A humidity control spray apparatus for inducing infection of wheat and barley by fusarium diseases

By designing a humidity-controlled spraying device that uses a track and walking mechanism to drive the spray head movement, the problem of uneven spraying range and humidity control in traditional systems has been solved, enabling uniform spraying and standardized testing of wheat and barley infected with Fusarium head blight.

CN224291096UActive Publication Date: 2026-05-29YANGZHOU UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGZHOU UNIV
Filing Date
2025-07-09
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Traditional spraying facilities are difficult to control the spraying range and humidity effectively, which affects the standardization of disease-resistant variety evaluation and pesticide screening tests, and the spraying is labor-intensive.

Method used

Design a humidity control spraying device that includes a track device, a walking device, and a spraying device. The walking device drives the spray head to move along the track, and combined with the swing arm and drive component, it can achieve uniform coverage and rotational spraying of the spray head.

Benefits of technology

It improves the uniformity and coverage of spraying, adapts to the humidity requirements of different crops, reduces labor intensity, and meets the standardized requirements for evaluating disease-resistant varieties and screening pesticides.

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Abstract

The utility model discloses a kind of humidity control spraying equipment for inducing wheat scab infection, comprising: track device, walking device, spraying device, walking device can be set in track device along track device movement, spraying device includes: swing bar, first driving part, shower nozzle, swing bar is hinged in walking device, first driving part is connected with swing bar, first driving part is used to drive swing bar rotation, shower nozzle is installed in swing bar, and shower nozzle is used to spray liquid. By walking device driving spraying device movement along track device, on the one hand, improve the coverage of shower nozzle, on the other hand, spraying head movement process is sequentially carried out, and by displacement, the range of insufficient spraying can be supplemented, to improve the uniformity of spraying, meet the humidity demand of different crops to;Swing bar can be rotated, further improve the coverage of shower nozzle and the uniformity of spraying.
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Description

Technical Field

[0001] This utility model relates to the field of spraying technology, and in particular to a humidity-controlled spraying device that induces Fusarium head blight infection in wheat and barley. Background Technology

[0002] Fusarium head blight is an important ear disease caused by Fusarium graminearum during the flowering period of wheat and barley. Its occurrence is closely related to temperature (25-28℃) and humidity (relative humidity ≥85%). The pathogen's conidia are spread by air currents to infect the flowers. Sufficient humidity in the ear promotes spore germination and mycelial penetration, leading to grain mold and toxin accumulation. Under natural conditions, due to differences in climate, field humidity varies significantly between different days and at different times of the same day. The degree of Fusarium graminearum infection of wheat ears varies at different flowering stages; therefore, a humidity-maintaining device to induce infection is needed.

[0003] Traditional spraying systems often use fixed nozzles or handheld spray guns, making it difficult to effectively control the spraying range and water volume. Fluctuations in humidity loading time and intensity affect the standardization of disease-resistant variety evaluation and pesticide screening tests, resulting in insufficient spore infection rates. Therefore, there is an urgent need for a humidity-maintaining spraying system adapted to the growth characteristics of wheat and barley to induce Fusarium head blight infection in wheat and barley. Utility Model Content

[0004] This application provides a humidity-controlled spraying device that induces Fusarium head blight infection in wheat and barley. By installing the spray head in a walking device, the walking device drives the spray head to move along the track and perform spraying operations, thus avoiding the problems of poor uniformity of fixed-point spraying and high labor intensity of manual spraying.

[0005] The first aspect of this application provides a humidity-controlled spraying device for inducing infection of wheat scab, comprising:

[0006] Track device;

[0007] A walking device, which is movable along the track device, is disposed on the track device;

[0008] The spraying device includes:

[0009] The swing arm is hinged to the walking device;

[0010] A first driving component is connected to the swing arm, and the first driving component is used to drive the swing arm to rotate.

[0011] A spray head is mounted on the swing arm and is used to spray liquid.

[0012] The beneficial effects of the above embodiments are as follows:

[0013] (1) The spraying device is driven to move along the track device by the walking device. On the one hand, the coverage of the spraying head is increased. On the other hand, the spraying head sprays in sequence during the movement of the spraying head, and the area that is not sprayed enough can be supplemented by displacement, thereby improving the uniformity of spraying and meeting the humidity requirements of different crops.

[0014] (2) The swing arm can be rotated to further improve the coverage of the spray head and the uniformity of the spray.

[0015] Based on the above embodiments, the embodiments of this application can be further improved as follows:

[0016] In one embodiment of this application, the track device includes: a straight rail installed in the greenhouse; and a curved rail connected to the end of the straight rail. The beneficial effect of this step is that by combining the curved and straight rails, the shape of the greenhouse is adapted, increasing the coverage area of ​​the sprinkler system.

[0017] In one embodiment of this application, the walking device includes: a chassis; walking wheels rotatably connected to the chassis and rollingly disposed on the track device; and a drive assembly mounted on the chassis and drivenly connected to the walking wheels.

[0018] In one embodiment of this application: the drive assembly includes: a second drive member mounted on the chassis; and a differential disposed between the second drive member and the travel wheels. The beneficial effect of this step is to prevent the travel wheels from slipping on curved tracks.

[0019] In one embodiment of this application, the spraying device further includes a crossbeam mounted on the traveling device, with swing arms hinged to both sides of the crossbeam. The beneficial effect of this step is that the coverage area of ​​the spraying is increased through multiple swing arms.

[0020] In one embodiment of this application: the opening angle of the swing arm relative to the crossbeam is 0~90°.

[0021] In one embodiment of this application, it further includes a coil device installed on the traveling device, the coil device being used to wind around the pipe connected to the spray head.

[0022] In one embodiment of this application, it further includes a control device, which is electrically connected to the walking device and the spraying device. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0024] Figure 1 This is a schematic diagram of a humidity control spray system.

[0025] Figure 2 This is a schematic diagram of the track device.

[0026] Figure 3 This is a first structural schematic diagram of the walking device, the spraying device, and the coil device;

[0027] Figure 4 This is a second structural diagram of the walking device, spraying device, and coil device.

[0028] Among them, 1 track device, 101 straight rail, 102 curved rail;

[0029] 2. Walking device, 201. Chassis, 202. Walking wheel, 203. Drive assembly, 204. Drive wheel, 205. Driven wheel, 206. Second drive component, 207. Differential;

[0030] 3. Spraying device, 301. Swing rod, 302. First driving component, 303. Spray head, 304. Crossbeam;

[0031] 4. Coil assembly. Detailed Implementation

[0032] In this application, unless otherwise expressly specified and limited, the terms used should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral part; it can be a direct connection or an indirect connection through an intermediate medium. If electrical or electronic equipment is involved, it can also refer to an electrical connection or a communication signal connection, etc. For those skilled in the art, the specific meaning of different terms in this utility model can be understood according to the specific circumstances, and the scope of the specific meaning should be limited to achieving the function of this application.

[0033] In the description of this application, it should be understood that the directional terms or positional relationships described are based on the orientation or positional relationships shown in the accompanying drawings, or based on the orientation or positional relationships in actual use, and are only for the purpose of facilitating the description of the contents of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0034] Example 1

[0035] like Figure 1-4 As shown, a humidity-controlled spraying device for inducing wheat scab infection includes: a track device 1, a walking device 2, and a spraying device 3. The walking device 2 is mounted on the track device 1 and can move along the track device 1. The spraying device 3 includes: a swing arm 301, a first driving member 302, and a spray head 303. The swing arm 301 is hinged to the walking device 2. The first driving member 302 is connected to the swing arm 301 and is used to drive the swing arm 301 to rotate. The spray head 303 is mounted on the swing arm 301 and is used to spray liquid.

[0036] Specifically, the track device 1 is installed at the position of the greenhouse beam, and the walking device 2 is movable above the wheat or barley planting area via the track device 1, thereby avoiding interference from crops with the spraying equipment and avoiding occupying ground space.

[0037] When in use, this humidity-controlled spraying equipment moves along the track device 1 via the walking device 2, causing the spraying device 3 to move above the barley or wheat to be sprayed, so as to uniformly spray the crops within the spraying range. Depending on the division of the crop planting area, if it is necessary to repeat the treatment of different gradient pesticide concentrations or water volume, the spraying device 3 can perform multiple spraying operations through displacement. It can also drive the swing arm 301 through the first driving component 302 to drive the spraying head 303 to rotate and swing, thereby expanding the spraying range and maintaining the uniformity of spraying.

[0038] Example 2

[0039] Based on Example 1, such as Figure 2 As shown, the track device 1 includes: a straight rail 101 and a curved rail 102, with the straight rail 101 and the curved rail 102 connected and installed in the greenhouse.

[0040] Specifically, the straight rail 101 and the curved rail 102 are made of I-beams. I-beams are highly designable and easy to cut and weld. In addition, I-beams are resistant to aging. Since their raw material is mainly steel, their impact resistance and wear resistance are better than those of other material substitutes, so their service life is also longer.

[0041] Specifically, such as Figure 2As shown, this embodiment provides a U-shaped track device 1. The curved rail 102 has a semi-circular arc structure, and the end of the curved rail 102 is connected to the straight rail 101. Both the straight rail 101 and the curved rail 102 are connected to the supporting beam of the greenhouse. They can be connected by welding, bolt fixing or other methods. The lower ends of both the curved rail 102 and the straight rail 101 are connected to the diagonal bracing beams, which are connected to the roof beams, thereby improving the structural strength and stability of the track device 1. The curved rail 102 is used to turn the sprinkler device 3. The crop planting area is mainly located on both sides of the straight rail 101. The curved rail 102 makes the entire track device 1 form a U-shaped structure, which facilitates the expansion of the spraying range of the sprinkler device 3.

[0042] Example 3

[0043] Based on Example 2, such as Figure 3 , 4 As shown, the walking device 2 includes: a chassis 201, walking wheels 202, and a drive assembly 203. The walking wheels 202 are rotatably connected to the chassis 201 and are rolled on the track device 1. The drive assembly 203 is installed on the chassis 201 and is drivenly connected to the walking wheels 202.

[0044] Specifically, the traveling wheel 202 is mounted on the rotating shaft, the rotating shaft is mounted on the bearing housing, the bearing housing is mounted on the chassis 201, and the traveling wheel 202 cooperates with the track 1.

[0045] Specifically, the traveling wheel 202 includes: driving wheel 204 and driven wheel 205. There are two driving wheels 204 and two driven wheels 205, which are symmetrically connected to both sides of the chassis 201.

[0046] Example 4

[0047] Based on Example 3, such as Figure 3 , 4 As shown, the drive assembly 203 includes: a second drive component 206 and a differential 207. The second drive component 206 is mounted on the chassis 201, and the differential 207 is disposed between the drive component and the wheels 202.

[0048] Specifically, such as Figure 1 , 3 As shown in Figure 4, the second drive component 206 is a motor, such as a geared motor, speed-regulating motor, stepper motor, servo motor, etc. The second drive component 206 is bolted to the middle of the chassis 201. The motor spindle is connected to the input shaft of the differential 207, and the output shaft of the differential 207 is connected to the drive wheel 204 through a rotating shaft. In use, the traveling wheel 202 can effectively increase the contact area between the traveling device 2 and the track device 1, and the differential 207 ensures that the traveling wheel 202 is in pure rolling motion when turning, thereby making the movement of the overall structure more stable.

[0049] Example 5

[0050] Based on Example 4, such as Figure 3 As shown, the spraying device 3 also includes a crossbeam 304, which is installed on the walking device 2, and swing rods 301 are hinged to both sides of the crossbeam 304.

[0051] Specifically, such as Figure 3 As shown, the crossbeam 304 is fixedly connected to the chassis 201 by bolts or welding. One end of the rocker arm 301 is hinged to the end of the crossbeam 304, and the other end is hinged to the end of the second drive component 206. The second drive component 206 adopts products with linear drive function such as hydraulic cylinder, electric push rod, and air cylinder. Taking the use of hydraulic cylinder as an example, one end of the cylinder body is hinged to the crossbeam 304, and the end of the piston rod is hinged to the rocker arm 301.

[0052] Specifically, such as Figure 3 As shown, a swing arm 301 is symmetrically arranged on both sides of the crossbeam 304. The swing arm 301 extends to both sides of the straight rail 101. Two spray heads 303 are installed through the two swing arms 301, thereby increasing the coverage of the spraying operation of the spray head 303.

[0053] Example 6

[0054] Based on Embodiment 5, the opening angle of the swing arm 301 relative to the crossbeam 304 is 0~90°.

