CN220023956U - Centrifugal atomizing device and plant protection equipment - Google Patents

Abstract

The utility model discloses a centrifugal atomizing device and plant protection equipment, and belongs to the technical field of atomizing devices. The centrifugal atomizing device comprises an atomizing disk, a rotating disk and a plurality of blades, wherein the atomizing disk comprises a disk body and a plurality of blades; the blades are arranged on the disc body at intervals along the circumferential direction; the blade comprises a first liquid cutting part and a second liquid cutting part which are arranged from inside to outside, and the height of the second liquid cutting part is larger than that of the first liquid cutting part; the water pressing plate is arranged at one side of the blade, which is away from the disc body; the water pressing plate comprises a first water pressing surface and a second water pressing surface which are arranged from inside to outside, and the first water pressing surface is close to the disc body relative to the second water pressing surface; a first gap is formed between the first water pressing surface and the first liquid cutting part; a second gap is formed between the second water pressing surface and the second liquid cutting part. The plant protection equipment comprises a centrifugal atomization device. The atomizing disc of the centrifugal atomizing device is provided with the blades, the multistage liquid cutting part of the blades is matched with the multistage pressurized water of the pressurized water plate, so that large-particle liquid drops can be prevented from flying out, and atomization is more fully and uniformly carried out; the plant protection equipment has good spraying operation effect.

Description

Centrifugal atomizing device and plant protection equipment

Technical Field

The utility model relates to the field of atomizing devices, in particular to a centrifugal atomizing device and plant protection equipment.

Background

In recent years, plant protection equipment such as plant protection unmanned aerial vehicles and plant protection unmanned aerial vehicles have been widely used. Plant protection equipment such as plant protection unmanned aerial vehicle carries on sprinkler, carries out the spraying operation of pesticide or other liquid, can reduce peasant household spraying operation intensity of labour.

Some spraying devices carried on plant protection equipment are centrifugal atomizing devices, and when the centrifugal atomizing devices work, feed liquid flows into an atomizing disk rotating at a high speed, and the feed liquid is atomized to form fine liquid particles and then thrown out of the atomizing disk. In the centrifugal atomizing devices in the related art, some centrifugal atomizing devices adopt a double-layer atomizing disc structure, and although the atomizing effect is improved, the centrifugal atomizing devices are relatively complex in structure and heavy in weight; some adopt the centrifugal atomizing disk structure of individual layer, however, when centrifugal atomizing device during operation, when liquid fell to the atomizing disk of high-speed rotation, easily bounce flies, leads to the great liquid drop of some granule not directly to throw away the atomizing disk through abundant atomizing, consequently, the inhomogeneous problem of waste water, atomizing granule appears in the centrifugal atomizing disk of individual layer easily.

Disclosure of Invention

One of the purposes of the embodiments of the present utility model is: the centrifugal atomizing device is characterized in that a plurality of liquid cutting parts of the blades are matched with a plurality of water pressing surfaces of the water pressing plate, so that liquid can be fully atomized, and uniformity of atomized particles is improved.

The second object of the embodiment of the utility model is that: the plant protection equipment is good in spraying operation effect.

In order to achieve one of the above purposes, the present utility model adopts the following technical scheme:

a centrifugal atomizing device, comprising:

an atomizing disk comprising a disk body and a plurality of blades; the blades are arranged on the disc body at intervals along the circumferential direction; the blade comprises a first liquid cutting part and a second liquid cutting part which are arranged from inside to outside, and the height of the second liquid cutting part is larger than that of the first liquid cutting part;

the water pressing plate is arranged on one side of the blade, which is away from the disc body; the water pressing plate comprises a first water pressing surface and a second water pressing surface which are arranged from inside to outside, and the first water pressing surface is close to the tray body relative to the second water pressing surface; a first gap is formed between the first water pressing surface and the first liquid cutting part; a second gap is formed between the second water pressing surface and the second liquid cutting part

Optionally, the blade further comprises a third liquid cutting part, and the third liquid cutting part is connected with one end of the second liquid cutting part, which is away from the first liquid cutting part;

the height of the third liquid cutting part is larger than that of the second liquid cutting part; at least part of the third liquid cutting part is positioned on the outer side of the water pressing plate.

Optionally, the tray body comprises a liquid receiving surface, and the liquid receiving surface comprises a liquid inlet area and an acceleration area; the accelerating area surrounds the liquid inlet area, and the blades are arranged in the accelerating area;

the water pressing plate comprises a first plate part and a second plate part which are connected, the first water pressing surface is the surface of the first plate part, which is close to one side of the disc body, and the second water pressing surface is the surface of the second plate part, which is close to one side of the disc body; the first plate part is provided with a liquid outlet which is arranged above the liquid inlet area.

Optionally, along the radial direction of the atomizing disk, the end part of the first liquid cutting part is arranged at intervals with the edge of the liquid outlet.

Optionally, a flow guiding device is included; the water pressing plate is a bottom plate of the flow guiding device; the inside of the flow guiding device is provided with a flow guiding cavity, and the liquid outlet is communicated with the flow guiding cavity.

Optionally, the device comprises a rotary driving device, wherein the rotary driving device is arranged on one side of the flow guiding device, which is away from the atomizing disk; the flow guiding device is connected with the rotary driving device; the rotation driving device comprises a driving shaft;

the tray body comprises a connecting column, and the connecting column penetrates through the liquid outlet to be connected with the driving shaft; or the driving shaft penetrates through the liquid outlet to be connected with the disc body.

Optionally, the blade is of an arc structure, and the blade rotates clockwise or anticlockwise around the central axis of the disc body.

Optionally, a first edge is formed on the inner side of the first liquid cutting part, and the first edge is used for cutting liquid;

and/or, forming a second edge on the inner side of the second liquid cutting part, wherein the second edge is used for cutting liquid;

and/or, a third edge is formed on the inner side of the third liquid cutting part, and the third edge is used for cutting liquid.

Optionally, a plurality of atomizing teeth;

the tray body comprises a liquid receiving surface, the liquid receiving surface comprises a liquid inlet area, an accelerating area and an atomizing area, the accelerating area surrounds the liquid inlet area, and the atomizing area surrounds the accelerating area; the blades are arranged in the accelerating area at intervals along the circumferential direction, and the atomizing teeth are arranged in the atomizing area at intervals along the circumferential direction.

In order to achieve the second purpose, the utility model adopts the following technical scheme:

the plant protection equipment comprises the centrifugal atomization device of the scheme.

The beneficial effects of the utility model are as follows: according to the centrifugal atomizing device, the blades are arranged on the atomizing disc, and the blades are provided with the plurality of liquid cutting parts which can cut and adsorb liquid, so that the liquid is accelerated outwards, and more sufficient atomization is realized; and moreover, the liquid cutting parts with a plurality of heights of the blades are matched with the water pressing surfaces with a plurality of heights above the atomizing disk, so that liquid can be smoothly accelerated to the periphery, a small part of the water pressing surface presses back the liquid with upward jump, the water flying condition is reduced, large-particle liquid is prevented from being ejected outwards, the particle size concentration degree is better, and the atomization uniformity is ensured.

This centrifugal atomizing device and plant protection equipment, atomizing disk are single-layer structure, and easy clearance atomizes more evenly abundant, can satisfy the atomizing demand of more service scenarios.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

FIG. 1 is an exploded view of a centrifugal atomizing device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an atomizer disk according to an embodiment of the utility model;

fig. 3 is an enlarged view of a portion a of fig. 2;

fig. 4 is an enlarged view of a portion B of fig. 2;

FIG. 5 is a schematic view of a partial structure of a flow guiding device according to an embodiment of the present utility model;

FIG. 6 is a schematic view of the internal structure of a centrifugal atomizer according to an embodiment of the present utility model;

fig. 7 is an enlarged view of a portion C of fig. 2;

FIG. 8 is a cross-sectional view of a centrifugal atomizing device according to an embodiment of the present disclosure;

fig. 9 is an enlarged view of a portion D of fig. 8;

FIG. 10 is a schematic view of a water path of a centrifugal atomizer according to an embodiment of the present utility model;

FIG. 11 is a diagram showing the overall construction of a centrifugal atomizer according to an embodiment of the present utility model;

fig. 12 is an enlarged view of the portion E of fig. 11;

FIG. 13 is a schematic view of an atomizer disk according to another embodiment of the utility model;

fig. 14 is a schematic structural view of an atomizing disk according to another embodiment of the present utility model.

In the figure: 100. an atomizing disk; 10. a tray body; 101. a liquid inlet space; 11. receiving a liquid level; 12. a connecting column; 20. a blade; 201. a flow passage; 202. a first concave portion; 203. a second concave portion; 21. a first liquid cutting part; 211. a first edge; 22. a second liquid cutting part; 23. a third liquid cutting part; 30. step teeth; 41. atomizing teeth; 411. a tooth tip; 42. an atomizing column; 50. a transverse tooth; 70. a rotation driving device; 71. a drive shaft; 80. a flow guiding device; 801. a diversion cavity; 802. a liquid inlet; 803. a liquid outlet; 81. a water pressing plate; 8101. a first water pressing surface; 8102. a second water pressing surface; 811. a first plate portion; 812. a second plate portion; 82. a side plate; 83. a middle cover; 84. a liquid inlet pipe; 91. a first gap; 92. and a second gap.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "affixed" and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The structural design of the atomizing disk in the centrifugal atomizing device is an important factor influencing the atomizing effect. In the related art, an atomizing disk in a centrifugal atomizer mostly includes a double-layer disk structure, and liquid is ejected after passing through a flow passage between upper and lower disks, but such an atomizing disk has the following problems: the structure is complex, the feed liquid is easy to adhere, so that a runner is blocked, and the atomization effect is affected; the upper tray body and the lower tray body are fixed, and the inside of the atomizing tray is not easy to clean when the flow channel is blocked; heavier weight, and requires a motor drive with greater power to better perform the atomization.

The atomizing disc in some centrifugal atomizing devices is of a single-layer structure, so that the single-layer atomizing disc is easy to clean and has small weight. However, when a single-layer atomizing disk is used, some large-particle droplets may not be sufficiently atomized and jumped out, that is, water may easily fly, and thus, atomized particles may be unevenly distributed.

In order to solve the problems of the atomizing disc in the centrifugal atomizing device in the related art, the utility model provides a high-efficiency uniform centrifugal atomizing device, which adopts the structural design of a single-layer atomizing disc 100, and at least two liquid cutting parts of the blades 20 are matched with at least two water pressing surfaces, so that a small part of liquid with upward jump is pressed back by the water pressing surfaces, the condition of flying water is reduced, and the atomizing uniformity is ensured.

The utility model also provides a centrifugal atomizing device and plant protection equipment, which have good atomizing effect and good spraying operation effect. Wherein, this plant protection equipment can be, but is not limited to plant protection unmanned aerial vehicle, plant protection unmanned aerial vehicle.

Referring to fig. 1 to 14, a centrifugal atomizing apparatus will be described.

The centrifugal atomizing device comprises a rotary drive device 70, a deflector 80 and an atomizing disk 100. The atomizing disk 100 includes a disk body 10, a plurality of vanes 20, and a plurality of vertical atomizing bodies. The top surface of the tray body 10 is a liquid receiving surface 11. The plurality of blades 20 are circumferentially disposed at intervals on the liquid surface 11 of the tray 10, and the plurality of atomizing teeth 41 are circumferentially disposed at intervals on the liquid surface 11 of the tray 10. Wherein circumferential refers to a direction about the central axis of the disc 10.

Fig. 2 to 4 illustrate one type of atomizing disk 100, fig. 13 illustrates a second type of atomizing disk 100, and fig. 14 illustrates a third type of atomizing disk 100. As shown in fig. 2 to 4, 13 and 14, the flow passages 201 are defined between adjacent blades 20. The plurality of atomizing teeth 41 are provided on the outer sides of the plurality of blades 20, and the atomizing teeth 41 are protruding from the liquid surface 11 to be used for scattering the liquid. The rotary driving device 70 is connected with the disk body 10 to drive the disk body 10 to rotate around the central axis thereof, centrifugally throw out liquid on the disk body 10 from inside to outside, enable liquid drops to generate centrifugal force to scatter around, and impact the outer ring vertical atomizing teeth 41.

The flow channel 201 is defined by the surfaces of two adjacent blades 20 and the portion of the liquid surface 11 of the tray 10 between the two blades 20. The liquid in the guiding device 80 falls into the middle of the tray body 10 through the liquid outlet 803, the liquid is thrown outwards under the action of centrifugal force, and the liquid is divided into a plurality of strands of liquid by the plurality of blades 20 and enters the plurality of flow channels 201 respectively. Along with the rotation of the atomizing disk 100, the liquid contacts with the surface of the blade 20 or the surface of the disk body 10, and under the action of friction force between the liquid and the blade 20 or between the liquid and the disk body 10, the liquid is atomized and accelerated to flow outwards, so that the liquid can strike the outer ring vertical atomizing body at a higher speed, and a better atomizing effect can be obtained.

In other words, when the liquid passes through the flow channel 201, the speed can be transmitted to the liquid through the blade 20 or the tray 10, so that the liquid can obtain a better linear speed to strike the vertical atomization body of the outer ring, the liquid can be sufficiently and uniformly atomized, and the water flying condition of liquid drop splashing can be reduced or avoided, so as to meet the requirements of different use scenes.

In some cases, when the liquid is accelerated by the blade 20, the liquid also bounces in different directions, in order to fully atomize the popped liquid, so as to avoid large-particle liquid from directly flying out of the atomizing disk 100, referring to fig. 2 to 12, the blade 20 includes a plurality of liquid cutting portions with different heights, correspondingly, the centrifugal atomizing device further includes a water pressing plate 81, and the water pressing plate 81 includes a plurality of water pressing surfaces with different heights. The water pressure plate 81 is used to press back the liquid having an upward bouncing tendency, to drop the bouncing liquid into the flow channel 201 between the blades 20, or to drop the bouncing liquid into the flow channel 201 where the blades 20 are split by the blades 20 and then branched to both sides of the blades 20.

With continued reference to fig. 2 to 4, 13 and 14, the blade 20 includes a first liquid cutting portion 21 and a second liquid cutting portion 22 disposed from inside to outside, and the height of the second liquid cutting portion 22 is greater than the height of the first liquid cutting portion 21. The first liquid cutting part 21 and the second liquid cutting part 22 are used for sucking and scraping liquid outwards and accelerating the liquid, and are also used for scattering the liquid.

Wherein, from inside to outside refers to from the side near the central axis of the tray body 10 to the side far from the central axis of the tray body 10. The height of a component (e.g., the first liquid cutting portion 21 and the second liquid cutting portion 22) provided on the tray 10 refers to the vertical distance from the portion of the component facing away from the tray 10 to the liquid receiving surface 11 of the tray 10.

Referring to fig. 1 and 5 to 12, the water pressure plate 81 is disposed above the atomizing disk 100, in other words, the water pressure plate 81 is disposed at a side of the blade 20 facing away from the disk 10. The water platen 81 has a first water platen 8101 and a second water platen 8102 formed on a side thereof close to the disk 10, the first water platen 8101 being disposed inward of the second water platen 8102, and the first water platen 8101 being close to the disk 10 with respect to the second water platen 8102. The first liquid cutting portion 21 is located between the first water pressing surface 8101 and the liquid receiving surface 11, and the second liquid cutting portion 22 is located between the second water pressing surface 8102 and the liquid receiving surface 11. A first gap 91 is formed between the first water pressing surface 8101 and the first liquid cutting portion 21, and a second gap 92 is formed between the second water pressing surface 8102 and the second liquid cutting portion 22.

The water pressure plate 81 is fixed to the main body of the rotation driving device 70, and when the centrifugal atomizer is in operation, the atomizer disk 100 rotates, and the water pressure plate 81 does not rotate.

The first liquid cutting portion 21 and the second liquid cutting portion 22 of the blade 20 function as: the liquid falling into the middle of the tray 10 is divided by the first liquid-cutting portions 21 of the blades 20 and enters the flow channels 201 on both sides of the first liquid-cutting portions 21. For a small part of liquid which jumps upwards and does not enter the flow channel 201, the liquid is absorbed by the second liquid cutting part 22 and sent outwards, or is cut and scattered by the second liquid cutting part 22, so that the part of liquid does not directly splash out of the tray body 10, but enters the flow channel 201 at two sides of the second liquid cutting part 22, and the liquid contacts the blades 20 or the tray body 10 in the flow channel 201 part, thereby realizing atomization and acceleration.

The liquid entering the flow channel 201 includes: the liquid adhering to the side surfaces of the blades 20, the liquid adhering to the liquid surface 11 of the tray 10 between the two blades 20, and the liquid not contacting the tray 10 or the blades 20 in the flow channel 201.

The first and second water pressing surfaces 8101 and 8102 of the water pressing plate 81 function as: when the liquid falling into the middle of the tray body 10 passes through the space between the first water pressing surface 8101 and the liquid receiving surface 11, most of the liquid is smoothly rectified by the first water pressing surface 8101, so that the liquid smoothly moves in the direction of the first liquid cutting part 21, and the liquid fully contacts the first liquid cutting part 21 to be externally accelerated under the action of the first liquid cutting part 21. If the foreign matter remains in the middle area of the liquid receiving surface 11 of the tray 10 when the liquid just falls on the liquid receiving surface 11 of the tray 10, the liquid may bounce under the action of the raised foreign matter before being sent to the blade 20, and at this time, the first water pressing surface 8101 presses down the bouncing liquid, so that the liquid can be smoothly sent to the first liquid cutting portion 21. For a small part of the liquid which is also jumping upwards, the liquid is pressed down under the rectifying and smoothing action of the second water pressing surface 8102, so that the liquid is smoothly accelerated outwards under the action of the second liquid cutting part 22 of the blade 20.

Through the first liquid portion 21, the second liquid portion 22 of cutting of co-altitude on the blade 20, the pressurized-water surface of co-operation pressurized-water board 81 not co-altitude, make the liquid obtain the back that accelerates, can also let the pressurized-water surface send out liquid more smoothly all around, the second pressurized-water surface 8102 can press back the liquid that the back of mostly contact blade 20 was bounced, both can guarantee the acceleration of blade 20 to the liquid and break up the effect, avoid the liquid outwards to pop up again, reduce the circumstances of flying water, make the liquid after accelerating adhere to atomizing disk 100 surface better, let the liquid more abundant remove the atomizing tooth 41 of striking outer lane, make the liquid atomizing more even high-efficient, reach fine atomization effect.

With continued reference to fig. 2 to 9, 11, 12 and 14, the blade 20 further includes a third liquid cutting portion 23, where the third liquid cutting portion 23 is connected to an end of the second liquid cutting portion 22 facing away from the first liquid cutting portion 21; the third liquid cutting part 23 has a height greater than that of the second liquid cutting part 22; at least part of the third liquid cutting portion 23 is located outside the water pressure plate 81.

After the liquid leaves the space below the water pressure plate 81, the blades 20 are provided with the raised third liquid cutting part 23, and for the liquid which continues to jump upwards after passing through the second liquid cutting part 22 and does not enter the flow channel 201, or for a small part of liquid which possibly jumps to the third liquid cutting part 23 from other positions inside, the liquid is adsorbed outwards at the position of the third liquid cutting part 23 or is directly cut and scattered by the third liquid cutting part 23, so that the part of liquid does not directly splash out of the tray body 10, but enters the flow channels 201 at two sides of the third liquid cutting part 23, large particles are prevented from being ejected, and good and full atomization is realized.

In some embodiments, as shown in fig. 13, the blade 20 is provided with only the first liquid cutting portion 21 and the second liquid cutting portion 22.

The blades 20 are arc-shaped, the blades 20 have a rotation direction, and the blades 20 rotate clockwise or counterclockwise from the inner end to the outer end. When the blade 20 is arranged clockwise in a plan view, the atomizing disk 100 rotates counterclockwise when in operation; conversely, the vanes 20 are disposed counter-clockwise and the atomizing disk 100 rotates clockwise when in operation. Through the setting of the swirl of blade 20, when making atomizing disk 100 rotatory, can reduce the liquid resistance, blade 20 is better to the acceleration effect of liquid for motor power's availability factor is higher, through the different rotational speeds of control motor, can obtain the atomizing granule of equidimension not, makes the atomizing be applicable to more user demands.

In one embodiment, the vanes 20 are rib-shaped structures. In other embodiments, the blade 20 may also be a laminar structure.

In an embodiment, referring to the drawings and the figures, the first liquid cutting portion 21 includes a first edge 211, the first edge 211 is located on a side of the first liquid cutting portion 21 close to the central axis, in other words, the first edge 211 is located on a side of the first liquid cutting portion 21 close to the liquid feeding space 101, and the first edge 211 is used for cutting liquid.

The first liquid cutting part 21 comprises a first front side surface and a first rear side surface which are opposite, and the flow channel 201 is positioned between the first front side surface and the first rear side surface; the first front side is directly connected to the first rear side to form a first edge 211. In other words, the first liquid cutting portion 21 is located near the liquid inlet space 101 and has a sharp edge, so that the liquid in the liquid inlet space 101 can be rapidly and sufficiently cut into a plurality of liquid strands, and the liquid enters the plurality of flow channels 201.

Referring to fig. 3, 7 and 9, the first edge 211 on the inner side of the first liquid-cutting portion 21 is sharp, so that the resistance when the liquid hits the blade 20 is reduced, the flying situation after the liquid hits is effectively reduced, and further, the jumping-up liquid drops are reduced, which is also beneficial to keeping the liquid velocity, and better sending the liquid outwards and accelerating.

In one embodiment, the angle between the first edge 211 and the liquid receiving surface 11 is 80 degrees to 100 degrees. When the first edge 211 is perpendicular to the liquid receiving surface 11, in the case where the first liquid cutting portion 21 is limited in volume, a sufficiently large first edge 211 may be provided at a position close to the liquid intake space 101 to directly cut the liquid. Of course, in other embodiments, the angle between the first edge 211 and the liquid level 11 may be greater than 100 degrees.

In one embodiment, the inner side of the second liquid cutting portion 22 forms a second edge for cutting liquid. The inner side of the third liquid cutting portion 23 forms a second edge for cutting liquid. The front of the second liquid cutting part 22 and the front of the third liquid cutting part 23 are sharp, which is beneficial to reducing the resistance of the blade 20 when cutting liquid and better sending the liquid outwards and accelerating the liquid.

The liquid receiving surface 11 comprises a liquid inlet area and an accelerating area, the accelerating area surrounds the liquid inlet area, and the plurality of blades 20 are arranged in the accelerating area. The plurality of blades 20 are arranged in the acceleration region, and a liquid inlet space 101 is defined between the inner end surfaces of the plurality of blades 20 and the liquid inlet region of the liquid receiving surface 11.

In an embodiment, in order to make the structure simpler and more compact, the water pressure plate 81 is provided with a liquid outlet 803, the liquid outlet 803 is arranged above the liquid inlet area, and liquid such as liquid medicine can flow out through the liquid outlet 803 and fall onto the atomizing disk 100. As shown in fig. 5 and 7, the water pressure plate 81 includes a first plate 811 and a second plate 812 connected to each other, the first water pressure surface 8101 being a surface of the first plate 811 on a side close to the disk 10, and the second water pressure surface 8102 being a surface of the second plate 812 on a side close to the disk 10. The liquid outlet 803 is a through hole formed in the first plate portion 811, the liquid outlet 803 is formed above the liquid inlet region, and liquid can directly fall from the liquid outlet 803 to the liquid inlet space 101 of the atomizing disk 100, so that the liquid can be accelerated to spread outwards in the rotating process of the atomizing disk 100. In fig. 10, the flow direction of the liquid is schematically shown.

Thus, the water pressure plate 81 provides both the liquid discharging function and the two-stage water pressure function. In the radial direction of the water pressing plate 81, the liquid outlet 803, the first water pressing surface 8101, and the second water pressing surface 8102 are sequentially distributed from inside to outside. The liquid outlet 803 is directly arranged in the middle of the water pressing plate 81, so that the distance between the water pressing plate 81 and the atomizing disk 100 can be ensured to be close, the water pressing effect is ensured, and the liquid and water are not required to be discharged and supplied under the water pressing plate 81 by a separate guide pipe.

The distance between the water pressing plate 81 and the disk body 10 is relatively short, but the gap is maintained, the water pressing plate 81 and the atomizing disk 100 are not in contact, and the atomizing disk 100 can smoothly rotate relative to the water pressing plate 81. When the atomizing disk 100 needs to be removed for cleaning, only the atomizing disk 100 can be removed, the water pressing plate 81 is not removed, and the single-layer atomizing disk 100 is convenient for cleaning in structure.

In other embodiments, the water pressure plate 81 may not be provided with the liquid outlet 803, and liquid may be supplied to the liquid inlet space 101 of the atomizing disk 100 through a separate pipe.

With continued reference to fig. 7, in order to obtain a better atomization effect, the first liquid cutting portion 21 and the first water pressing plate 81 are matched in the following manner: along the radial direction of the atomizing disk 100, the end of the first liquid cutting portion 21, which is away from one end of the second liquid cutting portion 22, is spaced from the edge of the liquid outlet 803. The end of the first liquid cutting portion 21 is located below the first water pressure surface 8101, and a first distance d1 is formed between the end of the first liquid cutting portion 21 and the edge of the liquid outlet 803.

In this way, the liquid falling to the tray body 10 from the liquid outlet 803 is rectified by a small section of the first water pressing surface 8101, smoothly sent outwards by the first water pressing surface 8101, and then absorbed and cut outwards by the first liquid cutting part 21, so that the liquid is absorbed, cut and accelerated by the first liquid cutting part 21 more fully.

As shown in fig. 7, the end of the first liquid cutting portion 21 is a first edge 211, the first edge 211 is a sharp point, and the first edge 211 is spaced from the edge of the liquid outlet 803, so that the liquid is more fully cut by the first edge 211, the cutting resistance is reduced, and the liquid is more uniformly fed into each flow channel 201.

In other embodiments, the end of the first liquid-cutting portion 21 may be disposed below the liquid outlet 803, or the end of the first liquid-cutting portion 21 may be flush with the edge of the liquid outlet 803.

In one embodiment, the bottom plate of the deflector 80 is used as the water pressure plate 81. The guide device 80 is internally provided with a guide cavity 801, and a liquid outlet 803 is communicated with the guide cavity 801.

As shown in fig. 1, 6, 8 and 11, the flow guiding device 80 includes a middle cover 83, a flow guiding cover, and a liquid inlet pipe 84, and a flow guiding cavity 801 is formed between the middle cover 83 and the flow guiding cover. The water conservancy diversion lid includes the water pressing plate 81 and curb plate 82, encloses into the water conservancy diversion chamber 801 between well lid 83, curb plate 82, the water pressing plate 81, and feed liquor pipe 84 is connected with the curb plate 82 of water conservancy diversion lid, and feed liquor pipe 84 sets up inlet 802. A portion of the bottom of the deflector cap protrudes into the liquid inlet space 101. The water pressing plate 81 is a bottom plate of the flow guiding device 80, and the water pressing plate 81 is provided with a liquid outlet 803. One component of the water pressing plate 81 has both a diversion function and a water pressing function, so that the structure is more compact and simpler.

With continued reference to fig. 8, 9, 11 and 12, a first recess 202 is formed between the second liquid cutting portion 22 and the first liquid cutting portion 21, and a second recess 203 is formed between the third liquid cutting portion 23 and the second liquid cutting portion 22, so as to form three liquid cutting portions at three heights on the blade 20. The bottom of the water pressure plate 81 forms a first convex portion, and the first convex portion is engaged with the first concave portion 202. A second convex portion is formed between the water pressure plate 81 and the side plate 82, and the second convex portion is engaged with the second concave portion 203.

In other embodiments, the water pressing plate 81 and the flow guiding device 80 may have two independent structures, an independent water pressing plate 81 may be additionally installed below the flow guiding device 80, and a position avoiding opening may be disposed on the water pressing plate 81 to facilitate the liquid flowing out from the liquid outlet 803 of the flow guiding device 80 to fall to the atomizing disk 100.

In one embodiment, the rotary driving device 70 is disposed on a side of the deflector 80 facing away from the atomizing disk 100; the deflector 80 is connected to the rotary drive device 70 by means of a screw connection, a snap connection or the like. The rotation driving device 70 includes a driving shaft 71.

The tray 10 includes a connection column 12, and the connection column 12 is connected to the driving shaft 71 through the liquid outlet 803. Alternatively, the drive shaft 71 is connected to the tray 10 through the liquid outlet 803.

The rotary drive device 70 may be, but is not limited to, an electric motor.

Next, several ways of disposing the atomizing teeth 41 of the atomizing disk 100 will be described:

in an embodiment, the atomizing disk 100 further comprises a step tooth 30, the step tooth 30 being provided on a side of the vane 20 facing away from the central axis, in other words, the step tooth 30 being provided on an outer side of the vane 20. The step teeth 30 include a plurality of cutting teeth disposed at intervals in the height direction of the atomizing disk 100, and a plurality of cutting teeth disposed at intervals in the radial direction of the atomizing disk 100. The stepped teeth 30 on the outer side of the vane 20 tear and cut the liquid flowing out from the outlet of the flow channel 201 to atomize the same.

In one embodiment, the step teeth 30 are coupled to the vane 20. In other embodiments, there may be some clearance between the step teeth 30 and the vanes 20.

In an embodiment, the atomizing disk 100 is provided with at least two circles of vertical atomizing bodies, so as to obtain a more sufficient scattering effect and ensure that the particle size of the atomized liquid is more uniform.

The plurality of vertical atomizing bodies comprise a first atomizing group and a second atomizing group. The first atomizing group includes a plurality of atomizing teeth 41, and the second atomizing group includes a plurality of atomizing posts 42, and the outside of a plurality of blades 20 is located to a plurality of atomizing posts 42, and the outside of a plurality of atomizing posts 42 is located to a plurality of atomizing teeth 41.

The plurality of vertical atomizing bodies comprise a first atomizing group, the first atomizing group comprises a plurality of atomizing teeth 41, the plurality of atomizing teeth 41 are arranged in a first atomizing area, and the plurality of atomizing teeth 41 are arranged at intervals along the circumferential direction; the side of the atomizing tooth 41 adjacent to the flow channel 201 forms a tooth tip 411. The atomizing teeth 41 of the outer ring are used for impacting liquid to atomize, the front ends of the teeth are designed to be pointed, and the liquid can be better dispersed and atomized. A plurality of atomizing columns 42 are provided inside the atomizing teeth 41 of the outer ring to provide a multi-layer impingement structure for better atomization of the liquid.

In one embodiment, the rim of the disk 10 is circumferentially provided with a plurality of transverse teeth 50, the side of the transverse teeth 50 remote from the central axis forming a transverse tooth tip 411, the transverse tooth tip 411 being adapted to cut the fluid. The transverse teeth 50 allow the atomized particles to spread better around and prevent the atomized particles from swirling to the bottom of the tray 10.

In the centrifugal atomizing device and the plant protection equipment, the atomizing disc 100 is designed by the blades 20 of the inner ring, so that liquid can be better accelerated, and the impact speed of atomization can be more fully obtained. In addition, the water pressing surface of the flow guide device 80 is designed smoothly for multiple times, so that the accelerated liquid can be smoothly conveyed outwards without being ejected outwards, the vertical atomization body is impacted better, the atomization of the liquid is more complete, atomized particles are finer, the concentration of particle size is better, the adjustable particles and the flow are wide in range, and the flow guide device has the advantages of light weight, easiness in cleaning, difficulty in blocking and the like. The blades 20 are designed in a certain rotation direction, so that the atomizing disk 100 can better accelerate liquid and effectively reduce water resistance when in operation; the service efficiency of the motor power is higher; through the different rotational speeds of control motor, can obtain the atomizing granule of equidimension not, make the atomizing be applicable to more user demands. The atomizing disk 100 with the structure can be applied to scenes with different flow rates, and is particularly suitable for agricultural plant protection unmanned aerial vehicles, and different crops have different mu consumption and particle size requirements. The efficient and uniform centrifugal atomization system meets various application scenes, and humidification, pesticide spraying and nutrient solution spraying of plant protection unmanned aerial vehicles and greenhouses; the design of the blades 20 and the vertical atomizing body ensures that the size of atomized particles is more uniform; the atomizing disk 100 of light weight, simple structure, small resistance, makes the efficiency conversion higher, and the flow that can atomize is bigger.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. A centrifugal atomizing device, comprising:

an atomizing disk (100) comprising a disk body (10) and a plurality of vanes (20); the blades (20) are arranged on the disc body (10) at intervals along the circumferential direction; the blade (20) comprises a first liquid cutting part (21) and a second liquid cutting part (22) which are arranged from inside to outside, wherein the height of the second liquid cutting part (22) is larger than that of the first liquid cutting part (21);

the water pressing plate (81) is arranged on one side of the blade (20) away from the disc body (10); the water pressing plate (81) comprises a first water pressing surface (8101) and a second water pressing surface (8102) which are arranged from inside to outside, and the first water pressing surface (8101) is close to the disc body (10) relative to the second water pressing surface (8102); a first gap (91) is formed between the first water pressing surface (8101) and the first liquid cutting part (21); a second gap (92) is formed between the second water pressing surface (8102) and the second liquid cutting part (22).

2. Centrifugal atomizing device according to claim 1, wherein said blade (20) further comprises a third liquid cutting portion (23), said third liquid cutting portion (23) being connected to an end of said second liquid cutting portion (22) facing away from said first liquid cutting portion (21);

the height of the third liquid cutting part (23) is larger than that of the second liquid cutting part (22); at least part of the third liquid cutting part (23) is positioned outside the water pressing plate (81).

3. Centrifugal atomizing device according to claim 1 or 2, characterized in that the disc (10) comprises a liquid receiving surface (11), the liquid receiving surface (11) comprising a liquid inlet zone and an acceleration zone; the accelerating area surrounds the liquid inlet area, and a plurality of blades (20) are arranged in the accelerating area;

the water pressing plate (81) comprises a first plate part (811) and a second plate part (812) which are connected, wherein the first water pressing surface (8101) is a surface of the first plate part (811) close to one side of the disc body (10), and the second water pressing surface (8102) is a surface of the second plate part (812) close to one side of the disc body (10); the first plate part (811) is provided with a liquid outlet (803), and the liquid outlet (803) is arranged above the liquid inlet region.

4. A centrifugal atomizing device according to claim 3, wherein an end portion of the first liquid-cutting portion (21) is provided at a distance from an edge of the liquid outlet (803) in a radial direction of the atomizing disk (100).

5. A centrifugal atomizing device according to claim 3, characterized by comprising a flow guiding device (80); the water pressing plate (81) is a bottom plate of the flow guiding device (80); the inside of the flow guiding device (80) is provided with a flow guiding cavity (801), and the liquid outlet (803) is communicated with the flow guiding cavity (801).

6. Centrifugal atomizing device according to claim 5, characterized in that it comprises a rotary drive (70), said rotary drive (70) being arranged on the side of said deflector (80) facing away from said atomizing disk (100); the flow guiding device (80) is connected with the rotary driving device (70); the rotation driving device (70) comprises a driving shaft (71);

the tray body (10) comprises a connecting column (12), and the connecting column (12) passes through the liquid outlet (803) to be connected with the driving shaft (71); or the driving shaft (71) passes through the liquid outlet (803) to be connected with the disc body (10).

7. Centrifugal atomizing device according to claim 1 or 2, characterized in that the blades (20) are of an arc-shaped configuration, the blades (20) rotating clockwise or counter-clockwise around the central axis of the disc (10).

8. A centrifugal atomizing device according to claim 2, wherein the inner side of the first liquid-cutting portion (21) forms a first edge (211), the first edge (211) being intended for cutting liquid;

and/or, a second edge is formed on the inner side of the second liquid cutting part (22), and is used for cutting liquid;

and/or, the inner side of the third liquid cutting part (23) forms a third edge, and the third edge is used for cutting liquid.

9. Centrifugal atomizing device according to claim 1 or 2, characterized in that it comprises a plurality of atomizing teeth (41);

the tray body (10) comprises a liquid receiving surface (11), the liquid receiving surface (11) comprises a liquid inlet area, an accelerating area and an atomizing area, the accelerating area surrounds the liquid inlet area, and the atomizing area surrounds the accelerating area; the blades (20) are circumferentially arranged at intervals in the accelerating region, and the atomizing teeth (41) are circumferentially arranged at intervals in the atomizing region.

10. Plant protection equipment, characterized in that it comprises a centrifugal atomizing device according to any one of claims 1 to 9.