Transverse fan air curtain system and agricultural spraying machine

Abstract

The utility model relates to a transverse fan air curtain system and an agricultural sprayer, the air curtain system comprises two air curtain units, each air curtain unit comprises an air bag and a bottom groove, the two air bags are horizontally and oppositely distributed, can horizontally rotate and be positioned, and can rotate to the same straight line for operation or rotate to be distributed side by side for storage; the two bottom grooves are fixedly installed at the bottoms of the two air bags correspondingly and are parallel to the two air bags correspondingly, and a plurality of air outlets communicating with the corresponding air bags are evenly formed in the two bottom grooves at intervals correspondingly. And a transverse fan is fixedly mounted at the end part of at least one end of each air bag. The spraying machine has the advantages of being simple in structure, reasonable in design and capable of reducing drifting of pesticide sprayed by the spraying machine, saving 25%-30% of pesticide, enhancing penetrability of the pesticide, enabling the pesticide to be better attached to crops, improving working efficiency and guaranteeing the spraying effect. In addition, the fan is transversely arranged at the end of the air bag, and assembling is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sprayers, in particular to a horizontal fan air curtain system and an agricultural sprayer. Background Art

[0002] In the agricultural production process, agricultural sprayers have replaced the traditional manual operation method, greatly improving the operation efficiency, saving manpower and material resources, and greatly reducing the cost. However, the current agricultural sprayers do not have a wind curtain system, and the spraying of drugs will cause drug drift, causing waste and seriously affecting the spraying effect. Utility Model Content

[0003] The utility model provides a horizontal fan air curtain system and an agricultural sprayer, aiming to solve the problems in the prior art.

[0004] The technical solution of the utility model to solve the above technical problems is as follows:

[0005] A horizontal fan air curtain system comprises two air curtain units, wherein the two air curtain units respectively comprise air bags and bottom grooves, the two air bags are horizontally arranged relative to each other, and can be rotated and positioned horizontally, and the two air bags can be rotated to the same straight line for operation or rotated to be arranged side by side for storage; the two bottom grooves are respectively fixedly mounted on the bottoms of the two air bags, and are respectively parallel to the two air bags, and a plurality of air outlets connected to the corresponding air bags are evenly spaced on the two bottom grooves; a horizontal fan is fixedly mounted on the end of at least one end of each air bag.

[0006] The beneficial effects of the utility model are as follows: during the operation, a nozzle is fixedly installed on the bottom trough, and the nozzle is located in front of multiple air outlets; the medicine is sprayed downward from the nozzle, but the wind formed by the driving of the agricultural machinery will cause the medicine mist to drift backwards, at this time, the wind flow formed by the fan is sprayed from multiple air outlets to form a wind wall, and the wind wall blocks the medicine mist, so that the medicine mist is sprayed downward onto the crops, thereby ensuring the effect of the medicine spraying.

[0007] The utility model has a simple structure and a reasonable design, can reduce the drift phenomenon of the medicine sprayed by the sprayer, save 25% to 30% of pesticides, and enhance the penetration of the medicine, so that the medicine can be better attached to the crops, improve the working efficiency, and ensure the spraying effect; in addition, the fan is horizontally placed at the end of the wind bag, which is easy to assemble.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, each of the fans includes a fan body and a hydraulic motor. The hydraulic motor is fixedly mounted at the corresponding end of the wind bag and is connected to the fan blades in the fan body to drive the fan blades in the fan body to operate.

[0010] The beneficial effect of adopting the above further scheme is simple structure and reasonable design. During operation, a hydraulic motor is used to drive the fan blades in the fan body to send external wind into the wind bag to form a wind flow, and then spray it out from multiple air outlets on the bottom trough to form a wind wall.

[0011] Furthermore, a filter is fixedly mounted on one end of the fan body away from the corresponding air bag.

[0012] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and the use of the filter can prevent external impurities from entering the fan and affecting the operation of the fan.