[0055] Specifically, the maximum rotation angle of the rocker arm 301 around its hinge point with the crossbeam 304 is 90°.

[0056] Example 7

[0057] Based on Example 6, such as Figure 3 As shown, the humidity control spray equipment further includes a coil device 4, which is installed on the walking device 2 and is used to wind around the pipe connected to the spray head 303.

[0058] Specifically, the coil device 4 includes: a coil and a transmission assembly. The coil has an I-beam structure. The coil is rotatably connected to the chassis 201 via a shaft. The shaft is connected to the rotating shaft on which the drive wheel 204 is mounted via the transmission assembly. The transmission assembly uses chain drive. The sprocket is mounted on the shaft and the rotating shaft. The chain is wound between the two sprockets. The rotation of the drive wheel 204 drives the coil to rotate, thereby realizing the function of actively winding the hose connected to the spray head 303 onto the coil or winding it off the coil.

[0059] Example 8

[0060] On the basis of any of the above embodiments, the humidity control spraying device further includes: a control device, which is electrically connected to the traveling device 2 and the spraying device 3 by electric control signals.

[0061] Specifically, the control device adopts a PLC controller, and the PLC controller is electrically connected to the first driving member 302, the second driving member 206 by electric control signals, and is also electrically connected to the hydraulic pump connected to the spray head 303 by electric control signals.

[0062] Specifically, the PLC controller is electrically connected to the motor controller, the PLC controller is electrically connected to the motor of the hydraulic pump in the hydraulic system supporting the hydraulic cylinder, the PLC controller is electrically connected to the motor of the hydraulic pump controlling the spraying of the liquid by the spray head 303, and the PLC controller is also equipped with a matching remote controller. When in use, the user operates the remote controller, and through the PLC controller, controls the forward and backward movement of the traveling device 2, the swing of the swing rod 301 and the spraying operation of the spray head 303.

[0063] The above are only the embodiments of the present utility model. Common knowledge such as specific structures and characteristics known in the art are not described in detail herein. Those of ordinary skill in the art know all the common technical knowledge in the technical field to which the utility model belongs before the filing date or the priority date, can know all the prior arts in this field, and have the ability to apply conventional experimental means before this date. Those of ordinary skill in the art can, under the inspiration given in this application, combine their own abilities to complete and implement this solution. Some typical known structures or known methods should not become an obstacle for those of ordinary skill in the art to implement this application. It should be noted that for those skilled in the art, without departing from the structure of the present utility model, several modifications and improvements can still be made, and these should also be regarded as the protection scope of the present utility model, and these will not affect the implementation effect of the present utility model and the practicality of the patent.

Claims

1. A humidity-controlled spraying device for inducing Fusarium head blight infection in wheat and barley, characterized in that, include: Track device; A walking device is installed on the track device and can move along the track device; The spraying device includes: The swing arm is hinged to the walking device; A first driving component is connected to the swing arm, and the first driving component is used to drive the swing arm to rotate. A spray head is mounted on the swing arm and is used to spray liquid.

2. The humidity-controlled spraying device according to claim 1, characterized in that, The track device includes: Straight rails, installed inside the greenhouse; The curved rail is connected to the end of the straight rail.

3. The humidity-controlled spraying device according to claim 1, characterized in that, The walking device includes: Chassis; The traveling wheels are rotatably connected to the chassis and are rolled on the track device. A drive assembly is mounted on the chassis and driven by the wheels.

4. The humidity-controlled spraying device according to claim 3, characterized in that, The driving component includes: The second drive unit is mounted on the chassis; A differential is located between the second drive unit and the traveling wheel.

5. The humidity-controlled spraying device according to claim 1, characterized in that, The spraying device also includes: A crossbeam is installed on the walking device, and swing arms are hinged to both sides of the crossbeam.

6. The humidity-controlled spraying device according to claim 5, characterized in that, The opening angle of the swing arm relative to the crossbeam is 0~90°.

7. The humidity control spraying device according to claim 1, characterized in that, Also includes: A coil device is installed on the traveling device, and the coil device is used to wind around the pipe connected to the spray head.

8. The humidity-controlled spraying device according to claim 1, characterized in that, Also includes: The control device is electrically connected to the walking device and the spraying device.