CN201955985U - Wind tunnel demonstration device - Google Patents
Wind tunnel demonstration device Download PDFInfo
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- CN201955985U CN201955985U CN2010206592626U CN201020659262U CN201955985U CN 201955985 U CN201955985 U CN 201955985U CN 2010206592626 U CN2010206592626 U CN 2010206592626U CN 201020659262 U CN201020659262 U CN 201020659262U CN 201955985 U CN201955985 U CN 201955985U
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Abstract
The utility model provides a wind tunnel demonstration device, which comprises a cylindrical wind tunnel and a ragtop. The cylindrical wind tunnel comprises a wind inlet section, a test section and a wind outlet section. The wind inlet section is provided with a wind inlet pipe, a plurality of smoke generators, a master control cabinet, a platform control cabinet, an upper computer and a sound box of the upper computer. The ragtop is supported and fixed at the test section by a three-degree-of-freedom platform. The wind outlet section is provided with a plurality of aspiration channels and a plurality of suction fans. The three-degree-of-freedom platform and the suction fans are electrically connected with the master control cabinet. The master control cabinet comprises a programmable logic controller (PLC), a plurality of frequency converters and coders. The frequency converters are electrically connected with the suction fans. The coders are arranged on the suction fans. The upper computer receives an acquired signal of the PLC, and outputs a real-time control signal for the three-degree-of-freedom platform, the smoke generator, the suction fans and the sound box. The wind tunnel demonstration device has the advantages of enabling tourists to experience the influence of air resistance on an automobile which is run at high speed by the disturbance of smoke on an automobile body, along with low cost and direct effects.
Description
Technical field
The utility model relates to the wind-tunnel control system, particularly a kind of wind-tunnel apparatus for demonstrating.
Background technology
At present, when museum puts on display vehicle, the visitor is sitting in the car and drives, car body can not have corresponding inclination during visitor's steering wheel rotation, open the variation of the degree of depth along with throttle, can't experience the variation of wind speed and engine speed, and the wind when following automobilism and the sound of engine and brake, and the visitor in the vehicle outside can not observe more and experiences the influence of air resistance for the automobile in running at high speed.Simultaneously, museum puts on display the relevant knowledge that vehicle can't be showed " aerodynamics " intuitively to the visitor.
The utility model content
The purpose of this utility model is to overcome the defective that existing technology exists, and providing a kind of can allow the visitor know from experience the influence of air resistance for automobile in running at high speed by the disturbance of smog on car body, and cost is low, and effect is the wind-tunnel apparatus for demonstrating intuitively.
For achieving the above object, the wind-tunnel apparatus for demonstrating that the utility model provides, comprise a cylindrical shape wind-tunnel and a phaeton, wherein said cylindrical shape wind-tunnel comprises wind inlet section, test section and wind outlet section, between the described test section at middle part and wind inlet section, be provided with the air-supply wall, be provided with the air draught wall between described test section and the wind outlet section
Described wind inlet section is equipped with blast pipe, several aerosol producers, overhead control cabinet, platform switch board, host computer and sound equipment thereof,
Described blast pipe is provided with air inlet, rectification section and converging portion successively, and described converging portion is equipped with honeycomb and damping screen successively, and described aerosol producer is provided with nozzle and air door is housed at converging portion, and described air door links to each other with described overhead control cabinet electricity;
Described phaeton is supported and fixed on the test section at described cylindrical shape wind-tunnel middle part by 3-dimensional freedom platform, and described 3-dimensional freedom platform links to each other with described platform switch board electricity;
Described wind outlet section is equipped with some aspiration channels and air draught blower fan, and described aspiration channel end is provided with air outlet, and described air draught blower fan links to each other with described overhead control cabinet electricity;
Described overhead control cabinet comprises the PLC controller that links to each other successively with described host computer, some frequency converters and scrambler, described frequency converter links to each other with air draught blower fan electricity, described scrambler is installed on the described air draught blower fan, described phaeton is provided with control loop and safe emergency set, and described control loop links to each other with described PLC controller electricity with safe emergency set;
Described host computer receives the acquired signal of described PLC controller and output to the real-time control signal of described 3-dimensional freedom platform, aerosol producer, air draught blower fan and sound equipment.
The utility model wind-tunnel apparatus for demonstrating, wherein said cylindrical shape wind-tunnel length are that 13.5 meters, height are that 3.5 meters, diameter are 4.8 meters, adopt the thick acrylic sheet material of 35mm to make, and described test section has 6 meters long transparent section.