[0013] Furthermore, each of the fans also includes a heat dissipation package, which is vertically fixedly installed at the corresponding end of the corresponding wind bag, with both ends open and one end connected to the wind bag, and the fan body is distributed at the other end of the heat dissipation package; the hydraulic motor is fixedly installed in the heat dissipation package, an oil cavity is provided in the heat dissipation package, and an oil inlet and an oil outlet connected to the oil cavity are also provided on the heat dissipation package, and the oil discharge port of the inner cavity of the hydraulic motor is connected to the oil inlet through a pipeline.

[0014] The beneficial effect of adopting the above further scheme is that the outside wind is sent into the wind bag by the fan, and the wind flow in the wind bag is sprayed out from multiple air outlets to form a wind wall to block the drifting medicine mist and ensure the effect of medicine spraying;

[0015] During this process, the oil temperature in the hydraulic motor rises. At this time, the oil is sent to the heat dissipation package for heat dissipation. The heat-dissipated oil is then sent back to the oil tank to achieve oil recycling.

[0016] Furthermore, the heat dissipation package includes a plurality of heat exchange fins and a plurality of annular heat exchange tubes, the plurality of heat exchange tubes are respectively distributed vertically and spaced side by side along the axial direction of the air bag, and are provided with notches with both ends open; the inner cavities of the plurality of heat exchange tubes constitute the oil cavity, one end of the plurality of heat exchange tubes forms the oil inlet, and the other end forms the oil outlet; the plurality of heat exchange fins are evenly spaced and fixedly sleeved on the plurality of heat exchange tubes along the length direction of the heat exchange tubes, and are respectively provided with shark scale-like groove structures.

[0017] The beneficial effect of adopting the above further scheme is that during heat exchange, the hydraulic motor drives the fan body to operate to form an airflow that passes through multiple heat exchange plates to cool the oil in multiple heat exchange tubes, making heat exchange convenient.

[0018] Furthermore, the shark scale-like groove structure is respectively provided on at least one side surface of the plurality of heat exchange fins.

[0019] The beneficial effect of adopting the above further solution is that the shark scale-like groove structure is reasonably distributed, ensuring the heat exchange effect of multiple heat exchange fins, thereby ensuring the heat dissipation effect.

[0020] Furthermore, each of the shark scale-like groove structures includes a plurality of shark scale-like grooves, and the plurality of grooves are evenly spaced and distributed on the corresponding side surfaces of the heat exchange fin.

[0021] The beneficial effect of adopting the above further scheme is that the shark scale-like groove has a special shape and a reasonable design, which increases the heat dissipation area. When the axial wind flows, it flows along the direction of the shark scale-like groove structure, which can reduce wind resistance and reduce wind noise.

[0022] Furthermore, it also includes an oil inlet pipeline and an oil outlet pipeline with one end open and the other end closed, one end of each of the heat exchange tubes is connected to the oil inlet pipeline, and the other end thereof is connected to the oil outlet pipeline; one end of the oil inlet pipeline is the oil inlet, and one end of the oil outlet pipeline is the oil outlet.

[0023] The beneficial effect of adopting the above further scheme is simple structure and reasonable design. The oil in the hydraulic motor is sent to multiple heat exchange tubes for heat exchange treatment through the oil inlet pipeline. At the same time, the oil after heat exchange in multiple heat exchange tubes is gathered through the oil outlet pipeline and sent to the oil tank, which is easy to use.

[0024] Furthermore, the two wind curtain units also include a fixing frame and a driving member respectively, and the two air bags are respectively mounted on the two fixing frames so as to be rotatable up and down; the two driving members are respectively mounted on the two fixing frames, and their two ends are respectively rotatably connected to the two fixing frames and the two air bags.

[0025] The beneficial effect of adopting the above further scheme is that during the operation, two driving members can be used to respectively drive the two wind bags to rotate, so as to drive the two bottom troughs and the nozzles thereon to rotate, thereby adjusting the angles of the nozzles and the wind bags to meet different operation requirements.

[0026] The utility model also relates to an agricultural sprayer, comprising the horizontal fan air curtain system as described above.

