CN103891698A - Double-air-channel mist spray device for orchards - Google Patents
Double-air-channel mist spray device for orchards Download PDFInfo
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- CN103891698A CN103891698A CN201410144197.6A CN201410144197A CN103891698A CN 103891698 A CN103891698 A CN 103891698A CN 201410144197 A CN201410144197 A CN 201410144197A CN 103891698 A CN103891698 A CN 103891698A
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Abstract
The invention relates to a double-air-channel mist spray device for orchards, and belongs to the technical field of agricultural plant protection facilities. Two axial flow fans of the device are respectively provided with annular flow guide covers, air inlet ends of the annular flow guide covers face outwardly, air outlet ends of the annular flow guide covers face inwardly, and an air guide plate assembly is mounted at an interval between the two annular flow guide covers; the air guide plate assembly comprises divergent flared air guide covers, a front air barrier and a rear air barrier, the divergent flared air guide covers are mounted at the air outlet ends, the front air barrier and the rear air barrier respectively perpendicularly extend out of the air out ends, and the upper portion and the lower portion of the front air barrier are respectively connected with the upper portion and the lower portion of the rear air barrier by V-shaped and straight barriers, so that radial air channels can be formed; a left air outlet and a right air outlet are respectively formed in two sides of each radial air channel, left spray rods and right spray rods are respectively mounted at the left air outlets and the right air outlets, and spray nozzles which are distributed at intervals are formed in the left spray rods and the right spray rods. The double-air-channel mist spray device has the advantages that flow fields generated by the double-air-channel mist spray device are complementary to one another, accordingly, the mist spray efficiency can be obviously improved, pressure loss can be reduced, mist penetrating power can be enhanced, and a deposition rate can be increased.
Description
Technical field
The present invention relates to a kind of sprayer unit, especially a kind of two air channels Orchard Spray device, belongs to agricultural plant protection facility technology field.
Background technology
According to the applicant understood, air-assisted sprayer unit is made up of constant shaft flow fan and the atomizer being configured in around blower fan conventionally.In use, the air-flow that the liquid of nozzle ejection is sent by blower fan is delivered to and is needed sprinkling place.Facts have proved, existing air-assisted sprayer unit is owing to lacking the guiding of effective air-flow, and Flow Field Distribution is inhomogeneous, obviously has radially that air outlet both sides wind speed is not of uniform size to be caused and the shortcoming such as agricultural chemicals loss, and therefore the distribution of nebulization efficiency and droplet is all undesirable.
Retrieval find, the Patent Application Publication that application number is CN201010578830.4 a kind of air-assisted grid circulating spraying system.This air-assisted grid circulating spraying system comprises spraying machine body, and wind send device, grid blocking apparatus, framework, blower fan, spray boom and nozzle; This framework is " ∏ " type, and wind send device to be arranged on framework; One side of framework is arranged on spraying machine body; Grid blocking apparatus is arranged on spraying machine body; Assembling, on spraying machine body, send device to be connected by airduct and wind.This technical scheme adopts centrifugal blower to produce wind field, and air-flow is delivered to air bag by airduct, carry out wind-force less important work, though there is its advantage, but the airflow line pressure loss is larger on the one hand, thereby must improve the rotating speed of centrifugal blower or impeller diameter to meet air-assisted spraying requirement, on the other hand because each air bag outlet wind speed is inconsistent, easily cause spraying inhomogeneous, in addition its droplet blocking apparatus adopts wind-force auxiliary, auxiliary wind field must pass crop canopies, wind-force is further decayed, cause the droplet not acting on canopy to be delivered to droplet blocking apparatus inside completely.
Application number be CN201220237914.6 Patent Application Publication a kind of counter-rotating fan water atomization plant of dust removing down-hole of coal mine device, relate to a kind of mine dust arrester field.The utility model solves the problems such as the effect of sprayer unit complex structure on current mine deduster and spraying is undesirable.In the outer cover of the counter-rotating fan water atomization plant of this dust removing down-hole of coal mine device, be provided with transversely arranged blower fan one and blower fan two, and the direction of rotation of blower fan one and blower fan two is contrary, water injector one, water injector two are set respectively between the air inlet in outer cover and blower fan one, blower fan two; Described nozzle one, nozzle two are fixed on outer cover by water inlet pipe one, water inlet pipe two and lay respectively at the front of blower fan one, blower fan two.This technical scheme adopts the contrary a pair of axial flow blower of rotation direction to carry out nebulization dust, and the effect that its combination produces is a simple two-stage blower fan, and when through blower fan two, must have considerable droplet to be tackled by it, finally on air duct inwall, flows down.