The utility model wind-tunnel apparatus for demonstrating is equipped with wire gauze and window shutter successively in the wherein said air inlet.
The utility model wind-tunnel apparatus for demonstrating, wherein said air outlet is equipped with sound suppressor.
The utility model wind-tunnel apparatus for demonstrating, wherein said air-supply wall and air draught wall adopt the thick acrylic sheet material of 35mm to make.
The utility model wind-tunnel apparatus for demonstrating, wherein said blast pipe and aspiration channel adopt epoxy resin or engineering plastics to make.
The utility model wind-tunnel apparatus for demonstrating, wherein said aerosol producer, nozzle and air door are provided with 4 covers.
The utility model wind-tunnel apparatus for demonstrating, wherein said frequency converter, air draught blower fan and aspiration channel respectively are provided with 3, and described air draught blower fan is an axial flow type, 3 Chinese character pin-shaped arrangements, power is 7.5kw.
The utility model wind-tunnel apparatus for demonstrating, wherein said control loop adopts wire communication to be connected with safe emergency set and described PLC controller, and described host computer adopts wireless telecommunications to be connected with described PLC controller.
The utility model wind-tunnel apparatus for demonstrating, wherein said host computer adopt favour Pu computing machine, and described PLC controller adopts Siemens S7-300.
The advantage of the utility model wind-tunnel apparatus for demonstrating is: because phaeton is arranged in the cylindrical shape wind-tunnel, the cylindrical shape wind-tunnel is equipped with blast pipe, discharge pipe, the air draught blower fan, aerosol producer, the overhead control cabinet, the platform switch board, host computer and sound equipment thereof, when the visitor enters wind-tunnel, be sitting in when driving in the car, open the variation of the degree of depth along with throttle, can significantly experience the variation of wind speed and engine speed, car body can have corresponding inclination during visitor's steering wheel rotation, vibration sense when experiencing automobilism, the cylindrical shape wind-tunnel can spray the white smoke bar, the smog bar is along with the airflow in the wind-tunnel forms many alternate white smoke streams at car surface, the wind during simultaneously with automobilism and the sound of engine and brake, the visitor can experience real automobile and quicken by quickening or deceleration-operation, slow down, brake, start and wait the interactive audio that brings.And the outer exhibition section visitor of wind-tunnel can be by observing smog lines in the wind-tunnel, observe and experience the influence of air resistance for the automobile in running at high speed, vivid " wind-tunnel " test haze effect has been showed aerodynamic relevant knowledge to the visitor. the utility model wind-tunnel apparatus for demonstrating has produced demonstrates effect intuitively, and the cost of device is lower.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, in the hope of the purpose of this utility model, feature and advantage are obtained more deep understanding.
Description of drawings
Fig. 1 is the front view of the utility model wind-tunnel apparatus for demonstrating;
Fig. 2 is the vertical view of the utility model wind-tunnel apparatus for demonstrating;
Fig. 3 is the A-A cut-open view among Fig. 1;
Fig. 4 is the B-B cut-open view among Fig. 1;
Fig. 5 a is circular synoptic diagram for the honeycomb section;
Fig. 5 b is tetragonal synoptic diagram for the honeycomb section;
Fig. 5 c is hexagonal synoptic diagram for the honeycomb section;
Fig. 6 is the control principle figure of system.
Embodiment
Referring to Fig. 1 and Fig. 2, the utility model wind-tunnel apparatus for demonstrating comprises a cylindrical shape wind-tunnel 8 and a phaeton 2, and cylindrical shape wind-tunnel 8 comprises wind inlet section, test section and wind outlet section, between the test section at middle part and wind inlet section, be provided with air-supply wall 17, be provided with air draught wall 18 between test section and the wind outlet section.Cylindrical shape wind-tunnel 8 length are that 13.5 meters, height are that 3.5 meters, diameter are 4.8 meters, adopt the thick acrylic sheet material of 35mm to make, and test section is to have 6 meters long transparent section.Air-supply wall 17 and air draught wall 18 adopt the thick acrylic sheet material of 35mm to make.
Wind inlet section is equipped with blast pipe 14, aerosol producer 15, overhead control cabinet 10, platform switch board 12, host computer and sound equipment 16 thereof.
Phaeton 2 is supported and fixed on the test section at cylindrical shape wind-tunnel 8 middle parts by 3-dimensional freedom platform 3, and 3-dimensional freedom platform 3 and platform switch board 12 electricity link to each other.
