CN207689516U - A kind of air speed measuring apparatus - Google Patents
A kind of air speed measuring apparatus Download PDFInfo
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- CN207689516U CN207689516U CN201820100748.2U CN201820100748U CN207689516U CN 207689516 U CN207689516 U CN 207689516U CN 201820100748 U CN201820100748 U CN 201820100748U CN 207689516 U CN207689516 U CN 207689516U
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- rotary cylinder
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- measuring apparatus
- air speed
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Abstract
The utility model discloses a kind of air speed measuring apparatus, belong to environment measuring instrument field and are compared with existing anemobiagraph, air speed measuring apparatus measurement error smaller disclosed by the utility model, its key points of the technical solution are that：Including pedestal, rotary cylinder is equipped in the pedestal, several big vanes are uniformly provided on the rotary cylinder, it is inserted with rotation axis in the rotary cylinder, the rotation axis is equipped with several small vanes, and the top of the rotary cylinder is equipped with height along the uniform raised compensating plate of rotary cylinder contour, the rotation axis is equipped with the compensation axis contradicted on compensating plate, the lower end of the rotation axis is equipped with end plate, and the pedestal is equipped with the baffle for contradicting end plate, further includes conversion equipment.The rotating speed of small vane feeds back to rotary cylinder by compensating plate and compensation axis, and rotary cylinder can respond wind speed variation, reduce the error brought due to the inertia of rotary cylinder and big vane faster.
Description
Technical field
The utility model is related to environment measuring instrument field, more particularly to a kind of air speed measuring apparatus.
Background technology
Wind speed measurement is the important part in environment measuring, is mainly detected to the horizontal wind speed in environment, in turn
Assess atmospheric condition.Air speed measuring apparatus is a kind of common wind speed measuring device, its type is more, and the most commonly used is vane
Formula airspeedometer.
Currently, the Chinese patent that notification number is CN202710594U discloses a kind of anemobiagraph, it includes main body, rotatably
Ground is mounted on the base；Vane component is installed in rotation on the top of the main body；Balancing device is fixedly installed on described
The lower part of main body；The balancing device can be driven the main body to be swung relative to the junction of the pedestal by gravity,
The main body is kept to be in plumbness.
Above-mentioned anemobiagraph blows the rotation realization of vane component by the wind in environment and is detected to the wind speed in environment, wind
Speed is bigger, and the rotation of vane component is faster, but when wind speed reduces, vane component will not subtract immediately due to self inertia effect
Speed causes the error of wind speed measurement larger.
Utility model content
The purpose of this utility model is to provide a kind of air speed measuring apparatus, its advantage is that the error of wind speed measurement is small.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of air speed measuring apparatus,
Including pedestal, it is equipped with rotary cylinder in the pedestal, is uniformly provided with several big vanes on the rotary cylinder, is plugged in the rotary cylinder
There are rotation axis, the rotation axis to be equipped with several small vanes, the top of the rotary cylinder is equal along rotary cylinder contour equipped with height
Even raised compensating plate, the rotation axis are equipped with the compensation axis contradicted on compensating plate, and the lower end of the rotation axis is equipped with end
Plate, the pedestal are equipped with the baffle for contradicting end plate, further include conversion equipment.
Through the above technical solutions, pedestal is used to be mounted on the position for needing to survey wind speed, speed measuring device is for responding environment
In wind speed, conversion equipment is used to wind velocity signal standard being changed to electric signal.Rotary cylinder can rotate on pedestal, and rotation axis can turn
Rotation in dynamic cylinder, when blowing air over, wind pushes big vane and the rotation of small vane, big vane to drive rotary cylinder rotation, small vane
Rotation axis rotation is driven, big vane and small vane are in the same direction, therefore rotary cylinder is identical with the rotation direction of rotation axis, and compensation axis contradicts
On compensating plate, the height of compensating plate is uniformly increased along the circumferential of rotary cylinder, opposite when occurring between rotary cylinder and rotation axis
When rotation, compensation axis moves on compensating plate, and then changes the axial distance between rotary cylinder and rotation axis.When wind speed becomes larger
When, since small vane and rotation axis quality are smaller, rotation axle speed is promoted faster, and compensation axis is contradicted in the side of compensating plate
Wall, compensation axis push rotary cylinder rotation, accelerate the promotion of rotary cylinder speed, improve response speed of the rotary cylinder rotating speed to wind speed,
When wind speed change is small, the inertia of small vane and rotation axis is smaller, therefore the rotating speed of rotation axis reduces faster, and compensation axis is compensating
It is slided on plate, rotation axis relatively rotates cylinder and relatively moves, and end plate contradicts on baffle, and friction is generated between baffle and end plate
Power, the frictional force slow down the rotation of rotary cylinder by compensating plate and compensation axis, improve response speed of the rotary cylinder rotating speed to wind speed,
When therefore measuring wind speed using the air speed measuring apparatus, measurement error smaller.
The utility model is further arranged to：The conversion equipment includes the coding disk being arranged on rotary cylinder, the volume
Be uniformly provided with several light holes along its circumferential direction on code-disc, the pedestal be located at coding disk two side positions be respectively equipped with it is sharp
Light device and photoelectric sensor.
Through the above technical solutions, coding disk and rotary cylinder rotate synchronously, and when coding disk rotates, the thang-kng on coding disk
Hole is once by between laser and photoelectric sensor, when light hole, laser and photoelectric sensor are in a straight line,
The light that laser is sent out can pass through light hole and be received by photoelectric sensor, and photoelectric sensor is sent out after receiving optical signal
Pulse signal, the pulse signal that photoelectric sensor is sent out is directly proportional to the rotating speed of coding disk and rotary cylinder, that is, realizes wind speed
Be converted to electric signal output.
The utility model is further arranged to：The baffle is equipped with friction plate by the side of proximal plate, on the friction plate
Equipped with felt plate.
Through the above technical solutions, when ambient wind velocity reduces, rotation axis is upward due to the effect of compensating plate and compensation axis
Movement, end plate contradict on felt plate, and felt plate can be that end plate improves larger frictional force, be convenient for rotation axis by rotary cylinder
Rotating speed lowers.
The utility model is further arranged to：To be detachably connected between the end plate and rotation axis, set on the end plate
There are connecting cylinder, the one end of the connecting cylinder far from end plate to be equipped with the elastic claw of several threaded connections on the rotating shaft.
Through the above technical solutions, being threadedly coupled the connection for realizing end plate and rotation axis on the rotating shaft by elastic claw, turn
Moved end plate can be adjusted the position of end plate on the rotating shaft, therefore the position that end plate can be adjusted flexibly according to actual conditions to hold
Plate can be in best operating position.
The utility model is further arranged to：The connecting cylinder outside screw is connected with retaining ring, is set in the retaining ring
It is useful for contradicting the push plate of elastic claw.
Through the above technical solutions, when turn retaining ring, along the axial movement of connecting cylinder, push plate contradicts to exist retaining ring
In elastic claw, when retaining ring is moved towards end plate, push plate pushes elastic claw to shrink and hold tightly rotation axis, and connecting cylinder is not easy in rotation axis
Upper rotation, the position relationship between end plate and rotation axis are fixed.
The utility model is further arranged to：The circumferential direction that the strong wind cup edge rotary cylinder is uniformly provided with three, described small
Vane is uniformly provided with three along the circumferential direction of rotation axis.
Through the above technical solutions, there are three vane and small vane are respectively provided with greatly, make while can guarantee using function
It must install, is easily manufactured.
The utility model is further arranged to：Rolling bearing is equipped between the rotary cylinder and pedestal.
Through the above technical solutions, rolling bearing reduces the frictional force between rotary cylinder and pedestal, facilitate rotary cylinder
Rotation.
The utility model is further arranged to：The rotary cylinder is equipped with awning.
It can be rotated on rotary cylinder and with rotary cylinder through the above technical solutions, awning is arranged, awning is used for pair
Rolling bearing carries out rain-proof so that rainwater is not easy to fall the performance that rolling bearing is influenced on rolling bearing.
In conclusion the utility model has the advantages that：
1, by the way that rotation axis is arranged in rotary cylinder, small vane is set in rotation axis, utilizes small vane and rotation axis quality
Smaller property carries out feedback compensation to the rotation of rotary cylinder, improves the response speed that rotary cylinder rotating speed changes wind speed, reduces
Error in measuring wind speed；
2, it is realized by the coding disk and laser and photoelectric sensor that are arranged on rotary cylinder and converts wind velocity signal
For digital signal, convenient for reading and handle；
3, end plate is connected on the rotating shaft by elastic claw, and the position of end plate can be adjusted along the axial direction of rotation axis
Whole, retaining ring is for locking elastic claw, therefore the using flexible of end plate and not easily to fall off.
Description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the structural schematic diagram that connection relation between rotary cylinder and rotation axis is embodied in the present embodiment；
Fig. 4 is the enlarged drawing at B in Fig. 3.
Reference numeral：1, pedestal；2, rotary cylinder；3, big vane；4, rotation axis；5, small vane；6, compensating plate；7, it compensates
Axis；8, end plate；9, baffle；10, conversion equipment；11, coding disk；12, light hole；13, laser；14, photoelectric sensor；15、
Friction plate；16, felt plate；17, connecting cylinder；18, elastic claw；19, retaining ring；20, push plate；21, rolling bearing；22, awning.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：With reference to figure 1, a kind of air speed measuring apparatus, including pedestal 1, pedestal 1 are equipped with rotary cylinder 2, and rotary cylinder 2 can
It being rotated on pedestal 1, rotary cylinder 2 is equipped with big vane 3, and big vane 3 is uniformly provided with three along the circumferential direction of rotary cylinder 2,
When blowing air over, wind blows big vane 3 and rotary cylinder 2 rotates, and wind speed is bigger, and the rotating speed of rotary cylinder 2 is bigger.
With reference to figure 3, conversion equipment 10 is equipped in pedestal 1, conversion equipment 10 is used to the rotating speed of rotary cylinder 2 being converted to telecommunications
Number.Conversion equipment 10 includes the coding disk 11 being arranged on rotary cylinder 2, and coding disk 11 is above-mentioned equipped with several light holes 12, several
Light hole 12 is evenly arranged along the circumferential direction of coding disk 11.Pedestal 1 be located at coding disk 11 two side positions be respectively equipped with it is sharp
Light device 13 and photoelectric sensor 14, for laser 13 for sending out optical signal, photoelectric sensor 14 can when receiving optical signal
Output electric pulse signal.Coding disk 11 and rotary cylinder 2 rotate synchronously, when coding disk 11 rotates, the light hole on coding disk 11
12 pass sequentially through between laser 13 and photoelectric sensor 14, when light hole 12, laser 13 and photoelectric sensor 14 are in one
When on straight line, the light that laser 13 is sent out can pass through light hole 12 and be received by photoelectric sensor 14, photoelectric sensor
14 receive optical signal after send out pulse signal, the pulse signal that photoelectric sensor 14 is sent out and coding disk 11 and rotary cylinder 2
Rotating speed is directly proportional, that is, realizes wind speed being converted to electric signal output.
With reference to figure 3, rolling bearing 21 is equipped between the rotary cylinder 2 and pedestal 1, rolling bearing 21 reduces rotary cylinder 2
With the frictional force between pedestal 1, facilitate the rotation of rotary cylinder 2.Rotary cylinder 2 is equipped with awning 22, and awning 22 is tapered, prevents
Canopy 22 can follow rotary cylinder 2 to rotate, and awning 22 is used to carry out rain-proof to rolling bearing 21 so that rainwater is not easy to fall and roll
The performance of rolling bearing 21 is influenced on dynamic bearing 21.Rotation axis 4 is equipped in rotary cylinder 2, rotation axis 4 can rotate in rotary cylinder 2,
Rotation axis 4 is equipped with small vane 5, and small vane 5 is uniformly provided with three, when blowing air over, wind along the circumferential direction of rotation axis 4
It blows small vane 5 and rotation axis 4 rotates, wind speed is bigger, and the rotating speed of rotation axis 4 is bigger.The concave direction of small vane 5 and big vane
3 concave direction is consistent, therefore when blowing air over, and big vane 3 is consistent with the rotation direction of small vane 5, i.e., rotary cylinder 2 and turn
The rotation direction of moving axis 4 is consistent.
With reference to figure 1 and Fig. 2, the top of rotary cylinder 2 is equipped with compensating plate 6, the height of compensating plate 6 along rotary cylinder 2 circumference
Direction uniformly increases, and compensating plate 6 is opposite with the rotation direction of rotation axis 4 along the raised direction of height.When wind speed becomes larger, by
It is smaller in small vane 5 and 4 mass of rotation axis, therefore 4 speed of rotation axis is promoted faster, compensation axis 7 is contradicted in the side of compensating plate 6
Wall, compensation axis 7 push rotary cylinder 2 to rotate, accelerate the promotion of 2 speed of rotary cylinder, improve response speed of 2 rotating speed of rotary cylinder to wind speed
Degree.When wind speed change is small, the inertia of small vane 5 and rotation axis 4 is smaller, therefore the rotating speed of rotation axis 4 reduces faster, compensates axis
7 slide on compensating plate 6, and rotation axis 4 relatively rotates cylinder 2 and relatively moves, and rotation axis 4 is raised.With reference to figure 3 and Fig. 4, rotation
The bottom of axis 4 is equipped with end plate 8, and the bottom of pedestal 1 is equipped with baffle 9, and baffle 9 is equipped with friction plate 15, and friction plate 15 is equipped with hair
Felt plate 16, when rotation axis 4 is raised, end plate 8, which follows, to be raised and is contacted with felt plate 16, is generated and is rubbed between felt plate 16 and end plate 8
The rotation that power slows down end plate 8 is wiped, that is, slows down the rotation of rotation axis 4, rotation axis 4 is slowed down by compensating plate 6 with the contact of compensation axis 7
The rotation of rotary cylinder 2, therefore when wind speed reduces, the speed of rotation axis 4 reduces soon, and the response that rotary cylinder 2 changes wind speed is fast,
Reduce the error of measuring wind speed.
With reference to figure 4, to be detachably connected between end plate 8 and rotation axis 4, specifically, end plate 8 is equipped with connecting cylinder 17, even
Connect cylinder 17 is equipped with several elastic claws 18, and connecting cylinder 17 and elastic claw 18 are threaded in rotation axis 4, installation, the dismounting of end plate 8
It is convenient.When rotating end plate 8, end plate 8 can be along the axial movement of rotation axis 4, therefore end plate 8 is in 4 axial direction of rotation axis
On position it is adjustable, the position that end plate 8 can be adjusted flexibly according to actual conditions enables end plate 8 to be in best working position
It sets.17 outside screw of connecting cylinder is connected with retaining ring 19, and retaining ring 19 is equipped with push plate 20, and push plate 20 contradicts in elastic claw 18,
When turn retaining ring 19, retaining ring 19 along connecting cylinder 17 axial movement, push plate 20 contradict in elastic claw 18, work as retaining ring
19 towards end plate 8 when moving, and push plate 20 pushes elastic claw 18 to shrink and simultaneously holds rotation axis 4 tightly, and connecting cylinder 17 is not easy to turn in rotation axis 4
Dynamic, the position relationship between end plate 8 and rotation axis 4 is fixed.
Action process and operation principle：When wind speed becomes larger, since small vane 5 and 4 mass of rotation axis are smaller, rotation
4 speed of axis is promoted faster, and compensation axis 7 contradicts the side wall in compensating plate 6, and compensation axis 7 pushes rotary cylinder 2 to rotate, accelerates rotary cylinder 2
The promotion of speed improves response speed of 2 rotating speed of rotary cylinder to wind speed.When wind speed becomes it is small when, small vane 5 and rotation axis 4
Inertia is smaller, therefore the rotating speed of rotation axis 4 reduces faster, and compensation axis 7 slides on compensating plate 6, and rotation axis 4 relatively rotates cylinder 2
It relatively moves, rotation axis 4 is raised, and end plate 8, which follows, to be raised and contacted with hair chopping block, is generated between felt plate 16 and end plate 8
Frictional force slows down the rotation of end plate 8, that is, slows down the rotation of rotation axis 4, and rotation axis 4 is subtracted by compensating plate 6 with the contact of compensation axis 7
The rotation of slow rotary cylinder 2, therefore when wind speed reduces, the speed of rotation axis 4 reduces fast, the response that rotary cylinder 2 changes wind speed
Soon, the error of measuring wind speed is reduced.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of air speed measuring apparatus, which is characterized in that including pedestal (1), it is equipped with rotary cylinder (2) in the pedestal (1), described turn
It is uniformly provided with several big vanes (3) on dynamic cylinder (2), is inserted with rotation axis (4) in the rotary cylinder (2), on the rotation axis (4)
Equipped with several small vanes (5), the top of the rotary cylinder (2) is equipped with height along the uniformly raised compensation of rotary cylinder (2) contour
Plate (6), the rotation axis (4) are equipped with the compensation axis (7) contradicted on compensating plate (6), and the lower end of the rotation axis (4) is equipped with
End plate (8), the pedestal (1) are equipped with the baffle (9) for contradicting end plate (8), further include conversion equipment (10).
2. air speed measuring apparatus according to claim 1, which is characterized in that the conversion equipment (10) includes that setting is rotating
Coding disk (11) on cylinder (2) is uniformly provided with several light holes (12) on the coding disk (11) along its circumferential direction, described
Two side positions that pedestal (1) is located at coding disk (11) are respectively equipped with laser (13) and photoelectric sensor (14).
3. air speed measuring apparatus according to claim 1, which is characterized in that the baffle (9) sets by the side of proximal plate (8)
There are friction plate (15), the friction plate (15) to be equipped with felt plate (16).
4. air speed measuring apparatus according to claim 1, which is characterized in that being between the end plate (8) and rotation axis (4) can
Dismantling connection, the end plate (8) are equipped with connecting cylinder (17), and the one end of the connecting cylinder (17) far from end plate (8) is equipped with several
The elastic claw (18) being threaded in rotation axis (4).
5. air speed measuring apparatus according to claim 4, which is characterized in that connecting cylinder (17) outside screw is connected with lock
Tight ring (19), the retaining ring (19) are equipped with the push plate (20) for contradicting elastic claw (18).
6. air speed measuring apparatus according to claim 1, which is characterized in that the big vane (3) along rotary cylinder (2) week
To being uniformly provided with three, the small vane (5) is uniformly provided with three along the circumferential direction of rotation axis (4).
7. air speed measuring apparatus according to claim 1, which is characterized in that be equipped between the rotary cylinder (2) and pedestal (1)
Rolling bearing (21).
8. air speed measuring apparatus according to claim 7, which is characterized in that the rotary cylinder (2) is equipped with awning (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820100748.2U CN207689516U (en) | 2018-01-20 | 2018-01-20 | A kind of air speed measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820100748.2U CN207689516U (en) | 2018-01-20 | 2018-01-20 | A kind of air speed measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207689516U true CN207689516U (en) | 2018-08-03 |
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ID=62992090
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820100748.2U Active CN207689516U (en) | 2018-01-20 | 2018-01-20 | A kind of air speed measuring apparatus |
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| CN (1) | CN207689516U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201685A (en) * | 2018-08-24 | 2019-01-15 | 苏州友裕精密科技有限公司 | A kind of vent cabinet can detecte air quantity |
| CN109410487A (en) * | 2018-12-19 | 2019-03-01 | 王伟 | A kind of high-end devices equipped with infrared monitoring warning device |
| CN110333368A (en) * | 2019-08-12 | 2019-10-15 | 贵州商学院 | A kind of novel wind-cup type airspeedometer |
| CN111307205A (en) * | 2020-02-10 | 2020-06-19 | 自然资源部第三海洋研究所 | Measuring device and measuring method for beach surface sediment movement |
-
2018
- 2018-01-20 CN CN201820100748.2U patent/CN207689516U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201685A (en) * | 2018-08-24 | 2019-01-15 | 苏州友裕精密科技有限公司 | A kind of vent cabinet can detecte air quantity |
| CN109410487A (en) * | 2018-12-19 | 2019-03-01 | 王伟 | A kind of high-end devices equipped with infrared monitoring warning device |
| CN110333368A (en) * | 2019-08-12 | 2019-10-15 | 贵州商学院 | A kind of novel wind-cup type airspeedometer |
| CN111307205A (en) * | 2020-02-10 | 2020-06-19 | 自然资源部第三海洋研究所 | Measuring device and measuring method for beach surface sediment movement |
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