CN209043565U - A kind of wind-tunnel inner section flowing field stability measuring device - Google Patents
A kind of wind-tunnel inner section flowing field stability measuring device Download PDFInfo
- Publication number
- CN209043565U CN209043565U CN201821718324.9U CN201821718324U CN209043565U CN 209043565 U CN209043565 U CN 209043565U CN 201821718324 U CN201821718324 U CN 201821718324U CN 209043565 U CN209043565 U CN 209043565U
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- detection bar
- wind
- belt
- driving
- inner section
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Abstract
The utility model discloses a kind of wind-tunnel inner section flowing field stability measuring device, the vertical driving mechanism moved up and down including support frame, detection bar and driving detection bar；Wherein, the detection bar is horizontally disposed on the support frame, and the detection bar is equipped with the air velocity transducer of multiple spaced sets；The vertical driving mechanism is constituted by motor on the support frame and belt gear is arranged, the belt gear includes driving wheel, driving belt and the driven wheel with the power output axis connection of motor, the driving wheel and driven wheel are separately positioned on the lower end and upper end of support frame, driving belt is circumferentially positioned between driving wheel and driven wheel, and the detection bar is fixedly connected on driving belt.The utility model automatically controls detection bar by motor and moves back and forth up and down, and can neatly adjust measurement position, manually adjust without experimenter, easy to operate, and measurement result is accurate.
Description
Technical field
The utility model relates to a kind of wind-tunnel fluid experiment equipment, and in particular to a kind of wind-tunnel inner section flowing field stability survey
Measure device.
Background technique
Wind-tunnel is to generate and control in a manual manner air-flow, for the flowing of simulated flight device or entity ambient gas
Situation, and can measure air-flow to the function and effect of entity and observe physical phenomenon a kind of pipe-like experimental facilities, it be into
Row aerodynamic experiment is the most frequently used, one of most effective tool, starts gradually to be widely used in every field.
In order to guarantee the accuracy of experimental result, there are very high requirement, such as air-flow to the flowing field stability of wind tunnel experiment section
The VELOCITY DISTRIBUTION uniformity, mean air flow direction deviate size, the barometric gradient and air-flow along wind-tunnel axis direction of wind-tunnel axis
The parameters such as turbulivity have to comply with certain standard, and need periodically to carry out inspection measurement.Current some measurements detect hand
The generally existing equipment operation of section is cumbersome, data poor synchronization, the deficiencies of measurement error is big place, and to overcome disadvantages mentioned above, having must
It is proposed a kind of easy to operate and efficient wind-tunnel inner section flowing field stability measuring device.
Utility model content
The utility model aim is to overcome the deficiencies of the prior art and provide a kind of wind-tunnel inner section flowing field stability measurement
Device, the measuring device can accurately and efficiently measure the flowing field stability of wind-tunnel inner section, and easy to operate.
The purpose of this utility model is achieved through the following technical solutions:
A kind of wind-tunnel inner section flowing field stability measuring device, which is characterized in that including support frame, detection bar and driving
The vertical driving mechanism that detection bar moves up and down；Wherein, the detection bar is horizontally disposed on the support frame, sets in the detection bar
There is the air velocity transducer of multiple spaced sets；The vertical driving mechanism is by being arranged motor and belt biography on the support frame
Motivation structure constitute, the belt gear include with the driving wheel of the power output axis connection of motor, driving belt and from
Driving wheel, the driving wheel and driven wheel are separately positioned on the lower end and upper end of support frame, and driving belt is circumferentially positioned at driving wheel
Between driven wheel, the detection bar is fixedly connected on driving belt.
The working principle of above-mentioned wind-tunnel inner section flowing field stability measuring device is:
When work, the wind-tunnel inner section flowing field stability measuring device of the utility model is placed in wind tunnel experiment room.
After generating air-flow in wind tunnel experiment room, the motor is worked by positive and negative rotation, driving wheel rotation is driven, so that driving belt band
Dynamic detection bar pumps, at this point, the air velocity transducer in detection bar persistently examines the air-flow in wind tunnel experiment room
It surveys, and measured data is transferred in background system, thus obtain the inner section flowing field stability of the wind tunnel laboratory
Concrete condition.
One preferred embodiment of the utility model, wherein support frame as described above includes two support rods being oppositely arranged, described
Detection bar is arranged between two support rods.Two support rods of support frame can be allowed to be placed on two in wind tunnel experiment room in this way
Side effectively reduces influence of the support rod to the air-flow in wind tunnel experiment room, and detection bar is allowed to be located at the centre of wind tunnel laboratory,
Be conducive to the flowing field stability that the air velocity transducer in detection bar accurately measures air-flow.
Preferably, the support rod includes fixed part and the pars contractilis that can move along vertical direction, the fixed part
The rotary fastenings for being locked in pars contractilis on fixed part are equipped between pars contractilis.By the way that the branch that can be stretched up and down is arranged
Strut, so that whole device can adapt to the wind tunnel laboratory of different type size, it is adaptable；Meanwhile it being locked by rotation
Part can control the release and locking of pars contractilis, easy to operate, be conducive to the installation and removal of device.
Preferably, the top and bottom of the support rod are equipped with rectangular fixed block, the cross-sectional area ratio of the fixed block
Fixed part and pars contractilis are big.By the setting of fixed block, entire support frame is enabled more to be securely placed in wind tunnel experiment
It is indoor, it is ensured that measurement is normally carried out.
One preferred embodiment of the utility model, the vertical driving mechanism further includes drive rod, the belt drive
There are two structures；Wherein, the motor is disposed therein the lower end outside of a support rod；The drive rod setting is supported at two
Between the lower end of bar, and wherein one end passes through the power output axis connection of shaft coupling and motor, the lower end of the other end and support rod
Rotation connection；The driven wheel of two belt gears is separately positioned on the upper end of two support rods, and driving wheel is correspondingly arranged at
On drive rod；The both ends of the detection bar are respectively fixedly connected on the driving belt of two belt gears.Pass through setting
Two belt gears, enable detection bar accurately to pump, and are conducive to improve flowing field stability
Measurement result.
Preferably, the both ends of the detection bar are fixedly connected on the inside of the driving belt of two belt gears.This
Sample is capable of the connecting portion of effective protection detection bar and belt, prolongs the service life.
One preferred embodiment of the utility model, the air velocity transducer are vertically arranged with detection bar, and wind speed senses
The front of device is arranged windward.It can be conducive to the inner section process stability for sufficiently measuring air-flow in this way.
One preferred embodiment of the utility model, the driving belt are synchronous belt, and the mobile accuracy of synchronous belt is high, favorably
Precision is moved up and down in raising detection bar, to improve measurement accuracy.
One preferred embodiment of the utility model, the detection bar is equipped with the mounting hole of multiple spaced sets, described
Multiple air velocity transducers are separately positioned on multiple mounting holes.By the setting of mounting hole, convenient for air velocity transducer installation and
Disassembly.
The utility model has the advantages that compared with prior art
1, the utility model automatically controls detection bar by motor and moves back and forth up and down, and can neatly adjust measurement position
It sets, is manually adjusted without experimenter, it is easy to operate, and measurement result is accurate.
2, the utility model installs air velocity transducer by detection bar, and the qualitative effects of stream field are small during the experiment,
So that measurement result precision is high, data synchronism is strong.
3, the overall structure of the utility model is simple, is easily installed, shifts carrying, disassembly, occupies little space after packing up, at
This is low, easy to spread universal, provides a kind of more reliable convenient and fast test device for researcher.
Detailed description of the invention
Fig. 1 is the solid of one of embodiment of the wind-tunnel inner section flowing field stability measuring device of the utility model
Structural schematic diagram.
Fig. 2 is the schematic perspective view of the support rod in Fig. 1.
Fig. 3 is the main view of the detection bar in Fig. 1.
Specific embodiment
The utility model is further described below with reference to embodiment and attached drawing, but the embodiments of the present invention is not
It is only limitted to this.
Referring to figures 1-3, the wind-tunnel inner section flowing field stability measuring device of the present embodiment, including support frame, detection bar 1
And the vertical driving mechanism that driving detection bar 1 moves up and down；Wherein, the detection bar 1 is horizontally disposed on the support frame, described
Detection bar 1 is equipped with the air velocity transducer 2 of multiple spaced sets；The vertical driving mechanism is by being arranged electricity on the support frame
Machine 5 and belt gear are constituted, the belt gear include with the driving wheel 8 of the power output axis connection of motor 5,
Driving belt 4 and driven wheel 7, the driving wheel 8 are separately positioned on the lower end and upper end of support frame with driven wheel 7, are driven skin
Band 4 is circumferentially positioned between driving wheel 8 and driven wheel 7, and the detection bar 1 is fixedly connected on driving belt 4.
Referring to Fig. 1, support frame as described above includes two support rods being oppositely arranged 3, and the setting of detection bar 1 is supported at two
Between bar 3.Two support rods 3 of support frame can be allowed to be placed on the two sides in wind tunnel experiment room in this way, effectively reduce support rod 3
Influence to the air-flow in wind tunnel experiment room, and detection bar 1 is allowed to be located at the centre of wind tunnel laboratory, be conducive in detection bar 1
Air velocity transducer 2 accurately measure the flowing field stability of air-flow.
Referring to Fig. 1, the support rod 3 includes fixed part 3-4 and can be along the pars contractilis 3-2 that vertical direction moves, institute
State the rotary fastenings 3- being equipped between fixed part 3-4 and pars contractilis 3-2 for being locked in pars contractilis 3-2 on fixed part 3-4
3.By the way that the support rod 3 that can be stretched up and down is arranged, so that whole device can adapt to the wind tunnel laboratory of different type size, fit
Ying Xingqiang；Meanwhile the release and locking of pars contractilis 3-2 can be controlled by rotary fastenings 3-3, and it is easy to operate, be conducive to
The installation and removal of device.The rotary fastenings 3-3 can be made of screw, and the fixed part 3-4 is equipped with and screw mates
Threaded hole；When pars contractilis 3-2 is moved to desired position, pars contractilis 3-2 can be locked, be grasped by tightening screw
It is simple to make convenient and structure.
Referring to Fig. 1 and Fig. 2, the top and bottom of the support rod 3 are equipped with rectangular fixed block 3-1, fixed block 3-1
Cross-sectional area it is bigger than fixed part 3-4 and pars contractilis 3-2.By the setting of fixed block 3-1, enable entire support frame more
It is securely placed in wind tunnel experiment room, it is ensured that measurement is normally carried out.
Referring to Fig. 1, the vertical driving mechanism further includes drive rod 6, and there are two the belt gears；Wherein, institute
State the lower end outside that motor 5 is disposed therein a support rod 3；The drive rod 6 be arranged in two support rods 3 lower end it
Between, and wherein one end passes through the power output axis connection of shaft coupling and motor 5, the lower end rotation connection of the other end and support rod 3；
The driven wheel 7 of two belt gears is separately positioned on the upper end of two support rods 3, and driving wheel 8 is correspondingly arranged at drive rod 6
On；The both ends of the detection bar 1 are respectively fixedly connected on the driving belt 4 of two belt gears.Pass through setting two
Belt gear enables detection bar 1 accurately to pump, and is conducive to the measurement for improving flowing field stability
As a result.
Referring to Fig. 1, the both ends of the detection bar 1 are fixedly connected on the interior of the driving belt 4 of two belt gears
Side.It is capable of the connecting portion of effective protection detection bar 1 and belt in this way, prolongs the service life.
Referring to Fig. 1, the air velocity transducer 2 is vertically arranged with detection bar 1, and the positive cloth windward of air velocity transducer 2
It sets.It can be conducive to the inner section process stability for sufficiently measuring air-flow in this way.
The driving belt 4 of the present embodiment is synchronous belt, and the mobile accuracy of synchronous belt is high, is conducive to improve the upper of detection bar 1
Lower mobile accuracy, to improve measurement accuracy.
Referring to Fig. 3, the detection bar 1 is equipped with the mounting hole 1-1 of multiple spaced sets, the multiple air velocity transducer
2 are separately positioned on multiple mounting hole 1-1.By the setting of mounting hole 1-1, convenient for the installation and removal of air velocity transducer 2.
Referring to figures 1-3, the working principle of the wind-tunnel inner section flowing field stability measuring device of the present embodiment is:
When work, the wind-tunnel inner section flowing field stability measuring device of the utility model is placed in wind tunnel experiment room.
After generating air-flow in wind tunnel experiment room, the motor 5 is worked by positive and negative rotation, and driving wheel 8 is driven to rotate, so that transmission skin
Band 4 drives detection bar 1 to pump, at this point, the air velocity transducer 2 in detection bar 1 is persistently to the gas in wind tunnel experiment room
Stream is detected, and measured data are transferred in background system, to obtain the inner section flow field of the wind tunnel laboratory
The concrete condition of stability.
Above-mentioned is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above content
It limits, change, modification, substitution, combination, the letter made under other any spiritual essence and principles without departing from the utility model
Change, should be equivalent substitute mode, be included within the protection scope of the utility model.
Claims (9)
1. a kind of wind-tunnel inner section flowing field stability measuring device, which is characterized in that including support frame, detection bar and driving inspection
The vertical driving mechanism that measuring staff moves up and down；Wherein, the detection bar is horizontally disposed on the support frame, and the detection bar is equipped with
The air velocity transducer of multiple spaced sets；The vertical driving mechanism is by being arranged motor and belt transmission on the support frame
Mechanism is constituted, and the belt gear includes and the driving wheel of the power output axis connection of motor, driving belt and driven
Wheel, the driving wheel and driven wheel are separately positioned on the lower end and upper end of support frame, driving belt be circumferentially positioned at driving wheel and
Between driven wheel, the detection bar is fixedly connected on driving belt.
2. wind-tunnel inner section flowing field stability measuring device according to claim 1, which is characterized in that support frame as described above packet
Two support rods being oppositely arranged are included, the detection bar is arranged between two support rods.
3. wind-tunnel inner section flowing field stability measuring device according to claim 2, which is characterized in that the support rod packet
The pars contractilis that includes fixed part and can move along vertical direction is equipped between the fixed part and pars contractilis for by pars contractilis
The rotary fastenings being locked on fixed part.
4. wind-tunnel inner section flowing field stability measuring device according to claim 3, which is characterized in that the support rod
Top and bottom are equipped with rectangular fixed block, and the cross-sectional area of the fixed block is bigger than fixed part and pars contractilis.
5. wind-tunnel inner section flowing field stability measuring device according to claim 4, which is characterized in that the vertical driving
Mechanism further includes drive rod, and there are two the belt gears；Wherein, the motor is disposed therein under a support rod
End outside；The drive rod is arranged between the lower end of two support rods, and wherein one end passes through the power of shaft coupling and motor
Export axis connection, the lower end rotation connection of the other end and support rod；The driven wheel of two belt gears is separately positioned on two
The upper end of a support rod, driving wheel are correspondingly arranged on drive rod；The both ends of the detection bar are respectively fixedly connected in two skins
On the driving belt of tape handler.
6. wind-tunnel inner section flowing field stability measuring device according to claim 5, which is characterized in that the detection bar
Both ends are fixedly connected on the inside of the driving belt of two belt gears.
7. wind-tunnel inner section flowing field stability measuring device according to claim 6, which is characterized in that the driving belt
For synchronous belt.
8. wind-tunnel inner section flowing field stability measuring device according to claim 1-7, which is characterized in that described
Air velocity transducer is vertically arranged with detection bar, and the front of air velocity transducer is arranged windward.
9. wind-tunnel inner section flowing field stability measuring device according to claim 8, which is characterized in that in the detection bar
Mounting hole equipped with multiple spaced sets, the multiple air velocity transducer are separately positioned on multiple mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821718324.9U CN209043565U (en) | 2018-10-23 | 2018-10-23 | A kind of wind-tunnel inner section flowing field stability measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821718324.9U CN209043565U (en) | 2018-10-23 | 2018-10-23 | A kind of wind-tunnel inner section flowing field stability measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043565U true CN209043565U (en) | 2019-06-28 |
Family
ID=67037017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821718324.9U Expired - Fee Related CN209043565U (en) | 2018-10-23 | 2018-10-23 | A kind of wind-tunnel inner section flowing field stability measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450974A (en) * | 2019-07-15 | 2019-11-15 | 中国农业大学 | A kind of indoor checking system and method for more rotor plant protection drone application performances |
-
2018
- 2018-10-23 CN CN201821718324.9U patent/CN209043565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450974A (en) * | 2019-07-15 | 2019-11-15 | 中国农业大学 | A kind of indoor checking system and method for more rotor plant protection drone application performances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20211023 |