CN205492226U - Diversion system is assisted to air curtain formula air current - Google Patents
Diversion system is assisted to air curtain formula air current Download PDFInfo
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- CN205492226U CN205492226U CN201620127459.2U CN201620127459U CN205492226U CN 205492226 U CN205492226 U CN 205492226U CN 201620127459 U CN201620127459 U CN 201620127459U CN 205492226 U CN205492226 U CN 205492226U
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Abstract
The utility model relates to a diversion system is assisted to air curtain formula air current belongs to the plant protection machinery field. Being equipped with the wind speed sensor at the frame top, still being equipped with two transmission and two flow guide control poles, on two rows of ventilating ducts were overlapped around corresponding respectively in the trompil on two flow guide control poles, two transmission installed respectively at the frame both ends, are connected with the one end of flow guide control pole respectively, and the flow guide control pole other end is installed in the frame, according to the wind speed sensor records the direction of motion and the speed of natural wind among the operational environment, adjusts the rotational speed that converter frequency of operation changes axial fan on the one hand, the air speed of control ventilating duct, on the other hand passes through transmission drive flow guide control pole and rotates in the frame to the drive ventilating duct rotates, adjusts the air current direction of motion of ventilating duct. The utility model discloses can be applied to on the spray lance formula sprayer to the penetration capacity of effectual improvement droplet is and reduce floating of droplet.
Description
Technical field
This utility model relates to a kind of wind curtain type air-flow auxiliary flow guide system, belongs to field of plant protection machine.
Background technology
At present, along with the fast development of science and technology, in the operation of land for growing field crops, big-and-middle-sized mechanization of agriculture dispenser
Equipment will become main flow working equipment, owing to wind curtain type spray bar type spraying machine spraying swath is big, working performance is high, spray
The features such as fog effect is good, low in the pollution of the environment, the farm in part starts to promote and on probation.Existing air curtain
The air curtain air bag hypogastric region of formula boom sprayer is provided with the aperture on ground, utilizes the air curtain that aperture blows out,
Deliver droplets on and coerce to crop canopies, to reduce float of mist droplet, but blocking due to crop canopies, under crop
Mist droplet deposition on portion's stem stalk and blade is less, and dispenser uniformity is poor, and can not well resist natural wind
Interference, especially when natural wind speed is bigger, float of mist droplet is serious and causes pesticide utilization rate low, because of medicinal liquid
The environmental pollution also ratio caused that runs off is more serious.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of wind curtain type air-flow auxiliary is led
Streaming system, increases the interference resisting natural wind, makes droplet effectively move to crops and cover crop
On, efficiently solve the defect that float of mist droplet is big, improve pesticide utilization rate, decrease the dirt to environment
Dye.
This utility model uses concrete technical scheme as follows: a kind of wind curtain type air-flow auxiliary flow guide system, including
Frame, axial flow blower, converter, air curtain air bag, described axial flow blower is fixed in frame, described air curtain
Air bag is arranged on the lower section of axial flow blower, and below air curtain air bag, front and back two row's ventilating ducts are arranged, during work in both sides
Axial flow blower, to air curtain airbag aeration, forms twice air curtain air-flow to intercept natural wind and increase by ventilating duct
Droplet area coverage, rack-mounted converter is connected with axial flow blower, it is characterised in that: in frame
Top is provided with wind speed wind direction sensor, is additionally provided with two actuating devices and two flow controlling bars, two water conservancy diversion
Before and after on control bar, perforate is respectively fitted over correspondence on two row's ventilating ducts, two actuating devices are separately mounted to machine
Frame two ends, the one end with flow controlling bar is connected respectively, and the flow controlling bar other end is arranged in frame, root
Record the direction of motion and the speed of natural wind in working environment according to described wind speed wind direction sensor, on the one hand adjust
Converter operating frequency changes the rotating speed of axial flow blower, controls the air velocity of ventilating duct；On the other hand pass through
Actuating device drives flow controlling bar to rotate in frame, thus drives ventilating duct to rotate, regulation ventilating duct
Air motion direction.
Further, the air inlet end of described air curtain air bag is by gland, sealing gasket and clip and described axial flow
Blower fan is fixed and connects.
