CN209559463U - A kind of wind-tunnel inner section air monitoring device and monitoring system - Google Patents
A kind of wind-tunnel inner section air monitoring device and monitoring system Download PDFInfo
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- CN209559463U CN209559463U CN201920508673.6U CN201920508673U CN209559463U CN 209559463 U CN209559463 U CN 209559463U CN 201920508673 U CN201920508673 U CN 201920508673U CN 209559463 U CN209559463 U CN 209559463U
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Abstract
The utility model discloses a kind of wind-tunnel inner section air monitoring devices and monitoring system, wherein, the wind-tunnel inner section air monitoring device includes mounting bracket and swings survey blower structure, and the mounting bracket includes support base, vertical supporting bar and several transverse support bars；It is described to swing that survey blower structure include surveying windshield plate, the survey windshield plate that is used to support surveyed between windshield plate and the transverse support bar is arranged in remaining that vertical state does the swinging support mechanism of pendulum motion and the testing agency for detecting the swing angle for surveying windshield plate under the action of the wind, wherein, the front face area for surveying windshield plate is S, self weight is G, swing angle θ.The wind-tunnel inner section air monitoring device can real-time and accurately determine the wind speed of wind-tunnel inner section everywhere, and the structure of the wind-tunnel inner section air monitoring device is simple, cheap, convenient for promoting the use of.
Description
Technical field
The utility model relates to wind tunnel speeds to measure field, and in particular to a kind of wind-tunnel inner section air monitoring device and prison
Examining system.
Background technique
Wind-tunnel is most widely used tool in aerodynamic studies and test, is to generate and control in a manual manner
Air-flow processed, for simulated flight device or the mobility status of entity ambient gas, and can measure air-flow to the function and effect of entity with
And observation physical phenomenon a kind of pipe-like experimental facilities, air by powerful a fan system or other modes blow over by
Object is surveyed, sensor appropriate is installed on testee to measure air force, pressure distribution or other and aerodynamics
Relevant characterisitic parameter.
There are three ways to during wind tunnel experiment, anemometry is an important content, usually measures wind speed: heat
Formula probe measuring wind speed, vane type probe measuring wind speed, pitot tube type measuring wind speed.But three kinds of measurement methods have respective correspondence
Applicable anemometry range and measurement accuracy limitation are difficult to only use a kind of measurement method and just complete wind-tunnel from small wind speed to big
The accurate measure of the change of wind speed larger range wind speed, in part, wind speed range has large error, and then it is real to influence subsequent wind-tunnel
Test result.Although there is part to be specially adapted for the anemometry instrument of wind-tunnel whole process wind speed at present, these instrument and equipments are usual
It involves great expense, installs and uses also complex, be unfavorable for widely promoting the use of.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of wind-tunnel inner section air monitoring dress
It sets, the wind-tunnel inner section air monitoring device can real-time and accurately determine the wind speed of wind-tunnel inner section everywhere, and the wind
The structure of hole inner section air monitoring device is simple, cheap, convenient for promoting the use of.
Second of the utility model is designed to provide a kind of wind using above-mentioned wind-tunnel inner section air monitoring device
Hole inner section air monitoring system, the wind-tunnel inner section air monitoring system can carry out the real-time wind speed of wind-tunnel inner section
It monitors and objective reference can be provided to wind-tunnel flow field stability according to the result of monitoring.
The technical solution that the utility model solves above-mentioned technical problem is:
A kind of wind-tunnel inner section air monitoring device, including mounting bracket and several pendulum being arranged in mounting bracket
It is dynamic to survey blower structure, wherein
The mounting bracket includes support base, the vertical supporting bar being arranged in support base and several lateral branch
Strut, wherein the vertical supporting bar is vertically arranged in the support base, and the transverse support bar is horizontally set on described
On vertical supporting bar；It is described to swing the length direction setting for surveying blower structure along the transverse support bar；
It is described to swing that survey blower structure include surveying windshield plate, being arranged in survey between windshield plate and the transverse support bar and be used for
The survey windshield plate is supported to remain that vertical state is done the swinging support mechanism of pendulum motion and is used under the action of the wind
Detect the testing agency of the swing angle for surveying windshield plate, wherein described to survey putting down in windshield plate with the wind-tunnel inner section
Capable side is the windward side of the survey windshield plate, when the survey windshield plate does pendulum motion under the action of the wind, the survey wind
The windward side of baffle is parallel with wind-tunnel inner section always.
Preferably, the swinging support mechanism is parallel four-bar linkage, and the parallel four-bar linkage includes setting vertically
The upper fixed link and bottom lever set and preceding rotating bar and rear rotating bar for connecting fixed bar and bottom lever,
Wherein, fixed bar is mounted in the transverse support bar, and vertically-mounted position is provided in the bottom lever, described
Survey the lower section that windshield plate is vertically installed at the parallel four-bar linkage by vertically-mounted position；The preceding rotating bar turns with rear
One end of lever and fixed bar are rotatablely connected, and the other end and the bottom lever are rotatablely connected；The testing agency is
Angular transducer, the angular transducer are mounted at fixed bar, before detecting the parallel four-bar linkage
Rotational angle between rotating bar or/and rear rotating bar and upper fixed link determines the swing angle for surveying windshield plate.
Preferably, the vertical supporting bar is two, and two vertical supporting bars are arranged in parallel, and the transverse support bar is more
Root, more transverse support bars are vertically arranged along the length direction of the vertical supporting bar, and the both ends of the transverse support bar point
It is not connect with the vertical supporting bar；Multiple mounting holes are equidistantly provided in every transverse support bar；Described several, which are swung, to be surveyed
The upper fixed link of blower structure is separately mounted on each mounting hole.
Preferably, the vertical supporting bar and transverse support bar are made of telescopic rod, and the telescopic rod is equipped with and is used for
To the regulating mechanism that the length of the telescopic rod is adjusted, the regulating mechanism includes the threaded hole being arranged on the telescopic rod
And the positioning screw with threaded hole cooperation.
Preferably, by ultralow between the preceding rotating bar or/and rear rotating bar and upper fixed link or/and bottom lever
Friction bearing rotation connection.
Preferably, between the preceding rotating bar or/and rear rotating bar and upper fixed link that the angular transducer measures in real time
The scope of application of rotational angle is 0 ° to 90 °.
A kind of wind-tunnel inner section air monitoring system, including the wind-tunnel inner section air monitoring device, setting are described
Rotational angle monitoring system and ground monitoring system on blower structure are surveyed in the swing of wind-tunnel inner section air monitoring device,
In, the rotational angle monitoring system includes for the monitoring to the angle change state for surveying blower structure progress real-time monitoring is swung
Module, data memory module and wireless communication module for being stored to monitoring data, wherein the monitoring modular packet
Rotational angle monitoring unit is included, the rotational angle monitoring unit is by the angular transducer structure in several described test points
At, wherein each swing surveys blower structure and constitutes a test point；The ground monitoring system include for wind-tunnel inner section
The ground communication module that is communicated between air monitoring device and for that will be received from wind-tunnel inner section air monitoring device
To the message processing module that is handled of real-time rotational angle variation monitoring information.
A kind of wind-tunnel inner section air monitoring method, comprising the following steps:
A, the longitudinal bracing pole length and transverse direction in suitable mounting bracket are reasonably selected according to the sectional dimension of wind-tunnel
Pole length sum number amount is supported, determines the vertical spacing H of each layer transverse support bar, it is ensured that H > h, wherein the h is preceding rotating bar
Or/and the length of rear rotating bar, then start to build mounting bracket in wind-tunnel；
B, wind speed testing scheme is determined, in the survey windshield plate and appropriate number of wind-tunnel for having chosen suitable weight specification mating
Section air monitoring device is installed to each installation site in transverse support bar, and the front face area for surveying windshield plate is S, from
Weight is G；
C, survey calculation goes out the atmospheric density ρ in wind-tunnel, is input in wind-tunnel inner section air monitoring system, in wind-tunnel
Section air monitoring system carries out testing preceding debugging, guarantees rotational angle monitoring system, ground monitoring system and wind-tunnel control
System Three Party Communication is normal, and it is normal that data-link receives processing；
D, wind-tunnel normal boot-strap outlet air, the long-range wind-tunnel inner section air monitoring device that controls are started to work；
E, it surveys windshield plate and is affected by the wind and start that parallel four-bar linkage is driven to be swung, wind-tunnel inner section air monitoring
Angular transducer in device starts the variation to the rotational angle θ between preceding rotating bar or/and rear rotating bar and upper fixed link
It is recorded in real time, obtained data information is stored in data memory module in real time；
F, the rotational angle data that data memory module stores are back to ground monitoring system by wireless communication module in real time；
G, the message processing module of ground monitoring system carries out processing analysis to data, obtains the real-time of each measurement point position
Wind speed V0；
H, message processing module carries out confluence analysis processing to the wind speed information of each measurement point position simultaneously, and then obtains wind
Mean wind speed size, effective wind speed regional scope, turbulence level and the uniform and stable property in the hole section.
Preferably, in step g, the real-time wind speed V of the measurement point position0It is public by the wind speed pressure dependence of Bernoulli equation
Formula and the real-time stress analytical formula Fitting Analysis for surveying windshield plate obtain, specific formula for calculation are as follows:
In formula, V0For the real-time wind speed for testing point, unit m/s；G is the gravity for surveying windshield plate, unit kN；θ is
Rotational angle between preceding rotating bar or/and rear rotating bar and upper fixed link, unit are °；S is the front face area for surveying windshield plate,
Unit is m2；ρ is the atmospheric density in wind-tunnel, unit t/m3；The uniform and stable property of wind-tunnel inner section wind speed passes through each test
The size of the coefficient of variation CV value of position-finding air speed value is put to characterize, the coefficient of variation is smaller, indicates that the wind speed in same section is uniform
Stability is better, the calculation formula of the coefficient of variation CV are as follows:
In formula, Sd is to test collecting sample standard deviation with group；ViFor each test point wind speed, unit m/s；VIt is flatFor each group
The wind speed average value of experimental test point, unit m/s；N is that each group tests ventilation measuring point position number.
Preferably, in step c, the calculation formula of the atmospheric density ρ are as follows:
ρ=0.0125e-0.0001z
In formula, z is the height above sea level of testing location, unit m；Alternatively, the atmospheric density ρ can be according to temperature, humidity
After air pressure function call to air bulk density γ, conversion calculating is carried out in conjunction with local gravity acceleration g.
The utility model have compared with prior art it is below the utility model has the advantages that
1, the wind-tunnel inner section air monitoring device of the utility model is different from traditional survey wind devices instrument, in the wind-tunnel
Section air monitoring device can measure atmospheric density before and substitute into subsequent analytical calculation, can be effectively reduced by big temperature
The variation of ambient pressure caused by degree, humidity etc. and caused by error to adapt to a variety of atmospheric environments improve measurement accuracy.
2, the wind-tunnel inner section air monitoring device of the utility model can not only quickly and accurately measure wind-tunnel inner section
The wind speed size of single linear measurement point position in region can also carry out the measurement analysis of the air speed data of the more gradients in section,
And module by wireless communication allows air speed data to be transmitted to backstage in time.
3, the wind-tunnel inner section air monitoring device overall structure of the utility model is simple, small in size, not only reduce by
Monitoring device own vol bring flow field error, the precision of monitoring result is higher, and easy to use and flexible, it is only necessary to replace
The weight for surveying windshield plate can realize wind-tunnel from small wind speed to the accurate measure of the change of big wind speed larger range wind speed.
4, the wind-tunnel inner section air monitoring device easy maintenance of the utility model, is easily installed, dismantles, at low cost, easily
In popularizing.A kind of quick test mode of novelty is provided for precise measurement air speed data, can be navigated in agricultural production, aviation
It, the fields such as environmental monitoring play a significant role.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment of the wind-tunnel inner section air monitoring device of the utility model.
Fig. 2 is the structural schematic diagram of mounting bracket shown in FIG. 1.
Fig. 3 is the structural schematic diagram shown in FIG. 1 for swinging and surveying blower structure.
Fig. 4 is the force analysis figure for surveying windshield plate.
Fig. 5 is the structural block diagram of the wind-tunnel inner section air monitoring system of the utility model.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
Referring to figures 1-4, the wind-tunnel inner section air monitoring device of the utility model includes that mounting bracket 1 and setting exist
Blower structure 2 is surveyed in swing in mounting bracket 1, wherein the mounting bracket 1 includes support base 11, is arranged in support base 11
On vertical supporting bar 12 and several transverse support bars 13, wherein the vertical supporting bar 12 is vertically arranged in the branch
It supports on pedestal 11, the transverse support bar 13 is horizontally set on the vertical supporting bar 12；The swing survey blower structure 2 along
The length direction of the transverse support bar 13 is arranged, and it includes surveying windshield plate 21, being arranged and surveying windshield plate 21 which, which surveys blower structure 2,
The survey windshield plate 21 that is used to support between the transverse support bar 13 remains that vertical state is done under the action of the wind
The testing agency 23 of the swinging support mechanism 22 of pendulum motion and the swing angle for detecting the survey windshield plate 21,
In, the side parallel with the wind-tunnel inner section surveyed in windshield plate 21 is the windward side of the survey windshield plate 21, when described
When survey windshield plate 21 does pendulum motion under the action of the wind, the windward side for surveying windshield plate 21 is flat with wind-tunnel inner section always
The front face area of row, the survey windshield plate 21 is S, is self-possessed for G.
In monitoring process, the weight for surveying windshield plate 21 is accurate and not unique, depending on there are many wind speed sizes to be tested
The survey windshield plate 21 of the corresponding weight specification of difference is available, while each air monitoring being required to use all survey windscreens of installation
Plate 21 is necessary for same weight specification, and weight error to each other is no more than 0.2%.
Referring to figures 1-4, the swinging support mechanism 22 is parallel four-bar linkage, and the parallel four-bar linkage includes
The upper fixed link 221 and bottom lever 222 that are vertically arranged and for connecting fixed bar 221 and bottom lever 222
Preceding rotating bar 223 and rear rotating bar 224, wherein fixed bar 221 is mounted in the transverse support bar 13, under described
Vertically-mounted position is provided on oscillating rod 222, the survey windshield plate 21 is vertically installed at described flat by vertically-mounted position
The lower section of row four-bar mechanism；The length of the preceding rotating bar 223 and rear rotating bar 224 is h, which turns with rear
One end of lever 224 and fixed bar 221 are rotatablely connected, and the other end and the bottom lever 222 are rotatablely connected；The inspection
Mechanism 23 is surveyed to be mounted at fixed bar 221, by detect the parallel four-bar linkage preceding rotating bar 223 or/and
Afterwards the rotational angle θ between rotating bar 224 and upper fixed link 221 come determine it is described survey windshield plate 21 swing angle.In this way, institute
Parallel four-bar linkage can be driven to do freely swing after stating the windward side wind-engaging power effect for surveying windshield plate 21, and in swing process
In, the survey windshield plate 21 remains vertical state, so that wind-force can survey meeting for windshield plate 21 described with perpendicular acting
On wind face, to improve the precision of measurement.Due to the architectural characteristic of parallel four-bar linkage, the angle of oscillation for surveying windshield plate 21
Degree is equal with the preceding rotating bar 223 of the parallel four-bar linkage or/and the rear rotational angle θ of rotating bar 224, therefore, passes through
The rotational angle θ of preceding rotating bar 223 described in 23 real-time detection of testing agency or/and rear rotating bar 224 can be obtained by the survey
The real-time swing angle of windshield plate 21.Further, since the kinetic characteristic of parallel four-bar linkage, so that the survey windshield plate 21
During doing pendulum motion under the action of the wind, the survey windshield plate 21 remains vertical state.Make the survey in this way
The front face area S of windshield plate 21 remains constant, so as to improve the precision of the subsequent wind speed for calculating each test point.
Referring to figures 1-4, the testing agency 23 in the present embodiment is angular transducer.
Referring to figures 1-4, the vertical supporting bar 12 is two, and two vertical supporting bars 12 are arranged in parallel, the transverse direction
Support rod 13 is more, and more transverse support bars 13 are vertically arranged along the length direction of the vertical supporting bar 12, and the cross
It is connect respectively with the vertical supporting bar 12 to the both ends of support rod 13；Multiple peaces are equidistantly provided in every transverse support bar 13
Fill hole 131；The multiple upper fixed link 221 for swinging survey blower structure 2 is mounted on the mounting hole 131.Make this reality in this way
The single linear measurement point position in wind-tunnel inner section region can be not only measured with novel wind-tunnel inner section air monitoring device
Wind speed size, and the wind speed size of the measurement point of each position in wind-tunnel inner section region can be measured.
Referring to figures 1-4, the vertical supporting bar 12 and transverse support bar 13 are made of telescopic rod, on the telescopic rod
Equipped with the regulating mechanism being adjusted for the length to the telescopic rod, the regulating mechanism includes being arranged on the telescopic rod
Threaded hole and with the threaded hole cooperation positioning screw 14.In this way, the transverse support bar 13 and vertical supporting bar 12
Length can be adaptively adjusted according to the size of wind-tunnel inner section, thus be suitable for different cross section size wind-tunnel.
Referring to figures 1-4, the preceding rotating bar 223 or/and rear rotating bar 224 and upper fixed link 221 or/and bottom lever
It is rotatablely connected by ultra-low friction bearing between 222.
Referring to figures 1-4, the angular transducer measures in real time preceding rotating bar 223 or/and rear rotating bar 224 with it is upper solid
The scope of application of rotational angle θ between fixed pole 221 is 0 ° to 90 °.
Referring to Fig. 1-Fig. 5, the wind-tunnel inner section wind speed using wind-tunnel inner section air monitoring device of the utility model is supervised
Examining system includes the wind-tunnel inner section air monitoring device, the swing survey that the wind-tunnel inner section air monitoring device is arranged in
Rotational angle monitoring system 3 and ground monitoring system 4 on blower structure 2, wherein the rotational angle monitors system 3 and includes
For carrying out the monitoring modular 31 of real-time monitoring to the angle change state for swinging survey blower structure 2, for being carried out to monitoring data
The data memory module 32 and wireless communication module 33 of storage, wherein the monitoring modular 31 includes that rotational angle monitoring is single
Member 311, the rotational angle monitoring unit 311 are made of the angular transducer of several test points；The ground monitoring
System 4 includes ground communication module 41 for being communicated between wind-tunnel inner section air monitoring device and for will be from wind
The message processing module that the real-time rotational angle variation monitoring information received on the inner section air monitoring device of hole is handled
42.Among the above mentioned rotational angle monitoring system 3 and and ground monitoring system 4 be referred to existing device and implement.
Referring to Fig. 1-Fig. 5, the wind-tunnel inner section air monitoring method of the utility model the following steps are included:
A, 12 length of vertical supporting bar and cross in suitable mounting bracket 1 are reasonably selected according to the sectional dimension of wind-tunnel
To 13 length of support rod and quantity, the vertical spacing H of each layer transverse support bar 13 is determined, it is ensured that H > h starts to take in wind-tunnel
Build mounting bracket 1；
B, wind speed testing scheme is determined, the survey windshield plate 21 and appropriate number of wind speed for having chosen suitable weight specification mating
Monitoring device is installed on each mounting hole 131 in transverse support bar 13；
C, survey calculation goes out the atmospheric density ρ in wind-tunnel, is input in wind-tunnel inner section air monitoring system, in wind-tunnel
Section air monitoring system carries out testing preceding debugging, guarantees rotational angle monitoring system 3, ground monitoring system 4 and wind-tunnel control
System Three Party Communication processed is normal, and it is normal that data-link receives processing；
D, wind-tunnel normal boot-strap outlet air, the long-range wind-tunnel inner section air monitoring device that controls are started to work；
E, it surveys windshield plate 21 and is affected by the wind and start that parallel four-bar linkage is driven to be swung, wind-tunnel inner section wind speed prison
The angular transducer surveyed in device starts to the rotation between preceding rotating bar 223 or/and rear rotating bar 224 and upper fixed link 221
The variation of angle, θ is recorded in real time, and obtained data information is stored in real time in data memory module 32；
F, the rotational angle data that data memory module 32 stores are back to ground monitoring by wireless communication module 33 in real time
System 4；
G, the message processing module 42 of ground monitoring system 4 carries out processing analysis to data, obtains the reality of a measurement point position
When wind speed V0；
H, message processing module 42 carries out confluence analysis processing to the wind speed information of each measurement point position simultaneously, and then obtains
The information such as mean wind speed size, effective wind speed regional scope, turbulence level and the uniform and stable property in the wind-tunnel section.
Wherein, in step g, the real-time wind speed V of the measurement point position0By the wind speed pressure relationship equation of Bernoulli equation
It is obtained with the real-time stress analytical formula Fitting Analysis for surveying windshield plate 21, specific formula for calculation are as follows:
In formula, V0For the real-time wind speed for testing point, unit m/s；G is the gravity for surveying windshield plate 21, unit kN；θ
For the rotational angle between preceding rotating bar 223 or/and rear rotating bar 224 and upper fixed link 221, unit is °；S is to survey windshield plate
21 front face area, unit m2；ρ is the atmospheric density in wind-tunnel, unit t/m3；Wherein, referring to fig. 4, to survey windshield plate 21
Carry out force analysis, it is known thatThe FWindFor the wind-force size at each test point, each, which swings, surveys blower
Structure 2 constitutes a test point；The change that the uniform and stable property of wind-tunnel inner section wind speed passes through each test point position-finding air speed value
Different coefficient CV value size characterizes, and the coefficient of variation is smaller, indicate that the uniform and stable property of the wind speed in same section is better, the variation lines
The calculation formula of number CV are as follows:
In formula, Sd is to test collecting sample standard deviation with group；ViFor each test point wind speed, unit m/s；VIt is flatFor each group
Experimental test point wind speed average value, unit m/s；N is that each group tests ventilation measuring point position number.
Wherein, in step c, the calculation formula of the atmospheric density ρ are as follows:
ρ=0.0125e-0.0001z (4)
Z is the height above sea level of testing location, unit m in formula；Meanwhile the atmospheric density ρ can also be according to temperature, wet
After degree and air pressure function call to air bulk density γ, conversion calculating is carried out in conjunction with local gravity acceleration g.
Above-mentioned is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above content
It limits, it is made under other any spiritual essence and principles without departing from the utility model to change, modification, substitution, combine, letter
Change, should be equivalent substitute mode, be included within the protection scope of the utility model.
Claims (7)
1. a kind of wind-tunnel inner section air monitoring device, including mounting bracket and several swings being arranged in mounting bracket
Survey blower structure, which is characterized in that
The mounting bracket includes support base, the vertical supporting bar being arranged in support base and several cross-braces
Bar, wherein the vertical supporting bar is vertically arranged in the support base, and the transverse support bar is horizontally set on described vertical
To on support rod；It is described to swing the length direction setting for surveying blower structure along the transverse support bar；
The survey blower structure that swings includes surveying windshield plate, being arranged in and survey being used to support between windshield plate and the transverse support bar
The survey windshield plate remains that vertical state does the swinging support mechanism of pendulum motion and for detecting under the action of the wind
The testing agency of the swing angle for surveying windshield plate, wherein parallel with the wind-tunnel inner section in the survey windshield plate
Side is the windward side of the survey windshield plate, when the survey windshield plate does pendulum motion under the action of the wind, the survey windshield plate
Windward side it is parallel with wind-tunnel inner section always.
2. wind-tunnel inner section air monitoring device according to claim 1, which is characterized in that the swinging support mechanism is
Parallel four-bar linkage, the parallel four-bar linkage include the upper fixed link being vertically arranged and bottom lever and for connecting
The preceding rotating bar and rear rotating bar of fixed bar and bottom lever, wherein fixed bar is mounted on the laterally branch
On strut, vertically-mounted position is provided in the bottom lever, the survey windshield plate is vertically-mounted by vertically-mounted position
In the lower section of the parallel four-bar linkage；One end of the preceding rotating bar and rear rotating bar and the rotation of fixed bar connect
It connects, the other end and the bottom lever are rotatablely connected；The testing agency is angular transducer, and the angular transducer is mounted on
At fixed bar, by detect the parallel four-bar linkage preceding rotating bar or/and rear rotating bar and upper fixed link it
Between rotational angle come determine it is described survey windshield plate swing angle.
3. wind-tunnel inner section air monitoring device according to claim 1, which is characterized in that the vertical supporting bar is two
Root, two vertical supporting bars are arranged in parallel, and the transverse support bar is more, and more transverse support bars are along the longitudinal bracing
The length direction of bar is vertically arranged, and the both ends of the transverse support bar are connect with the vertical supporting bar respectively；Every is laterally propped up
Multiple mounting holes are equidistantly provided on strut；Several described upper fixed links for swinging survey blower structure are separately mounted to each installation
Kong Shang.
4. wind-tunnel inner section air monitoring device according to claim 3, which is characterized in that the vertical supporting bar and cross
It is made of to support rod telescopic rod, the telescopic rod is equipped with the adjusting machine being adjusted for the length to the telescopic rod
Structure, the regulating mechanism include the threaded hole being arranged on the telescopic rod and the positioning screw with threaded hole cooperation.
5. wind-tunnel inner section air monitoring device according to claim 2, which is characterized in that the preceding rotating bar or/and
It is rotatablely connected afterwards by ultra-low friction bearing between rotating bar and upper fixed link or/and bottom lever.
6. wind-tunnel inner section air monitoring device according to claim 2, which is characterized in that the angular transducer is real-time
The scope of application of the rotational angle between preceding rotating bar or/and rear rotating bar and upper fixed link measured is 0 ° to 90 °.
7. a kind of wind-tunnel inner section air monitoring system using wind-tunnel inner section air monitoring device as claimed in claim 6,
It is characterised in that it includes the wind-tunnel inner section air monitoring device, the wind-tunnel inner section air monitoring device is arranged in
Swing the rotational angle monitoring system and ground monitoring system surveyed on blower structure, wherein the rotational angle monitors system packet
It includes for carrying out the monitoring modular of real-time monitoring, for depositing to monitoring data to the angle change state for swinging survey blower structure
The data memory module and wireless communication module of storage, wherein the monitoring modular includes rotational angle monitoring unit, and described turn
Dynamic angle monitor unit is made of the angular transducer in several described test points, wherein blower structure structure is surveyed in each swing
At a test point；The ground monitoring system includes for being communicated between wind-tunnel inner section air monitoring device
Ground communication module and for will be received from wind-tunnel inner section air monitoring device real-time rotational angle variation monitoring letter
Cease the message processing module handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508673.6U CN209559463U (en) | 2019-04-12 | 2019-04-12 | A kind of wind-tunnel inner section air monitoring device and monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508673.6U CN209559463U (en) | 2019-04-12 | 2019-04-12 | A kind of wind-tunnel inner section air monitoring device and monitoring system |
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| CN209559463U true CN209559463U (en) | 2019-10-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855835A (en) * | 2019-04-12 | 2019-06-07 | 安阳全丰生物科技有限公司 | A kind of wind-tunnel inner section air monitoring device, monitoring system and monitoring method |
| CN113899914A (en) * | 2021-09-24 | 2022-01-07 | 煤炭科学技术研究院有限公司 | Folding full-section wind meter |
-
2019
- 2019-04-12 CN CN201920508673.6U patent/CN209559463U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855835A (en) * | 2019-04-12 | 2019-06-07 | 安阳全丰生物科技有限公司 | A kind of wind-tunnel inner section air monitoring device, monitoring system and monitoring method |
| CN113899914A (en) * | 2021-09-24 | 2022-01-07 | 煤炭科学技术研究院有限公司 | Folding full-section wind meter |
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