Plant growth regulator spraying device

Abstract

The utility model provides a plant growth regulator spraying device relates to the field of agricultural technology, including the agent pipe, and its drainage end is sealed structure, a pair of guide tubes, radially symmetry rotation intercommunication is established in the drainage end, forms the dynamic deflection guide of constant flow of liquid relative to the agent pipe, a pair of arc rods, each arc rod symmetry sets up in the drainage end relative to each guide tube's deflection guide, under normal circumstances, each guide tube forms the penetration of plant canopy gap of cluster jet under the restraint of each arc rod resistance end. The utility model discloses through the action of driving part, can synchronous trigger the deflection of guide tube and the change of flow passage form, makes the device seamless switching between the cluster water curtain and the dispersion water mist two kinds of modes, and this time sequence nature first penetration, after the dispersion work logic, has solved the technical contradiction of traditional device unable to give consideration to penetration and covering uniformity fundamentally.

Description

Technical Field

[0001] This utility model relates to the field of agricultural technology, and in particular to a plant growth regulator spraying device. Background Technology

[0002] Controlling flowering and fruiting in tea trees is a key management measure to improve tea yield and quality. Excessive flowering and fruiting will cause nutrients to be diverted to reproductive growth, which will not only reduce tea yield but also weaken the tree and increase the risk of pests and diseases.

[0003] Currently, ethephon, as an effective plant growth regulator, can promote the abscission of unpollinated flowers and young fruits by decomposing to produce ethylene, thus achieving flower and fruit thinning. Studies have shown that timely and appropriate application can increase the flower drop rate to over 80% and increase tea yield by about 20%.

[0004] However, existing spraying technologies have significant limitations. The dense canopy of tea trees makes it difficult for droplets from traditional sprayers to effectively penetrate the outer foliage, resulting in excessive pesticide deposition on the outer surface of the canopy and insufficient coverage inside. This not only affects the thinning effect but also easily leads to phytotoxicity of the leaves due to uneven pesticide application, becoming a key factor restricting the full effectiveness of the technology. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a plant growth regulator spraying device, which solves the technical problem that droplets generated by traditional spraying devices cannot effectively penetrate the outer leaf canopy.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a plant growth regulator spraying device, comprising:

[0007] The delivery pipe has a sealed drain end.

[0008] A pair of guide tubes are radially symmetrically rotated and connected at the drain end, forming a dynamic deflection guide relative to the constant flow of liquid in the delivery tube;

[0009] A pair of arc-shaped rods are symmetrically arranged at the drainage end relative to the deflection and guidance of each of the guide tubes. Under normal conditions, each of the guide tubes forms a concentrated jet that penetrates the gaps in the plant canopy under the constraint of the contact ends of each of the arc-shaped rods.

[0010] The driving component, located at the drainage end and between the pair of guide tubes, pushes the pair of guide tubes to dynamically deflect in opposite directions during startup, forming a physical separation relative to the gaps in the plant canopy. At the same time, the contact ends of each of the arc-shaped rods squeeze each of the guide tubes, transforming the jet into a water mist that diffuses and separates the space.

[0011] Preferably, the guide tube comprises:

[0012] A spherical steering part, whose rotational connection is provided at the drain end;

[0013] The spray section extends radially along the turning section and has a flexible area on its wall. When the driving member drives the guide tube to deflect, the contact end of the arc-shaped rod forms a radial extrusion interaction force with the flexible area.

[0014] Preferably, the compressive interaction force between the arc-shaped rod contact end and the flexible area varies with the driving state of the driving member.

[0015] Preferably, the flexible region forms a complete flow channel with the rigid part of the spray section under normal conditions, and when subjected to extrusion force, the flexible region forms a concave deformation toward the axis of the flow channel.

[0016] Preferably, the pair of guide tubes are configured to deflect symmetrically toward or away from each other about a common axis, with a maximum deflection angle of 20°-40°.