Described actuating device includes large and small gear and motor, and motor is fixed in frame, and little gear is arranged on
On motor, described flow controlling bar is arranged on the two ends of described frame by bearing, and gear wheel is arranged on water conservancy diversion
Controlling bar one end and engage with little gear, little gear passes through to engage with the gear wheel being arranged on flow controlling bar
Transmission regulates the rotation of flow controlling bar, changes ventilating duct air motion direction, thus realizes pushing crop open
Canopy and the purpose of obstruct natural wind.
In such scheme, it is plane bottom described air curtain air bag, is fixedly connected with the Weight plate of lower section, permissible
It is effectively prevented natural wind and air curtain air bag is caused swing.
In such scheme, described ventilating duct top is divided into cone, bottom to be divided into cylinder, wherein circular cone
Shape part is connected on air curtain air bag, this frame mode can ensure that air curtain air-flow from ventilating duct out after
It is uniformly distributed.
In such scheme, on described flow controlling bar, the quantity in hole keeps consistent with the quantity of ventilating duct；Lead
Flow control bar one end is provided with step, the other end is provided with keyway and step, be provided with step one end set upper bearing (metal) with
Frame connects, and overlaps upper bearing (metal) again and be connected with frame after being provided with one end installation gear wheel of keyway and step, real
Existing axial restraint.
In such scheme, described air curtain air bag and ventilating duct are soft material part, such as PVC.
This utility model has the advantages that wind curtain type air-flow of the present utility model assists flow guide system, root
The direction of motion and the speed of natural wind is recorded, by the leading of both sides before and after air curtain air bag according to wind speed wind direction sensor
Air duct and flow controlling bar form the uniform air curtain of air-flow, it is possible to effectively resist the interference of natural wind, and can
It is effectively improved the penetration capacity of droplet, is applicable to grow intensive crop, decreases float of mist droplet, increase
Pesticide deposition on target, improves the effective rate of utilization of pesticide, improves agroecological environment,
Easy and simple to handle, stable performance, it is ensured that spray working performance, provide necessary guarantor for agricultural sustainable development
Card.
Accompanying drawing explanation
Fig. 1 is that this utility model patent wind curtain type air-flow assists flow guide system schematic diagram.
Fig. 2 is the scheme of installation of this utility model patent axial flow blower and air curtain air bag.
Fig. 3 is A direction view in Fig. 2.
Fig. 4 is that float of mist droplet tests device schematic diagram.
In figure: 1. frame, 2. converter, 3. wind speed wind direction sensor, 4. axial flow blower, 5. air curtain air bag, 6. counterweight
Plate, 7. motor, 8. flow controlling bar, 9. sealing gasket, 10. gland, 11. clips, 12. little gears, 13. canine tooths
Wheel, 14. ventilating ducts.
Detailed description of the invention
Further illustrate this wind curtain type air-flow auxiliary flow guide system below in conjunction with the accompanying drawings.
In detailed description of the invention as shown in Figure 1, Figure 2, Figure 3 shows, a kind of wind curtain type air-flow assists water conservancy diversion system
System, by frame 1, converter 2, wind speed wind direction sensor 3, axial flow blower 4, air curtain air bag 5, counterweight
Plate 6, motor 7, flow controlling bar 8, sealing gasket 9, gland 10, clip 11, little gear 12, canine tooth
Wheel 13 and ventilating duct 14 form；Converter 2, wind speed wind direction sensor 3, axial flow blower 4 and motor 7 lead to
Crossing bolt to be arranged in frame 1, flow controlling bar 8 is arranged in frame 1 by bearing, air curtain air bag 5
Air inlet end fixed with axial flow blower 3 by sealing gasket 9, gland 10 and clip 11 and connect, little gear
12 are arranged on motor 7 by key, and gear wheel 13 is arranged on flow controlling bar 8 by key, flow controlling
Borehole jack on bar 8 is on ventilating duct 14, and one_to_one corresponding.
This wind curtain type air-flow auxiliary flow guide system work process: first record work according to wind speed wind direction sensor 3
Make the wind speed and direction of natural wind in environment, operator manually adjust converter 2 operating frequency (0～
50Hz) change the rotating speed of axial flow blower 4, change the air outlet wind speed (0～17m/s) of ventilating duct 14,
The rotation of flow controlling bar 8 is driven by the engaged transmission of the little gear 12 on motor 7 with gear wheel 13,
Change the air motion direction of ventilating duct 14；Determine that the frequency of converter 4 and flow controlling bar 8 are in suitable position
Postpone, proceed by operation, air-flow in ventilating duct 14 in wind curtain type air-flow auxiliary flow guide system carry out oblique
Descending or Jet with downward flow direction, air-flow is pushed crop canopies open and is produced gap, intercepts the natural wind interference to droplet simultaneously,
On the one hand droplet can be made to enter in crop canopies gap inside crop canopies, droplet on the other hand can be made to make
The area coverage of thing increases, thus is effectively improved the penetration capacity of droplet and reduces float of mist droplet.
One article of experimental verification: Wang Junfeng was mentioned a kind of air curtain airbag structure (agricultural mechanics
Report: wind curtain type strength auxiliary electrostatic sprayed deposit characteristic, in February, 2012), the apparatus structure of documents
Difference: 1, do not have Weight plate below air curtain air bag, it is impossible to enough make air curtain guarantee stability and the spraying of air bag
Accuracy；2, ventilating duct cylindrically shaped in document, neither ventilating duct upper part of the present utility model
For cone, bottom is divided into cylinder, and this structure more can make ventilating duct air-flow out more uniform；Right
Ratio this utility model and the air curtain air bag impact on float of mist droplet in disclosed document, test and surveyed by collection mist test
Amount system and spraying system composition, can detect float of mist droplet rate；Collection mist testing & measuring system is by one
Mist type collecting tank, container and the electronic balance composition folded, spraying system is by medicine-chest, membrane pump, pressure regulator valve
It is sequentially connected with composition with Fan spray head；Refer to Fig. 4.
It is 0.5MPa and natural wind blows to air curtain air bag front, the shadow of wind speed average out to 4m/s at atomisation pressure
Under sound, measure the drift rate of droplet and carry out Data Comparison.This utility model is according to the wind speed recording natural wind
And wind direction, the operating frequency manually adjusting converter 2 changes the rotating speed of axial flow blower 4, changes ventilating duct 14
Air outlet wind speed (0～17m/s), engage biography by the little gear 12 on motor 7 and gear wheel 13
The dynamic rotation driving flow controlling bar 8, changes the air motion direction of ventilating duct 14, wherein DfRepresenting will
The droplet gross mass that shower nozzle sprays deducts the droplet gross mass institute that the deposition collecting droplet sprays divided by shower nozzle
The float of mist droplet rate obtained；Q represents the droplet gross mass sprayed, the deposition of D droplet, is expressed as:
Observing this utility model and the impact on float of mist droplet rate of the disclosed document, table 1 is that the droplet recorded wafts
Shifting rate data.Draw by comparing: float of mist droplet rate of the present utility model is than the float of mist droplet of disclosed document
Rate is little, it is believed that: in this utility model, air curtain air-flow is can preferably to improve float of mist droplet rate feelings
Condition.
In sum: in this patent air curtain air-flow can make that float of mist droplet rate becomes less, illustrate anti-drift
Can be more preferably.Owing to always having natural wind when field rotating medicine, with the boom sprayer shape of air curtain apparatus
The twice air curtain become can prevent the interference of natural wind effectively, to reduce drift；Air curtain air-flow pair simultaneously
Perturbation action is played on crop blade face, enhances penetration performance and the droplet area coverage of droplet.
Table 1
Claims (8)
1. a wind curtain type air-flow auxiliary flow guide system, including frame, axial flow blower, converter, air curtain air bag, described axle
Flow fan is fixed in frame, and described air curtain air bag is arranged on the lower section of axial flow blower, and below air curtain air bag, front and back both sides arrange two
Row's ventilating duct, during work, axial flow blower is to air curtain airbag aeration, by ventilating duct formed twice air curtain air-flow with intercept natural wind and
Increasing droplet area coverage, rack-mounted converter is connected with axial flow blower, it is characterised in that: it is provided with at frame top
Wind speed wind direction sensor, is additionally provided with two actuating devices and two flow controlling bars, and on two flow controlling bars, perforate is respectively fitted over
Before and after correspondence on two row's ventilating ducts, two actuating devices are separately mounted to frame two ends, and the one end with flow controlling bar connects respectively
Connecing, the flow controlling bar other end is arranged in frame, records natural wind in working environment according to described wind speed wind direction sensor
The direction of motion and speed, on the one hand adjust converter operating frequency and change the rotating speed of axial flow blower, control the air velocity of ventilating duct；
On the other hand drive flow controlling bar to rotate in frame by actuating device, thus drive ventilating duct to rotate, regulation ventilating duct
Air motion direction.
2. a kind of wind curtain type air-flow auxiliary flow guide system as claimed in claim 1, it is characterised in that: described air curtain air bag
Air inlet end is fixed with described axial flow blower by gland, sealing gasket and clip and connects.
3. a kind of wind curtain type air-flow auxiliary flow guide system as claimed in claim 1, it is characterised in that: described actuating device bag
Including large and small gear and motor, motor is fixed in frame, and little gear is arranged on motor, and described flow controlling bar passes through bearing
Being arranged on the two ends of described frame, gear wheel is arranged on flow controlling bar one end and engages with little gear, and little gear is led with being arranged on
Gear wheel on flow control bar regulates the rotation of flow controlling bar by engaged transmission, changes ventilating duct air motion direction, from
And realize pushing crop canopies open and intercepting the purpose of natural wind.
4. a kind of wind curtain type air-flow auxiliary flow guide system as claimed in claim 1, it is characterised in that: at the bottom of described air curtain air bag
Portion is plane, is fixedly connected with the Weight plate of lower section, can be effectively prevented natural wind and air curtain air bag is caused swing.
5. a kind of wind curtain type air-flow auxiliary flow guide system as claimed in claim 1, it is characterised in that: on described ventilating duct
Part is cone, and bottom is divided into cylinder, and wherein conical portion is connected on air curtain air bag, it is ensured that air curtain air-flow is from wind-guiding
Cylinder out after be uniformly distributed.
6. a kind of wind curtain type air-flow auxiliary flow guide system as claimed in claim 1, it is characterised in that: described flow controlling
On bar, the quantity in hole keeps consistent with the quantity of ventilating duct；Flow controlling bar one end is provided with step, the other end is provided with keyway and step,
Be provided with step one end set upper bearing (metal) is connected with frame, be provided with keyway and step one end installation gear wheel after overlap again upper bearing (metal) and with
Frame connects, it is achieved axial restraint.
7. wind curtain type air-flow auxiliary flow guide system as claimed in claim 1 a kind of, it is characterised in that: described air curtain air bag and
Ventilating duct is soft material part.
8. a kind of wind curtain type air-flow auxiliary flow guide system as claimed in claim 7, it is characterised in that: described soft material part
For PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127459.2U CN205492226U (en) | 2016-02-18 | 2016-02-18 | Diversion system is assisted to air curtain formula air current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127459.2U CN205492226U (en) | 2016-02-18 | 2016-02-18 | Diversion system is assisted to air curtain formula air current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205492226U true CN205492226U (en) | 2016-08-24 |
Family
ID=56725465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620127459.2U Expired - Fee Related CN205492226U (en) | 2016-02-18 | 2016-02-18 | Diversion system is assisted to air curtain formula air current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205492226U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105638617A (en) * | 2016-02-18 | 2016-06-08 | 江苏大学 | Air curtain type airflow auxiliary diversion system |
| CN109644972A (en) * | 2019-01-16 | 2019-04-19 | 江苏大学 | A kind of inclined type boom sprayer spraying system |
| CN110841979A (en) * | 2019-11-24 | 2020-02-28 | 黄秉润 | Air flow pump-out system and method for dust-free workshop |
-
2016
- 2016-02-18 CN CN201620127459.2U patent/CN205492226U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105638617A (en) * | 2016-02-18 | 2016-06-08 | 江苏大学 | Air curtain type airflow auxiliary diversion system |
| CN109644972A (en) * | 2019-01-16 | 2019-04-19 | 江苏大学 | A kind of inclined type boom sprayer spraying system |
| CN110841979A (en) * | 2019-11-24 | 2020-02-28 | 黄秉润 | Air flow pump-out system and method for dust-free workshop |
| CN110841979B (en) * | 2019-11-24 | 2021-11-16 | 常德古野源生态农业科技有限公司 | Air flow pump-out system and method for dust-free workshop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |