CN205068905U - Dust devil analogue means - Google Patents
Dust devil analogue means Download PDFInfo
- Publication number
- CN205068905U CN205068905U CN201520681175.3U CN201520681175U CN205068905U CN 205068905 U CN205068905 U CN 205068905U CN 201520681175 U CN201520681175 U CN 201520681175U CN 205068905 U CN205068905 U CN 205068905U
- Authority
- CN
- China
- Prior art keywords
- sand
- analogue means
- flow field
- dust
- dust devil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model provides a dust devil analogue means, includes a sand ware, installs the rotatory flow field ware on the sand ware and installs the scavenger fan on the ware of rotatory flow field, rotatory flow field ware includes a drum, install at the inboard a plurality of standpipes of drum, a plurality of hair -dryer, feed through respectively the connecting pipe of standpipe and hair -dryer, be equipped with the air outlet that a plurality of intervals set up on the lateral wall on each standpipe, the circumference that air -out direction and each standpipe of this air outlet are constituteed is tangent, wind that the hair -dryer produced passes through in the connecting pipe gets into the standpipe, produces rotatory flow field along the air outlet in the drum, forces the upwards rotation of grains of sand spiral that gets into the drum from the bottom. This dust devil analogue means increases the flow field rotational speed through increasing the standpipe in the cask, and the dust devil is gathered together, has establish dust devil phenomenon analogue means, provides the condition for the scientific experiments research in dust devil inside flow field.
Description
Technical field
The utility model relates to a kind of naturally meteorological simulator, and particularly relate to a kind of dust devil analogue means, the section of belonging to popularizes the field of teaching research.
Background technology
Sandstorm is because it is to regional climate, ecologic environment, having a strong impact on of people's lives safety and be subject to the extensive concern of scientific worker.Dust devil is a kind of meteorologic phenomena of the science that is full of glamour of uniqueness, and it but can make sand and dust raise up to hundreds of rice high-altitude with less wind speed; To people be contributed to understand the sand mechanism of sandstorm prevention to the understanding of its flow field structure, sand mechanism, thus corresponding physical model may be set up.
But correlative study is mainly studied by modes such as theoretical guess, Computer Simulation checkings, lacks the first-hand weather data in true dust devil process.It is main because the dust devil phenomenon under natural conditions is close to present random state appearance, scientific research personnel cannot predict time of origin or place in advance, thus scientific research apparatus cannot be installed to obtain the information such as meteorological data in dust devil process in dust devil spot, this shortcoming directly limit carrying out of related scientific research activity to a certain extent.
Summary of the invention
Based on this, provide a kind of dust devil analogue means, for providing experiment condition to dust devil research.
A kind of dust devil analogue means, the scavenger fan comprising a sand device, be arranged on the rotational flow field device on sand device and be arranged on rotational flow field device; Described rotational flow field device comprises a cylinder, is arranged on the some vertical tubes inside cylinder, some hair-dryers, be communicated with the connecting pipe of vertical tube and hair-dryer respectively; Sidewall on each vertical tube is provided with some spaced air outlets, and the circumference that the air-out direction of this air outlet and each vertical tube form is tangent; The wind that described hair-dryer produces enters in vertical tube by connecting pipe, produces rotational flow field, force the grains of sand spiral entering cylinder from bottom to rotate up along air outlet in cylinder.
Further, on the air-out direction of described air outlet and the generatrix direction of place vertical tube, angularly A tilts upward setting, and this angle A is 9 ~ 13 degree.
Further, described angle A is 11 degree.
Further, the quantity of described vertical tube is six, and described vertical tube is evenly arranged every 60 degree around the circumference of described cylinder.
Further, described sand device comprises a casing, horizontal two rotating shafts be arranged in casing, some sand sheets of surface extension of the axis of rotation and the motor of one end of connection rotating shaft.
Further, described rotating shaft is arranged in parallel, and level runs through casing; The rectangular body of described casing is arranged, and for loading sand and dust, wherein the height of sand and dust is less than or equal to place, the axle center surface level of described rotating shaft.
Further, after casing is stretched out in one end that described two rotating shafts are contrary, described motor is installed; Described rotating shaft is observed to be towards casing from its corresponding motor connected and is rotated counterclockwise, thus the sand and dust between rotating shaft are kicked up by the sand sheet of two rotating shafts in rotation process.
Further, described sand sheet is arranged in bending, and the self-corresponding motor in direction of bending is observed in arranging counterclockwise towards casing.
Dust devil analogue means described in the utility model by increasing vertical tube in drum, and increase flow field rotating speed, dust devil is gathered, and establishes dust devil phenomena simulation device, for the scientific experiment research of dust devil interior flow field provides condition.
Accompanying drawing explanation
Fig. 1 is the structural representation of dust devil analogue means of the present utility model.
Fig. 2 is the structural representation of the sand device of the dust devil analogue means of Fig. 1.
Fig. 3 is the structural representation of another angle of the sand device of the dust devil analogue means of Fig. 1.
Fig. 4 is the structural representation of the rotational flow field device of the dust devil analogue means of Fig. 1.
Fig. 5 be the dust devil analogue means of Fig. 1 rotational flow field device in air motion direction schematic diagram.
Fig. 6 is the air-out direction schematic diagram of vertical tube at vertical direction.
In figure: sand device 10, casing 11, rotating shaft 12, sand sheet 13, motor 14, hair-dryer 15, back up pad 16, bracing frame 17, bracing frame 18, rotational flow field device 20, cylinder 25, vertical tube 26, air outlet 260, connecting pipe 27, scavenger fan 30.
Embodiment
In order to make the technical solution of the utility model more clearly show, below in conjunction with accompanying drawing, the utility model is described in further detail.
Please refer to Fig. 1 to Fig. 6, is the dust devil analogue means of a kind of preferred embodiment of the present utility model, the scavenger fan 30 comprising a sand device 10, be arranged on the rotational flow field device 20 on sand device 10 and be arranged on rotational flow field device 20.
This sand device 10 is arranged in back up pad 16, and this sand device 10 comprises a casing 11, horizontal two rotating shafts 12 be arranged in casing 11, some sand sheets 13 of surface extension of the axis of rotation 12 and the motor 14 of one end of connection rotating shaft 12.The rectangular body of described casing 11 is arranged, and for loading sand and dust, wherein the height of sand and dust is less than or equal to place, the axle center surface level of described rotating shaft 12.In the present embodiment, the volume of sand and dust is about 1/4th of the capacity of casing 11.Described rotating shaft 12 is arranged in parallel, and level runs through casing 11.Described motor 14 is installed after stretching out casing 11 in the contrary one end of described two rotating shafts 12.Described rotating shaft 12 is observed to be towards casing 11 from its corresponding motor 14 connected and is rotated counterclockwise, thus the sand and dust between rotating shaft 12 are kicked up by the sand sheet 13 of two rotating shafts 12 in rotation process.Described sand sheet 13 is arranged in bending, and the direction of bending is identical with the direction that rotating shaft 12 is rotated, and namely self-corresponding motor 14 is observed in arranging counterclockwise towards casing 11.In the present embodiment, the root of adjacent sand sheet 13 is connected on the different buses of corresponding rotating shaft 12, and namely each sand sheet 13 even circumferential distribution is arranged and interval setting in the axial direction.
Described rotational flow field device 20 is relative with sand device 10 fixing by bracing frame 17, and described rotational flow field device 20 comprises a cylinder 25, be arranged on some vertical tubes 26 inside cylinder 25, the connecting pipe 27 of some hair-dryers 15, respectively connection vertical tube 26 and hair-dryer.Described cylinder 25 is arranged on directly over sand device 10, thus the sand and dust that sand device 10 is kicked up enter in cylinder 25.In the present embodiment, this cylinder 25 is made up of organic glass.Described vertical tube 26 is pvc pipe, is evenly arranged in the inner side of cylinder 25.In the present embodiment, the quantity of described vertical tube 26 is six, and the circumference around cylinder 25 is evenly arranged every 60 degree.Sidewall on each vertical tube 26 is provided with some spaced air outlets 260, and in the present embodiment, the circumference that the wind gone out from air outlet 260 and each vertical tube 26 form is tangent.Meanwhile, the wind that the air outlet 260 of each vertical tube 26 goes out is observed in being rotated counterclockwise from top to bottom; Namely observe from the center of cylinder 25 towards each vertical tube 26, described air outlet 260 is vertically disposed on the left side bus of vertical tube 26.The air-out direction of each air outlet 260 except tangent with circumference, and with the generatrix direction of place vertical tube 26 on angularly A tilt upward setting, this angle A is 9 ~ 13 degree, is specifically 11 degree in the present embodiment.In the present embodiment, the wind speed of air outlet 260 is 6m/s.The wind that described hair-dryer produces enters in vertical tube 26 by connecting pipe 27, produces rotational flow field along air outlet 260 in cylinder 25, forces the grains of sand entering cylinder 25 from bottom to rotate.
Described scavenger fan 30 is relative fixing with described rotational flow field device 20 by bracing frame 18, when described scavenger fan 30 works, a flow field rotated is formed in drum 25 inner vertical plane, the power that this flow field makes the inner grains of sand of drum 25 be subject to upwards, grains of sand lifting height can be made to increase, the effect of each air outlet 260 of grains of sand traversal vertical tube 26, movement locus is substantially on screw.
Dust devil analogue means described in the utility model by increasing vertical tube 26 in drum 25, and increase flow field rotating speed, dust devil is gathered, and establishes dust devil phenomena simulation device, for the scientific experiment research of dust devil interior flow field provides condition.Understandably, the dust devil of different situation is simulated, can adjust by increasing vertical tube 26 number, the quantity increasing air outlet 260 on vertical tube 26 and size, obtaining required simulation phenomenon.
The above embodiment only have expressed a kind of embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. a dust devil analogue means, is characterized in that, the scavenger fan comprising a sand device, be arranged on the rotational flow field device on sand device and be arranged on rotational flow field device; Described rotational flow field device comprises a cylinder, is arranged on the some vertical tubes inside cylinder, some hair-dryers, be communicated with the connecting pipe of vertical tube and hair-dryer respectively; Sidewall on each vertical tube is provided with some spaced air outlets, and the circumference that the air-out direction of this air outlet and each vertical tube form is tangent; The wind that described hair-dryer produces enters in vertical tube by connecting pipe, produces rotational flow field, force the grains of sand spiral entering cylinder from bottom to rotate up along air outlet in cylinder.
2. dust devil analogue means according to claim 1, is characterized in that: on the air-out direction of described air outlet and the generatrix direction of place vertical tube, angularly A tilts upward setting, and this angle A is 9 ~ 13 degree.
3. dust devil analogue means according to claim 2, is characterized in that: described angle A is 11 degree.
4. dust devil analogue means according to claim 1, is characterized in that: the quantity of described vertical tube is six, and described vertical tube is evenly arranged every 60 degree around the circumference of described cylinder.
5. dust devil analogue means according to claim 1, is characterized in that: described sand device comprises a casing, horizontal two rotating shafts be arranged in casing, some sand sheets of surface extension of the axis of rotation and the motor of one end of connection rotating shaft.
6. dust devil analogue means according to claim 5, is characterized in that: described rotating shaft is arranged in parallel, and level runs through casing; The rectangular body of described casing is arranged, and for loading sand and dust, wherein the height of sand and dust is less than or equal to place, the axle center surface level of described rotating shaft.
7. dust devil analogue means according to claim 6, is characterized in that: install described motor after casing is stretched out in the contrary one end of described two rotating shafts; Described rotating shaft is observed to be towards casing from its corresponding motor connected and is rotated counterclockwise, thus the sand and dust between rotating shaft are kicked up by the sand sheet of two rotating shafts in rotation process.
8. dust devil analogue means according to claim 7, is characterized in that: described sand sheet is arranged in bending, and the self-corresponding motor in direction of bending is observed in arranging counterclockwise towards casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681175.3U CN205068905U (en) | 2015-09-06 | 2015-09-06 | Dust devil analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681175.3U CN205068905U (en) | 2015-09-06 | 2015-09-06 | Dust devil analogue means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205068905U true CN205068905U (en) | 2016-03-02 |
Family
ID=55395429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520681175.3U Withdrawn - After Issue CN205068905U (en) | 2015-09-06 | 2015-09-06 | Dust devil analogue means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205068905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047050A (en) * | 2015-09-06 | 2015-11-11 | 宁夏大学 | Dust devil simulation device |
-
2015
- 2015-09-06 CN CN201520681175.3U patent/CN205068905U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047050A (en) * | 2015-09-06 | 2015-11-11 | 宁夏大学 | Dust devil simulation device |
| CN105047050B (en) * | 2015-09-06 | 2017-11-28 | 宁夏大学 | Dust devil analogue means |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202055500U (en) | Working platform device for aloft work | |
| CN204694441U (en) | Inner support formula spring hangs wire Segment Model vibration measuring test unit | |
| CN205068905U (en) | Dust devil analogue means | |
| CN203838987U (en) | Installation angle adjustable type outdoor display screen | |
| CN204353936U (en) | A kind of capsule centrifugal dust collection device | |
| CN202511694U (en) | Air-inlet grille of cooling tower | |
| CN206021815U (en) | A kind of it is easy to mobile outdoor animation show stand | |
| CN105920968A (en) | Separation device | |
| CN203642449U (en) | Maintenance support mechanism for wall-mounted air-conditioner indoor machine | |
| CN105047050A (en) | Dust devil simulation device | |
| CN204748591U (en) | Plastic type safe tool strorage device | |
| CN204554590U (en) | new city river landscape lamp | |
| CN205308093U (en) | Absorber | |
| CN206829364U (en) | A kind of steel structural upright column for prefabricated house | |
| CN201822220U (en) | Foldable desk easy to carry | |
| CN209388600U (en) | A kind of multi-functional communications engineering warning sign | |
| CN205541781U (en) | Rotating blade type wind resistance outdoor advertising board | |
| CN104924285B (en) | Plastic cement type security tool storing unit | |
| CN210924179U (en) | Screen fixing device for teaching of English admire class | |
| CN207818077U (en) | A kind of rotary street lamp advertisement presentation device | |
| CN103703502A (en) | Advertising device | |
| CN207197774U (en) | A kind of model of an airplane wind tunnel test power set | |
| CN206931257U (en) | A kind of English teaching chart board | |
| CN205168268U (en) | On -vehicle movable computer unit | |
| CN203060804U (en) | Rotating device of amusement equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160302 Effective date of abandoning: 20171128 |
|
| AV01 | Patent right actively abandoned |