[0027] The beneficial effect of adopting the above further scheme is that the utility model also relates to an agricultural sprayer, which has a simple structure and a reasonable design. The agricultural sprayer can block the medicine sprayed by the sprayer so that the medicine is accurately sprayed on the crops, avoiding waste caused by wind scattering, and ensuring the spraying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2It is a schematic diagram of the three-dimensional structure of a single air curtain unit in the utility model;

[0030] Figure 3 It is the front view of the utility model;

[0031] Figure 4 for Figure 3 A magnified view of middle;

[0032] Figure 5 It is the assembly diagram of the stroke bag, fixing frame and driving member of the utility model;

[0033] Figure 6 It is a schematic diagram of the assembly of the driving member, the air bag and the bottom groove in the utility model;

[0034] Figure 7 It is a schematic diagram of the assembly of the nozzle and the bottom groove in the utility model;

[0035] Figure 8 It is a schematic diagram of the structure of the heat dissipation package in the utility model;

[0036] Fig. 9 for Figure 8 Enlarged view of middle B;

[0037] Fig.10 It is a schematic diagram of the structure of a single heat exchanger in the utility model.

[0038] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0039] 1. Air bag; 2. Bottom trough; 3. Fan body; 4. Hydraulic motor; 5. Heat dissipation package; 51. Oil inlet; 52. Oil outlet; 53. Heat exchanger; 54. Heat exchange tube; 55. Groove; 56. Oil inlet pipeline; 57. Oil outlet pipeline; 6. Fixed bracket; 7. Driving part; 8. Filter; 9. Swing arm; 10. Nozzle; 11. Fixed bracket; 12. Rotating bracket. DETAILED DESCRIPTION

[0040] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0041] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0043] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0044] Example 1

[0045] like Figures 1 to 10 As shown, the present embodiment provides a horizontal fan air curtain system, comprising two air curtain units, wherein the two air curtain units respectively comprise an air bag 1 and a bottom groove 2, wherein the two air bags 1 are horizontally relatively distributed and can be horizontally rotated and positioned, and the two air bags 1 can be rotated to the same straight line for operation or rotated to be distributed side by side for storage; the two bottom grooves 2 are respectively fixedly installed at the bottom of the two air bags 1, and are respectively parallel to the two air bags 1, and a plurality of air outlets connected to the corresponding air bags 1 are evenly spaced on the two bottom grooves 2; a horizontal fan is fixedly installed at the end of at least one end of each air bag 1.

[0046] During the operation, a nozzle 10 is fixedly installed on the bottom trough 2, and the nozzle 10 is located in front of the multiple air outlets; the medicine is sprayed downward from the nozzle 10, but the wind formed by the movement of the agricultural machinery will cause the medicine mist to drift backwards. At this time, the wind flow formed by the fan assembly is sprayed from multiple air outlets to form a wind wall, which blocks the medicine mist, so that the medicine mist is sprayed downward onto the crops, ensuring the effect of medicine spraying.

[0047] Preferably, in this embodiment, each of the above-mentioned air bags 1 can be provided with a horizontal fan at one end, or at both ends. The latter is preferred to ensure that when the air bag 1 is too long, each part inside it has sufficient wind force and a better blowing effect.

[0048] In addition, when transverse fans are respectively arranged at both ends of each air bag 1, the two transverse fans can be one large and one small (in size and power), or they can be of the same specifications.

[0049] Preferably, in this embodiment, the two air bags 1 are respectively made of rubber+polyester material.

[0050] In addition, the two air bags 1 are cylindrical structures with one end thick and the other end thin, and the thick ends are opposite to each other during operation.

[0051] Alternatively, the two air bags 1 may also be cylindrical structures with the same size.

[0052] Preferably, in this embodiment, the two bottom grooves 2 are preferably groove-shaped structures made of aluminum alloy material, and are respectively provided with a plurality of air outlets penetrating up and down.

[0053] In addition, a long strip opening is provided on the lower side of each air bag 1 , and the two sides of the upper side of each bottom groove 2 are respectively fixedly connected to the two sides of the opening of the air bag 1 , so that the multiple air outlets are respectively connected to the air bag 1 .

[0054] Alternatively, a plurality of pairs of air outlets are disposed on the lower side of the air bag 1 and the bottom groove 2 in a relative manner.

[0055] In order to improve the wind conveying capacity, the fan is placed horizontally to increase the horizontal wind conveying capacity. The fish-scale wind shield at the air outlet (the inclination angle of the fish-scale wind shield increases regularly with the air supply distance) can solve the problem of the large angle between the wind speed direction and the air outlet.

[0056] In order to solve the problem of low wind pressure and wind speed at the tail end of the air bag due to poor sealing of the air bag at the air bag outlet, an auxiliary small fan is now added to the tail end of the air bag. At the same time, to prevent the impact of large and small fans, partitions are added at the air bag outlet to form two air bags, large and small.

[0057] This embodiment has a simple structure and reasonable design, can reduce the drift phenomenon of the medicine sprayed by the sprayer, save 25% to 30% of pesticides, and enhance the penetration of the medicine, so that the medicine can be better attached to the crops, improve the working efficiency, and ensure the spraying effect; in addition, the fan is horizontally placed at the end of the wind bag, which is easy to assemble.

[0058] Example 2

[0059] Based on Example 1, in this embodiment, each of the fans includes a fan body 3 and a hydraulic motor 4. The hydraulic motor 4 is fixedly installed at the corresponding end of the wind bag 1, and is connected to the blades in the fan body 3 to drive the blades in the fan body 3 to operate.

[0060] This solution has a simple structure and a reasonable design. During operation, a hydraulic motor 4 is used to drive the fan blades in the fan body 3 to send external wind into the wind bag 1 to form a wind flow, and then spray it out from multiple air outlets on the bottom trough 2 to form a wind wall.

[0061] Based on the above scheme, the fan body 3 includes a cylinder weld and fan blades. The cylinder weld is fixedly mounted on the heat dissipation package 5. The fan blades and the hydraulic motor 4 are respectively mounted in the cylinder weld, and the hydraulic motor 4 drives the fan blades to rotate.

[0062] Example 3

[0063] On the basis of Example 2, in this embodiment, a filter screen 8 is fixedly mounted on one end of the fan body 3 away from the corresponding air bag 1 .

[0064] This solution has a simple structure and a reasonable design. The filter screen 8 can be used to prevent external impurities from entering the fan and affecting the operation of the fan.

[0065] Preferably, in this embodiment, the filter screen 8 is preferably a circular mesh structure.

[0066] In addition, a filter screen 8 is arranged at one end of each cylinder welded away from the corresponding air bag 1 to filter out larger impurities to prevent the impurities from affecting the operation of the fan.

[0067] Example 4

[0068] On the basis of any one of Examples 2 to 3, in this embodiment, each of the fans further includes a heat dissipation package 5, which is vertically fixedly mounted at the corresponding end of the wind bag 1, with both ends open and one end connected to the wind bag 1, and the fan body 3 is distributed at the other end of the heat dissipation package 5; the hydraulic motor 4 is fixedly mounted in the heat dissipation package 5, an oil cavity is provided in the heat dissipation package 5, and an oil inlet 51 and an oil outlet 52 connected to the oil cavity are also provided on the heat dissipation package 5, and the oil discharge port of the inner cavity of the hydraulic motor 4 is connected to the oil inlet 51 through a pipeline.

[0069] This solution uses a fan to send external wind into the wind bag 1, and the wind flow in the wind bag 1 is sprayed out from multiple air outlets to form a wind wall to block the drifting medicine mist and ensure the effect of medicine spraying;

[0070] During this process, the temperature of the oil in the hydraulic motor 4 increases, and the oil is sent to the heat dissipation package 5 for heat dissipation. The oil after heat dissipation is sent back to the oil tank to achieve the recycling of the oil.

[0071] Example 5

[0072] On the basis of Example 4, in this embodiment, the heat dissipation package 5 includes a plurality of heat exchange fins 53 and a plurality of annular heat exchange tubes 54, the plurality of heat exchange tubes 54 are respectively distributed vertically and spaced side by side along the axial direction of the air bag 1, and are provided with notches with both ends open; the inner cavities of the plurality of heat exchange tubes 54 constitute the oil cavity, one end of the plurality of heat exchange tubes 54 forms the oil inlet 51, and the other end forms the oil outlet 52; the plurality of heat exchange fins 53 are evenly spaced and fixedly sleeved on the plurality of heat exchange tubes 54 along the length direction of the heat exchange tubes 54, and are respectively provided with shark scale-like groove structures.

[0073] During heat exchange, the hydraulic motor 4 drives the fan body 3 to operate to form an airflow that passes through the plurality of heat exchange fins 53 to cool the oil in the plurality of heat exchange tubes 54, thereby facilitating heat exchange.

[0074] Based on the above solution, a plurality of heat exchange tubes 54 are respectively arranged horizontally, and are coaxially distributed from top to bottom.

[0075] In addition, the plurality of heat exchange fins 53 are preferably each a long strip-shaped sheet structure, and each extends along the axial direction of the heat exchange tube 54 .

[0076] Example 6

[0077] On the basis of Example 5, in this embodiment, the shark scale-like groove structure is respectively provided on at least one side surface of the plurality of heat exchange fins 53 .

[0078] The shark scale-like groove structure is reasonably distributed to ensure the heat exchange effect of the multiple heat exchange fins 53, thereby ensuring the heat dissipation effect.

[0079] Alternatively, the plurality of heat exchange fins 53 may not be provided with the above grooves, and a planar structure may be directly adopted, but the heat exchange effect of this structure is not as good as the above solution.

[0080] There are several different solutions for distributing the shark scale-like groove structure on the plurality of heat exchange fins 53:

[0081] Solution 1: Shark scale-like groove structures are distributed on one side surface of multiple heat exchanger fins 53, and the shark scale-like groove structures can be located on the same side surface of multiple heat exchanger fins 53, or the shark scale-like groove structures on some heat exchanger fins 53 can be located on the same side, and the shark scale-like groove structures on other parts of the heat exchanger fins 53 can be located on the other side.

[0082] Solution 2: Shark scale-like groove structures are respectively provided on the surfaces of both sides of the plurality of heat exchange fins 53 .

[0083] Solution 3: A shark scale-like groove structure is provided on one side or both sides of the surface of a portion of the heat exchange fins 53 , and no shark scale-like groove structure is provided on the remaining portion of the heat exchange fins 53 .

[0084] Example 7

[0085] On the basis of any one of Examples 5 to 6, in this embodiment, each of the shark scale-like groove structures includes a plurality of shark scale-like grooves 55 , and the plurality of grooves 55 are evenly spaced and distributed on the corresponding side surfaces of the heat exchange fin 53 .

[0086] The shark scale-like groove 55 has a special shape and a reasonable design, which increases the heat dissipation area. When the axial wind flows, it flows along the shark scale-like groove structure, which can reduce wind resistance and wind noise.

[0087] Example 8

[0088] On the basis of any one of Examples 5 to 7, this embodiment further includes an oil inlet pipeline 56 and an oil outlet pipeline 57 which are open at one end and closed at the other end, and one end of the plurality of heat exchange tubes 54 are respectively connected to the oil inlet pipeline 56, and the other end thereof are respectively connected to the oil outlet pipeline 57; one end of the oil inlet pipeline 56 is the oil inlet port 51, and one end of the oil outlet pipeline 57 is the oil outlet port 52.

[0089] This solution has a simple structure and reasonable design. The oil in the hydraulic motor 4 is sent to multiple heat exchange tubes 54 for heat exchange treatment through the oil inlet pipeline 56. At the same time, the oil in the multiple heat exchange tubes 54 after heat exchange is gathered through the oil outlet pipeline 57 and sent to the oil tank. It is easy to use.

[0090] Alternatively, both ends of the oil inlet pipeline 56 and the oil outlet pipeline 57 are closed, and in this case, the oil inlet 51 and the oil outlet 52 are respectively arranged between the ends of the oil inlet pipeline 56 and the oil outlet pipeline 57 .

[0091] Example 9

[0092] On the basis of the above embodiments, in this embodiment, the two wind curtain units further include a fixing frame 6 and a driving member 7 respectively, and the two air bags 1 are respectively mounted on the two fixing frames 6 so as to be rotatable up and down; the two driving members 7 are respectively mounted on the two fixing frames 6, and the two ends thereof are respectively rotatably connected to the two fixing frames 6 and the two air bags 1.

[0093] During operation, two driving members 7 can be used to respectively drive the two air bags 1 to rotate, so as to drive the two bottom troughs 2 and the nozzles 10 thereon to rotate, thereby adjusting the angles of the nozzles 10 and the air bags 1 to meet different operation requirements.

[0094] Preferably, in this embodiment, the sprayer includes two swing arms 9 that are relatively distributed, and two air bags 1 are fixedly mounted on the two swing arms 9 respectively; the two swing arms 9 can swing to a uniform straight line or be folded to the two sides of the whole machine, and the specific structure is: one end of the two swing arms 9 is respectively rotatably connected to the front end of the frame of the whole machine, and cylinders are respectively installed between the two swing arms 9 and the two sides of the whole machine, and the two ends of the two cylinders are respectively rotatably connected to the two sides of the whole machine and the two swing arms 9. When working, the two cylinders extend and drive the two swing arms 9 to expand so that the two air bags 1 are swung into a straight line; when not working, the two cylinders shrink and drive the two swing arms 9 to be folded to the two sides of the whole machine.

[0095] Based on the above solution, the two fixing frames 6 are fixedly mounted on the two swing arms 9 respectively.

[0096] In addition, each driving member 7 has two electric push rods, which are respectively distributed at two ends of the corresponding air bag 1 , and the two ends of each electric push rod are rotatably connected to the air bag 1 and the fixing frame 6 .

[0097] Alternatively, each driving member 7 may also include other suitable numbers of electric push rods, for example, three electric push rods. In this case, the three electric push rods are respectively distributed at both ends and the middle of the air bag 1 .

[0098] Alternatively, the air bag 1, the electric push rod, the bottom slot 2 and the fixed frame 6 can also be assembled in the following manner: one end of the fixed bracket 11 is fixedly connected to the fixed frame, and the other end is rotatably connected to the bottom slot 2; one end of the rotating bracket 12 is fixedly connected to the bottom slot 2, and the other end is rotatably connected to one end of the electric push rod fixedly connected to the fixed frame 6. During adjustment, when the electric push rod is extended or shortened, the bottom slot 2 can be controlled to rotate around the hinge structure of the fixed bracket and the bottom slot 2 by the rotating bracket, thereby controlling the air outlet angle.

[0099] Example 10

[0100] On the basis of the above embodiments, this embodiment further provides an agricultural sprayer, comprising the horizontal fan air curtain system as described above.

[0101] The present embodiment also relates to an agricultural sprayer, which has a simple structure and a reasonable design. The agricultural sprayer can block the medicine sprayed by the sprayer so that the medicine is accurately sprayed on crops, avoiding waste caused by wind scattering, thereby ensuring the spraying effect.

[0102] The working principle of the utility model is as follows:

[0103] During the operation, a nozzle 10 is fixedly installed on the bottom trough 2, and the nozzle 10 is located in front of the multiple air outlets; the medicine is sprayed downward from the nozzle 10, but the wind formed by the movement of the agricultural machinery will cause the medicine mist to drift backwards. At this time, the wind flow formed by the fan assembly is sprayed from multiple air outlets to form a wind wall, which blocks the medicine mist, so that the medicine mist is sprayed downward onto the crops, ensuring the effect of medicine spraying.

[0104] The beneficial effects of the utility model are as follows:

[0105] (1) A hydraulic motor fan (with adjustable speed, thus controlling wind speed) sucks air, and after passing through the air bag, delivers the air to the air outlets of the bottom trough below, forming a wind wall, which can prevent drug drift, increase drug penetration, and effectively prevent the influence of natural wind on drug spraying;

[0106] (2) The stroke of the electric push rod can also be adjusted to adjust the air outlet angle.

[0107] (3) The plate-type heat sink inside the fan barrel is replaced with a ring-shaped heat sink, which can improve heat dissipation efficiency, reduce wind resistance and reduce noise.

[0108] It should be noted that all electronic components involved in the present invention adopt the existing technology, and the above-mentioned components are electrically connected to the controller, and the control circuit between the controller and each component is the existing technology.

[0109] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0110] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0111] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A horizontal fan air curtain system, characterized in that: The invention comprises two wind curtain units, wherein the two wind curtain units respectively comprise a wind bag (1) and a bottom groove (2); the two wind bags (1) are horizontally arranged relative to each other and can be rotated and positioned horizontally; the two wind bags (1) can be rotated to the same straight line for operation or rotated to be arranged side by side for storage; the two bottom grooves (2) are respectively fixedly mounted on the bottom of the two wind bags (1) and are respectively parallel to the two wind bags (1); and a plurality of air outlets connected to the corresponding wind bags (1) are evenly spaced on the two bottom grooves (2); and a horizontal fan is fixedly mounted on at least one end of each wind bag (1).

2. The horizontal fan air curtain system according to claim 1, characterized in that: Each of the fans comprises a fan body (3) and a hydraulic motor (4); the hydraulic motor (4) is fixedly mounted at the corresponding end of the corresponding wind bag (1), and is connected to the fan blades in the fan body (3) to drive the fan blades in the fan body (3) to operate.

3. The horizontal fan air curtain system according to claim 2, characterized in that: A filter screen (8) is fixedly mounted on one end of the fan body (3) away from the corresponding air bag (1).

4. The horizontal fan air curtain system according to claim 2, characterized in that: Each of the fans further comprises a heat dissipation bag (5), the heat dissipation bag (5) being vertically fixedly mounted at the corresponding end of the corresponding wind bag (1), both ends of which are open, and one end of which is connected to the wind bag (1), and the fan body (3) is distributed at the other end of the heat dissipation bag (5); the hydraulic motor (4) is fixedly mounted in the heat dissipation bag (5), an oil cavity is provided in the heat dissipation bag (5), and an oil inlet (51) and an oil outlet (52) connected to the oil cavity are also provided on the heat dissipation bag (5), and the oil discharge port of the inner cavity of the hydraulic motor (4) is connected to the oil inlet (51) through a pipeline.

5. The horizontal fan air curtain system according to claim 4, characterized in that: The heat dissipation package (5) includes a plurality of heat exchange fins (53) and a plurality of annular heat exchange tubes (54). The plurality of heat exchange tubes (54) are vertically distributed and spaced side by side along the axial direction of the air bag (1), and are provided with notches with both ends open. The inner cavities of the plurality of heat exchange tubes (54) constitute the oil cavity, and one end of the plurality of heat exchange tubes (54) forms the oil inlet (51), and the other end forms the oil outlet (52). The plurality of heat exchange fins (53) are evenly spaced and fixedly sleeved on the plurality of heat exchange tubes (54) along the length direction of the heat exchange tubes (54), and are provided with shark scale-like groove structures.

6. The horizontal fan air curtain system according to claim 5, characterized in that: The shark scale-like groove structure is respectively provided on at least one side surface of the plurality of heat exchange fins (53).

7. The horizontal fan air curtain system according to claim 5, characterized in that: Each of the shark scale-like groove structures comprises a plurality of shark scale-like grooves (55), and the plurality of grooves (55) are evenly spaced and distributed on corresponding side surfaces of the heat exchange fin (53).

8. The horizontal fan air curtain system according to claim 5, characterized in that: It also includes an oil inlet pipeline (56) and an oil outlet pipeline (57) with one end open and the other end closed; one end of each of the plurality of heat exchange tubes (54) is connected to the oil inlet pipeline (56), and the other end thereof is connected to the oil outlet pipeline (57); one end of the oil inlet pipeline (56) is the oil inlet port (51), and one end of the oil outlet pipeline (57) is the oil outlet port (52).

9. The horizontal fan air curtain system according to any one of claims 1 to 8, characterized in that: The two wind curtain units further comprise a fixing frame (6) and a driving member (7), respectively; the two wind bags (1) are respectively mounted on the two fixing frames (6) so as to be rotatable up and down; the two driving members (7) are respectively mounted on the two fixing frames (6), and the two ends of the driving members (7) are respectively rotatably connected to the two fixing frames (6) and the two wind bags (1).

10. An agricultural sprayer, characterized in that: It comprises a horizontal fan air curtain system as described in any one of claims 1-9.

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