[0017] By employing the above technical solution, this utility model provides a plant growth regulator spraying device, which has at least the following beneficial effects:

[0018] 1. This utility model can simultaneously trigger the deflection of the guide tube and the change of the flow channel shape by the action of the driving component, so that the device can seamlessly switch between the two modes of clustered water curtain and diffused water mist. This sequential first-penetration and then-diffusion working logic fundamentally solves the technical contradiction that traditional devices cannot take into account both penetration power and coverage uniformity.

[0019] 2. This utility model integrates mechanical separation function and fluid atomization function into the same action. When the guide tube deflects in opposite directions, on the one hand, it acts as an actuator to generate a lateral separation force on the external branches and leaves, actively opening windows for the dense canopy and creating an optimized diffusion space; on the other hand, it interacts with the arc-shaped rod, acting as a deformation generator to squeeze the flow channel and achieve efficient liquid atomization. This synergistic mechanism ensures that the created space can be perfectly filled and utilized by the instantaneously generated water mist, maximizing the effect.

[0020] 3. When the guide tube of this invention is deflected to the extreme position, the mechanical force applied will induce the elastic rebound and swaying of the plucked branches after reaching its peak. This dynamic swaying and the water mist diffused in the space produce violent three-dimensional relative motion, which greatly improves the collision frequency and adhesion uniformity of the droplets and the various surfaces of the plant target, and realizes active and enhanced dynamic mixing. This effect is far superior to static spraying or passive mixing that relies on natural wind. Attached Figure Description

[0021] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a partial cross-sectional view of the present invention.

[0024] Figure 3 This is a schematic diagram of one of the states of the present invention during use;

[0025] Figure 4 This is a schematic diagram of the two states of the present invention during use.

[0026] In the diagram: 1. Delivery tube; 2. Guide tube; 21. Steering section; 22. Spraying section; 221. Flexible zone; 3. Arc rod; 4. Drive component. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please refer to Figures 1-4 This embodiment proposes a plant growth regulator spraying device, including:

[0029] The delivery pipe 1 has a sealed drain end, and the regulator transported in the delivery pipe 1 is a manually or electrically controllable intermittent flow.

[0030] A pair of guide tubes 2 are radially symmetrically rotated and connected at the drain end, forming a dynamic deflection guide relative to the constant flow of liquid in the delivery tube 1;

[0031] A pair of arc-shaped rods 3 are symmetrically arranged at the drainage end relative to the deflection and guidance of each guide tube 2. Under normal conditions, each guide tube 2 forms a concentrated jet that penetrates the gaps in the plant canopy under the constraint of the contact ends of each arc-shaped rod 3.

[0032] The driving component 4 is located at the drainage end and between a pair of guide tubes 2. The driving component 4 adopts a double-headed cylinder. By activating the double-headed cylinder, the opposite telescopic ends push the hinged slider to engage and slide in the groove opened on the outer wall of the guide tube 2, thereby realizing the opposite deflection of the guide tube 2. The driving component 4 can also realize the opposite deflection of the guide tube 2 through the cooperation of a motor and gear, or through the cooperation of a motor and connecting rod, or through technical means known to those skilled in the art.

[0033] When the drive unit 4 is activated, it pushes a pair of guide tubes 2 to dynamically deflect in opposite directions to form a physical separation relative to the gaps in the plant canopy. At the same time, the contact ends of each arc rod 3 squeeze each guide tube 2 to transform the jet into a water mist that diffuses and separates the space.

[0034] like Figures 1-3 As shown, the first stage is the cluster penetration mode (water curtain state). The trigger condition is that the drive component 4 is not activated and extended. Without the drive component 4 providing thrust, the pair of guide tubes 2 are forced to maintain a stable parallel state under the static constraint of the contact ends of the pair of arc-shaped rods 3. The liquid delivered from the delivery tube 1 flows through the pair of parallel guide tubes 2. Its flow path is smooth and its cross-section is constant, so the liquid kinetic energy is concentrated and converges at the outlet to form a cluster water curtain (or water column) with high kinetic energy and strong directionality. The core function of this water curtain is to penetrate the dense plant canopy (such as tea trees), overcome the physical obstruction of branches and leaves, and accurately deliver plant growth regulators to the internal areas and deep flowers and fruits that cannot be effectively covered by conventional spraying.