Application number be CN201110270343.6 Patent Application Publication a kind of counter-rotating fan, comprise air duct, motor support plate and motor, on described air duct, motor support plate is housed, in described motor support plate, motor is housed, described motor is connected with one-level impeller, and described motor is connected with sencond stage impeller.The present invention is simple in structure, is convenient to I&M, and cost is relatively low, energy-efficient, and low noise is reliable.This technical scheme adopts a pair of axial flow blower to ventilate, with the technical scheme essence of above-mentioned patent application roughly the same, be still one end air intake, other end air-out, its object is still to increase blast.
Summary of the invention
The object of the invention is to: the shortcoming existing for above-mentioned prior art, a kind of two air channels Orchard Spray device that can make within the scope of the uniform air flow wind field of droplet in blower fan generation is proposed, thus the nebulization efficiency of significantly improving.
In order to reach above object, of the present invention pair of air channel Orchard Spray device comprises switched in opposite but the two axial flow blower fan of dead in line, described two axial flow blower fan have respectively air intake outwardly, outlet air end annular kuppe inwardly, air deflection assemblies is installed at interval between two annular kuppes; Described air deflection assemblies comprises and is arranged on the horn-like wind scooper of flaring at outlet air end place and by the vertical extended forward and backward deep bead of outlet air end, and the upper and lower of described forward and backward deep bead is connected with in-line baffle plate by V font respectively, formation radial passage; Both sides, described radial passage form respectively left and right air outlet, and described left and right air outlet respectively installation interval is distributed with the left and right spray boom of nozzle.
In the time that two axial flow blower fan counter-rotates, air-flow flows out from the both sides of radial passage, because two axial flow blower fan is symmetrical arranged, rotating speed equates and switched in opposite, therefore not only the machine power of two blower fans is balanced, and the flow field producing also has mutual compensation usefulness, make the wind field of both sides air outlet even, stablize, in the time that air-flow blows out from nozzle both sides, the droplet of nozzle ejection all can be transported within the scope of the uniform air flow wind field of blower fan generation, thereby the nebulization efficiency of significantly improving, reduces crushing, strengthens penetration of droplets power and deposition.
The present invention further improves, rectification air grid is also housed between the blade of described axial flow blower and air deflection assemblies, described rectification air grid extends axially by one group and circumferential uniform spoke-like flow deflector forms, like this can be in the time that air-flow be exported, through the preliminary guiding of rectification air grid, mutarotation stream is direct current, thereby is conducive to guarantee the uniform and stable of wind field.
The present invention further improves, the wind scooper of described two axial flow blower fan is combined to form drive cavity, coaxial with two axial flow blower fan respectively outlet air end bevel gear is housed in described drive cavity, two outlet air end bevel gears engage by transition bevel gear, therefore can guarantee synchronized reverse rotation, its structure is very compact.
The present invention also further improves, the droplet disposable box can left and right directions moving horizontally is equipped with respectively in the below of described left and right spray lance, telescoping cylinder is equipped with in described droplet disposable box bottom, ultrasonic transmitter and ultrasonic sensor are equipped with in described droplet disposable box outside, and the signal output part of described ultrasonic sensor connects the controlled end of described telescoping cylinder by control circuit.Therefore, the present invention has the effect of droplet of being scattered of reclaiming of accepting, and can survey the distance of droplet collection assembly to crop by supersonic sensing, thus by master cylinder by droplet collection assembly auto-control to the correct position of not interfering with crop.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the end view of Fig. 1 embodiment.
Fig. 3 is the interior cutaway view corresponding with Fig. 2.
Embodiment
Embodiment mono-
Two air channels Orchard Spray device of the present embodiment as shown in Figure 1, 2, 3, comprises switched in opposite but the two axial flow blower fan 1 of dead in line, two axial flow blower fan have respectively air intake outwardly, outlet air end annular kuppe 1-1 inwardly, air intake is equipped with protective cover.Air deflection assemblies 2 is installed at interval between two annular kuppes, and rectification air grid 1-4 is housed between the blade 1-3 in axial flow blower 1 and air deflection assemblies 2, and rectification air grid 1-4 essence extends axially by one group and circumferential uniform spoke-like flow deflector forms.Air deflection assemblies 2 comprises and is arranged on the horn-like wind scooper 2-1 of flaring at outlet air end place and by the vertical extended forward and backward deep bead 2-2 of outlet air end, the upper and lower of forward and backward deep bead 2-2 is connected with in-line baffle plate 2-3,2-4 by V font respectively, and Formation cross-section is the radial passage of M shape.The wind scooper 2-1 of two axial flow blower fan 1 is combined to form drive cavity, coaxial with two axial flow blower fan respectively outlet air end bevel gear 4,4 ', two outlet air end bevel gears 4,4 ' is housed in drive cavity and engages by transition bevel gear 5, forms power transmission.Both sides, radial passage form respectively left and right air outlet 2-5 and the 2-5 ' of vertical strip, left and right air outlet 2-5 and 2-5 ' respectively installation interval be distributed with atomizer 3-1 vertical left and right spray boom 3,3 '.The atomizer 3-1 of every side spray bar is divided into two groups, lays respectively at the both sides of the vertical symmetrical centre of air outlet, and (referring to Fig. 2) can controlledly realize one-sided spraying.The droplet disposable box 6 can left and right directions moving horizontally is equipped with respectively in left and right spray lance 3,3 ' below, telescoping cylinder 7 is equipped with in droplet disposable box 6 bottoms, ultrasonic transmitter and ultrasonic sensor 8 are equipped with in droplet disposable box 6 outsides, and ultrasonic sensor signal output part wherein connects the controlled end (not shown) of telescoping cylinder 7 by control circuit.
When work, when the propeller-like blade of one of blower fan is during by external motive device 9 driven rotary, drive the blade pass speed reverse rotation of another blower fan by power transmission, air-flow is entered by the air intake of both sides blower fan kuppe respectively, after rectification and water conservancy diversion, flow to both sides and the top of radial passage, now the flow field of the contrary blower fan of two rotation directions compensates mutually, make the wind field on both sides and top become uniform flow field, blow out from the both sides of nozzle, the droplet of nozzle ejection is effectively transported within the scope of the uniform air flow wind field of blower fan generation, thereby the nebulization efficiency of significantly improving, reduce crushing, strengthen penetration of droplets power and deposition.
When tractor-drawn shows the experiment of fruit tree spraying, the spraying wind of the present embodiment send servicing unit to adopt single power source as power, the radially air-out of both sides air inlet through hollow shaft.On the one hand, the mutual disturbance of wind field that two blower fans produce forms rotational flow field, has strengthened turbulent air flow intensity in fruit tree canopy, and has made two cross forces even, has significantly improved spraying uniformity; On the other hand, axially consistent with direction of advance due to blower fan, brattice together with forming between driver's cabin and blower fan near the air inlet through hollow shaft of driver's cabin one crosswind machine, makes the droplet of sprayer unit generation to driver's cabin drift, not guaranteed job safety.Meanwhile, owing to adopting two pairs of bevel gears to properly settle a difficult problem for two blower fan the same power sources as transmission of power.In addition, being provided with of droplet gathering unit is beneficial to environmental protection and energy saving, and at droplet gathering unit, ultrasonic transmitter and ultrasonic sensor is installed, and guarantees that in operation process, droplet gathering unit can not encountered trunk.
Claims (5)
1. two air channels Orchard Spray device, comprise switched in opposite but the two axial flow blower fan of dead in line, described two axial flow blower fan have respectively air intake outwardly, outlet air end annular kuppe inwardly, it is characterized in that: air deflection assemblies is installed at interval between two annular kuppes; Described air deflection assemblies comprises and is arranged on the horn-like wind scooper of flaring at outlet air end place and by the vertical extended forward and backward deep bead of outlet air end, and the upper and lower of described forward and backward deep bead is connected with in-line baffle plate by V font respectively, formation radial passage; Both sides, described radial passage form respectively left and right air outlet, and described left and right air outlet respectively installation interval is distributed with the left and right spray boom of nozzle.
2. according to claim 1 pair of air channel Orchard Spray device, is characterized in that: rectification air grid is also housed between the blade of described axial flow blower and air deflection assemblies, and described rectification air grid extends axially by one group and circumferential uniform spoke-like flow deflector forms.
3. according to claim 2 pair of air channel Orchard Spray device, it is characterized in that: the wind scooper of described two axial flow blower fan is combined to form drive cavity, coaxial with two axial flow blower fan respectively outlet air end bevel gear is housed in described drive cavity, and two outlet air end bevel gears engage by transition bevel gear.
4. according to claim 3 pair of air channel Orchard Spray device, it is characterized in that: the droplet disposable box can left and right directions moving horizontally is equipped with respectively in the below of described left and right spray lance, telescoping cylinder is equipped with in described droplet disposable box bottom, ultrasonic transmitter and ultrasonic sensor are equipped with in described droplet disposable box outside, and the signal output part of described ultrasonic sensor connects the controlled end of described telescoping cylinder by control circuit.
5. according to claim 4 pair of air channel Orchard Spray device, is characterized in that: the nozzle of every side spray bar is divided into two groups, lays respectively at the both sides of the vertical symmetrical centre of air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410144197.6A CN103891698B (en) | 2014-04-10 | 2014-04-10 | Double-air-channel mist spray device for orchards |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410144197.6A CN103891698B (en) | 2014-04-10 | 2014-04-10 | Double-air-channel mist spray device for orchards |
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| CN103891698A true CN103891698A (en) | 2014-07-02 |
| CN103891698B CN103891698B (en) | 2015-07-08 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104335997A (en) * | 2014-09-25 | 2015-02-11 | 蓬莱市刘家沟镇墟里玫瑰香葡萄专业合作社 | Pesticide sprayer |
| CN107398382A (en) * | 2017-09-01 | 2017-11-28 | 洛阳市曼德机械制造有限公司 | From the assemble method for the secondary pressurized flusher for walking air-assisted type spraying machine |
| CN107873687A (en) * | 2017-12-21 | 2018-04-06 | 河北农业大学 | Orchard pesticide application device with layered wind distribution |
| CN108580090A (en) * | 2018-04-24 | 2018-09-28 | 洛阳市曼德机械制造有限公司 | A kind of assemble method of the double wind path spraying machines of garden supervisor |
| CN109924190A (en) * | 2019-04-12 | 2019-06-25 | 南京农业大学 | Air-flow circulating type medical fluid recovery type orchard air-assisted sprayer |
| CN110393179A (en) * | 2019-08-21 | 2019-11-01 | 南京林业大学 | A kind of orchard electrostatic sprayer of trapezoidal wind spraying aid type |
| CN113115756A (en) * | 2021-04-29 | 2021-07-16 | 南通黄海药械有限公司 | Double-air-duct fixed-point directional overhead spraying device |
| CN116965389A (en) * | 2023-08-14 | 2023-10-31 | 南京林业大学 | Air-assisted sprayer suitable for spraying medicines on fruit trees |
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| CN201342389Y (en) * | 2008-09-08 | 2009-11-11 | 梅州市风华喷雾喷灌机械设备有限公司 | Twin-stage power dis-rotatory axial blowing hitting-range atomizing machine |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104335997A (en) * | 2014-09-25 | 2015-02-11 | 蓬莱市刘家沟镇墟里玫瑰香葡萄专业合作社 | Pesticide sprayer |
| CN107398382A (en) * | 2017-09-01 | 2017-11-28 | 洛阳市曼德机械制造有限公司 | From the assemble method for the secondary pressurized flusher for walking air-assisted type spraying machine |
| CN107398382B (en) * | 2017-09-01 | 2023-05-05 | 洛阳市曼德机械制造有限公司 | Method for assembling secondary pressurized spraying device of self-walking air-assisted sprayer |
| CN107873687A (en) * | 2017-12-21 | 2018-04-06 | 河北农业大学 | Orchard pesticide application device with layered wind distribution |
| CN108580090A (en) * | 2018-04-24 | 2018-09-28 | 洛阳市曼德机械制造有限公司 | A kind of assemble method of the double wind path spraying machines of garden supervisor |
| CN109924190A (en) * | 2019-04-12 | 2019-06-25 | 南京农业大学 | Air-flow circulating type medical fluid recovery type orchard air-assisted sprayer |
| CN109924190B (en) * | 2019-04-12 | 2021-06-15 | 南京农业大学 | Air current surrounding type liquid medicine recovery type orchard wind conveying spraying machine |
| CN110393179A (en) * | 2019-08-21 | 2019-11-01 | 南京林业大学 | A kind of orchard electrostatic sprayer of trapezoidal wind spraying aid type |
| CN113115756A (en) * | 2021-04-29 | 2021-07-16 | 南通黄海药械有限公司 | Double-air-duct fixed-point directional overhead spraying device |
| CN116965389A (en) * | 2023-08-14 | 2023-10-31 | 南京林业大学 | Air-assisted sprayer suitable for spraying medicines on fruit trees |
| CN116965389B (en) * | 2023-08-14 | 2024-06-04 | 南京林业大学 | Air-assisted sprayer suitable for spraying medicines on fruit trees |
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| CN103891698B (en) | 2015-07-08 |
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