In conjunction with Fig. 3 and Fig. 4, wind outlet section is equipped with the air draught blower fan 5 of 3 aspiration channels 4 and 3 Chinese character pin-shaped arrangements, and aspiration channel 4 ends are provided with air outlet 1.Air draft directly is disposed to air outlet 1.Air outlet 1 is equipped with sound suppressor.Air draught blower fan 5 is an axial flow type, power 7.5kw, and wind speed range is set at 0 meter per second-15 meter per second, and the variation that can follow throttle is adjustable.Air draught blower fan 5 links to each other with overhead control cabinet 1 electricity.
Referring to Fig. 6, overhead control cabinet 10 comprises PLC controller, scrambler and 3 frequency converters that link to each other successively with host computer, and frequency converter links to each other with air draught blower fan 5 electricity.Scrambler is installed on the air draught blower fan 5.Host computer adopts wireless telecommunications to be connected with the PLC controller.
Phaeton 2 is provided with control loop and safe emergency set.Control loop comprises driving panel, range tie, Throttle Opening Control etc., can be electric signal output with direction of operating, throttle amplitude transition.Safe emergency set comprises control knob etc., control knob etc. can be become analog input output.The visitor is by steering wheel rotation, and corresponding signal controlling automobile is made corresponding car body inclination on the bearing circle, and side tilt angle depends on the bearing circle rotational angle and the speed of a motor vehicle.Vibration sense when the visitor can also experience automobilism simultaneously.Control loop adopts wire communication to be connected with safe emergency set and PLC controller.
Host computer adopts favour Pu computing machine, and the PLC controller adopts Siemens S7-300.The acquired signal of host computer reception PLC controller and output are to the real-time control signal of 3-dimensional freedom platform 3, aerosol producer 15, air draught blower fan 5 and sound equipment, along with the variation of the speed of a motor vehicle, the visitor can experience smog and the audio that real automobile acceleration, deceleration, brake, startup etc. bring.
Be used for science popularization exhibition item because be, the utility model wind-tunnel apparatus for demonstrating can not be designed to a genuine wind1 tunnel laboratory as automobile testing laboratory, is to use the simplest means, most economical cost, the most reliable system to reach optimal wind-tunnel haze effect.
Describe the course of work of the utility model wind-tunnel apparatus for demonstrating below in detail.
Visitor one to two people enters wind-tunnel, takes phaeton 2 and starts up the car.System start-up, 3-dimensional freedom platform 3, aerosol producer 15, air draught blower fan 5 and sound equipment are started working.After the visitor steps on the electrical automobile throttle, air inlet 19 is along with the startup putting in blast of air draught blower fan 5, have in the nozzle 9 handle through current-sharing and follow even wind that the speed of a motor vehicle changes to automobile, and can experience the wind speed that head-on blows and can change along with the size of throttle.
When handling automobile, the visitor accelerates to the speed of a motor vehicle greater than 40 kilometers/hour, 4 nozzles 9 in air-supply wall 17 places can spray dense, smog bar white, that do not choke the people that stage is used gradually, the white smoke bar is along with the airflow in the wind-tunnel forms many alternate white smoke streams at car surface, simultaneously, the visitor can experience the interactive audio that real automobile acceleration, deceleration, brake, startup etc. bring by quickening or deceleration-operation.。
Visitor's usable rotational direction dish in operation, corresponding signal can Control of Automobile be made corresponding car body inclination on the bearing circle, and side tilt angle depends on the bearing circle rotational angle and the speed of a motor vehicle, the vibration sense the when visitor can also experience automobilism simultaneously.The time that the visitor handles the exhibition car is 2 minutes.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design proposal prerequisite; common engineering technical personnel make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (10)
1. wind-tunnel apparatus for demonstrating, comprise a cylindrical shape wind-tunnel (8) and a phaeton (2), it is characterized in that: wherein said cylindrical shape wind-tunnel (8) comprises wind inlet section, test section and wind outlet section, be positioned between the described test section at cylindrical shape wind-tunnel (8) middle part and the wind inlet section and be provided with air-supply wall (17), be provided with air draught wall (18) between described test section and the wind outlet section
Described wind inlet section is equipped with blast pipe (14), several aerosol producers (15), overhead control cabinet (10), platform switch board (12), host computer and sound equipment (16) thereof,
Described blast pipe is provided with air inlet (19), rectification section (13) and converging portion (11) successively, described converging portion (11) is equipped with honeycomb and damping screen successively, described aerosol producer (15) is provided with nozzle (9) and air door is housed at converging portion, and described air door links to each other with described overhead control cabinet (10) electricity;
Described phaeton (2) is supported and fixed on the test section at described cylindrical shape wind-tunnel (8) middle part by 3-dimensional freedom platform (3), and described 3-dimensional freedom platform (3) links to each other with described platform switch board (12) is electric;
Described wind outlet section is equipped with some aspiration channels (4) and air draught blower fan (5), and described aspiration channel (4) end is provided with air outlet (1), and described air draught blower fan (5) links to each other with described overhead control cabinet (10) electricity;
Described overhead control cabinet (10) comprises the PLC controller that links to each other successively with described host computer (16), some frequency converters and scrambler, described frequency converter links to each other with air draught blower fan (5) electricity, described scrambler is installed on the described air draught blower fan (5), described phaeton (2) is provided with control loop and safe emergency set, and described control loop links to each other with described PLC controller electricity with safe emergency set;
The acquired signal of the described PLC controller of described host computer (16) reception and output are to the real-time control signal of described 3-dimensional freedom platform (3), aerosol producer (15), air draught blower fan (5) and sound equipment.
2. wind-tunnel apparatus for demonstrating according to claim 1 is characterized in that: wherein said cylindrical shape wind-tunnel (8) length is that 13.5 meters, height are that 3.5 meters, diameter are 4.8 meters, adopts the thick acrylic sheet material of 35mm to make, and described test section has 6 meters long transparent section.
3. wind-tunnel apparatus for demonstrating according to claim 1 and 2 is characterized in that: wherein said air inlet is equipped with wire gauze and window shutter in (19) successively.
4. wind-tunnel apparatus for demonstrating according to claim 3 is characterized in that: wherein said air outlet (1) is equipped with sound suppressor.
5. wind-tunnel apparatus for demonstrating according to claim 4 is characterized in that: wherein said air-supply wall (17) and air draught wall (18) adopt the thick acrylic sheet material of 35mm to make.
6. wind-tunnel apparatus for demonstrating according to claim 5 is characterized in that: wherein said blast pipe (14) and aspiration channel (4) adopt epoxy resin or engineering plastics to make.
7. wind-tunnel apparatus for demonstrating according to claim 6 is characterized in that: wherein said aerosol producer (15), nozzle (9) and air door are provided with 4 covers.
8. wind-tunnel apparatus for demonstrating according to claim 7 is characterized in that: wherein said frequency converter, air draught blower fan (5) and aspiration channel (4) respectively are provided with 3, and described air draught blower fan (5) is an axial flow type, 3 Chinese character pin-shaped arrangements, and power is 7.5kw.
9. wind-tunnel apparatus for demonstrating according to claim 8 is characterized in that: wherein said control loop adopts wire communication to be connected with safe emergency set and described PLC controller, and described host computer (16) adopts wireless telecommunications to be connected with described PLC controller.
10. wind-tunnel apparatus for demonstrating according to claim 9 is characterized in that: wherein said host computer (16) adopts favour Pu computing machine, and described PLC controller adopts Siemens S7-300.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206592626U CN201955985U (en) | 2010-12-13 | 2010-12-13 | Wind tunnel demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206592626U CN201955985U (en) | 2010-12-13 | 2010-12-13 | Wind tunnel demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201955985U true CN201955985U (en) | 2011-08-31 |
Family
ID=44500089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206592626U Expired - Lifetime CN201955985U (en) | 2010-12-13 | 2010-12-13 | Wind tunnel demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201955985U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599566A (en) * | 2014-12-24 | 2015-05-06 | 惠州学院 | Wind-proof open cut tunnel presentation device |
| CN106840578A (en) * | 2017-04-07 | 2017-06-13 | 中国环境科学研究院 | A kind of stationary source simulation test wind-tunnel |
| CN110847399A (en) * | 2019-11-25 | 2020-02-28 | 沈炜 | Mirror surface wind tunnel for high-rise building |
-
2010
- 2010-12-13 CN CN2010206592626U patent/CN201955985U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599566A (en) * | 2014-12-24 | 2015-05-06 | 惠州学院 | Wind-proof open cut tunnel presentation device |
| CN106840578A (en) * | 2017-04-07 | 2017-06-13 | 中国环境科学研究院 | A kind of stationary source simulation test wind-tunnel |
| CN106840578B (en) * | 2017-04-07 | 2023-10-27 | 中国环境科学研究院 | Fixed pollution source simulation test wind tunnel |
| CN110847399A (en) * | 2019-11-25 | 2020-02-28 | 沈炜 | Mirror surface wind tunnel for high-rise building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |