
Two differential pressure pickups 6 and 7 model of third differential pressure pickup are PY301 type differential pressure pickup.
First inlet air nozzle 1, the second inlet air nozzle 2 and third inlet air nozzle 3 include rotating nozzle 14 and static nozzle 17,
It rotates 14 side of nozzle and is equipped with air inlet 18, rotate and be equipped with the first wind isolation board 11 on the inside of nozzle 14, be equipped on the inside of static nozzle 17
Second wind isolation board 12 and the first wind isolation board 11 and the second wind isolation board 12 pass through shaft 13 and are arranged in parallel, and 13 one end of shaft is equipped with first
Baffle 101,101 one end of first baffle is connected with the first compressed spring 106 and 106 other end of the first compressed spring is connected to first
On wind isolation board 11, shaft 13 is equipped with second baffle 104, the first differential pressure pickup 4, second far from the other end of first baffle 101
Differential pressure pickup 6 connects anemobiagraph 8, rotation nozzle 14 and static nozzle 17 by 9 signal of data line with third differential pressure pickup 7
It is connected by connector 15 and connector 15 is around equipped with ring type seal 16, the first wind isolation board is movably arranged on the one of shaft 13
End is equipped with the first sealing ring 102, and one end that the second wind isolation board is movably arranged on shaft 13 is equipped with the second sealing ring 103, second gear
104 one end of plate is connected with the second compressed spring 105 and 105 other end of the second compressed spring is connected on the second wind isolation board 12.
Specific embodiment one:
When work, manual rotation rotates nozzle 14, and rotation nozzle 14 and static nozzle 17 are subjected to displacement by shaft 13 and are turned
Dynamic, the first wind isolation board of 14 inside of rotation nozzle rotates clockwise 180 ° by shaft 13, at this time the first wind isolation board and second every
Aerofoil forms a round partition panel equal with rotation 14 diameter of inner pipe of nozzle and thoroughly separates air inlet 18, the first sealing ring
102 and second sealing ring 103 junction of first wind isolation board and the second wind isolation board is sealed, 106 He of the first compressed spring
Second compressed spring 105 can compress the gap that the junction of the first wind isolation board and the second wind isolation board is likely to occur, and realize and pass through
Inlet air nozzle is managed to measure the wind speed of different pressure differences.
The the firstth inlet air nozzle 1 is closed, perform fighting the second inlet air nozzle 2 and third inlet air nozzle 3, the second pressure difference sensing at this time
Device 6 and third differential pressure pickup 7 measure respectively at this point for the second inlet air nozzle 2 and third inlet air nozzle 3 enter wind speed
Then it is shown on anemobiagraph 8 by the connection of data line 9.
Specific embodiment two:
The the secondth inlet air nozzle 2 is closed, perform fighting the first inlet air nozzle 1 and third inlet air nozzle 3, the first pressure difference sensing at this time
Device 4 and third differential pressure pickup 7 measure respectively at this point for the first inlet air nozzle 1 and third inlet air nozzle 3 enter wind speed
Then it is shown on anemobiagraph 8 by the connection of data line 9.
Specific embodiment three:
Third inlet air nozzle 3 is closed, perform fighting the second inlet air nozzle 2 and the first inlet air nozzle 1, the second pressure difference sensing at this time
Device 6 and the first differential pressure pickup 4 measure respectively at this point for the second inlet air nozzle 2 and the first inlet air nozzle 1 enter wind speed
Then it is shown on anemobiagraph 8 by the connection of data line 9.
The utility model need to only open two by the first inlet air nozzle 1, the second inlet air nozzle 2 and third inlet air nozzle 3
A one opened when measuring in addition can be turned off manually, and will not influence other inlet air nozzles and measure operation, structure letter
It is single, it is easy to operate.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. pressure difference wind speed measuring device, it is characterised in that: enter including pipe of calling prisoners in after letting them out for exercise, the first inlet air nozzle, the second inlet air nozzle, third
Air hose mouth and anemobiagraph, the pipe side of calling prisoners in after letting them out for exercise successively offer the first inlet air nozzle, the second inlet air nozzle and from top to bottom
Three inlet air nozzles are fixedly installed with the first differential pressure pickup, the receipts at parallel first inlet air internal wall of pipe orifice in the pipe of calling prisoners in after letting them out for exercise
The second differential pressure pickup, parallel third inlet air in the pipe of calling prisoners in after letting them out for exercise are fixedly installed in air hose at parallel second inlet air internal wall of pipe orifice
Third differential pressure pickup is fixedly installed at internal wall of pipe orifice.
2. pressure difference wind speed measuring device according to claim 1, it is characterised in that: the first inlet air nozzle, second enter
Air hose mouth and third inlet air nozzle include rotation nozzle and static nozzle, and the rotation nozzle side is equipped with air inlet, and described turn
It is equipped with the first wind isolation board on the inside of dynamic nozzle, is equipped with the second wind isolation board and the first wind isolation board and second every wind on the inside of the static state nozzle
Plate is arranged in parallel by shaft, and described shaft one end is equipped with first baffle, and described first baffle one end is connected with the first compression bullet
The spring and first compressed spring other end is connected on the first wind isolation board, the shaft are equipped with second far from the other end of first baffle
Baffle.
3. pressure difference wind speed measuring device according to claim 1, it is characterised in that: first differential pressure pickup, second
Differential pressure pickup connects anemobiagraph by data line signal with third differential pressure pickup.
4. pressure difference wind speed measuring device according to claim 2, it is characterised in that: the rotation nozzle and static nozzle are logical
Connector connection and connector are crossed around equipped with ring type seal.
5. pressure difference wind speed measuring device according to claim 2, it is characterised in that: first wind isolation board is movably arranged on
One end of shaft is equipped with the first sealing ring, and one end that second wind isolation board is movably arranged on shaft is equipped with the second sealing ring.
6. pressure difference wind speed measuring device according to claim 2, it is characterised in that: described second baffle one end is connected with
The two compressed springs and second compressed spring other end is connected on the second wind isolation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920091018.5U CN209525360U (en) | 2019-01-21 | 2019-01-21 | Pressure difference wind speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920091018.5U CN209525360U (en) | 2019-01-21 | 2019-01-21 | Pressure difference wind speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525360U true CN209525360U (en) | 2019-10-22 |
Family
ID=68228957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920091018.5U Active CN209525360U (en) | 2019-01-21 | 2019-01-21 | Pressure difference wind speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525360U (en) |
-
2019
- 2019-01-21 CN CN201920091018.5U patent/CN209525360U/en active Active
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