[0035] Guide tube 2 includes:

[0036] A spherical turning part 21 is rotatably connected to the drain end;

[0037] The spray section 22 extends radially along the turning section 21 and has a flexible area 221 on its wall. The flexible area 221 can be made of rubber material or can be deformed by means known to those skilled in the art. When the driving member 4 drives the guide tube 2 to deflect, the contact end of the arc rod 3 forms a radial extrusion interaction force with the flexible area 221.

[0038] like Figure 4As shown, the second stage is the synergistic atomization and space creation mode (water mist state), triggered by the extension and activation of the drive component 4. The output force of the drive component 4 acts on a pair of guide tubes 2, driving them to deflect in opposite directions around a common axis. This action causes its physical structure to directly act on the external canopy, generating a lateral mechanical force to separate the branches and leaves, actively separating the dense branches and leaves to create a temporary, optimized diffusion space. At the same moment the guide tubes 2 deflect, the spray section 22 moves relative to the contact end of the fixed arc-shaped rod 3. The contact end of the arc-shaped rod 3 radially compresses the flexible area 221, causing it to undergo a concave deformation towards the channel axis. This deformation causes the channel cross-section to suddenly contract and its shape to change dramatically. The liquid velocity surges and internal turbulence intensifies here, resulting in efficient shearing and atomization, ultimately transforming into a diffused water mist with a large coverage area at the outlet. In this stage, mechanical separation and fluid atomization are triggered synchronously and work synergistically by the same action. The physical space created by the force of the deflection is filled with the instantaneously generated water mist, achieving precise synchronization between opening the window and spreading the mist.

[0039] The compressive interaction force between the contact end of the arc-shaped rod 3 and the flexible zone 221 varies with the driving state of the drive member 4. Under normal conditions, the flexible zone 221 forms a complete flow channel with the rigid part of the spray section 22. When subjected to compressive interaction force, the flexible zone 221 forms a concave deformation towards the axis of the flow channel. A pair of guide tubes 2 are configured to deflect symmetrically towards or away from each other about a common axis, with a maximum deflection angle of 20°-40°.

[0040] like Figure 4 As shown, the third stage is the dynamic forced mixing mode (effect sublimation state), triggered when the guide tube 2 deflects to its maximum angle and the arc-shaped rod 3's contact end compresses the flexible area 221 to its deformation limit. At this point, the mechanical dispersing force applied by the device reaches its peak. When this force is insufficient to completely overcome the rigid restoring force of the branches and stems, the dispersed branches will not remain stationary but will instead exhibit a strong elastic rebound and swaying. This forced swaying, actively induced by the device, generates intense three-dimensional relative motion with the water mist permeating the newly created space. This dynamic environment significantly disrupts the boundary layer, increasing the collision frequency and adhesion uniformity of the mist droplets with the surfaces of the flowers and fruits, achieving an active and enhanced dynamic mixing.

[0041] Furthermore, the forced branch swaying induced by the device not only achieves three-dimensional dynamic mixing of water mist and canopy, but the periodic mechanical force generated can also effectively break the surface tension of the mist droplets attached to flowers and fruits, causing them to spread and form a liquid film. It also disturbs the flower and fruit interface layer through micro-vibration, indirectly promoting the inward transport of the agent, thereby significantly improving the penetration and absorption efficiency of plant growth regulators (such as ethephon) on the surface of flowers and fruits, overcoming the defects of rapid droplet evaporation and poor absorption under static spraying.

[0042] By combining the above working principle chain of penetration-diffusion-mixing, the contradiction between penetration and coverage in traditional technologies has been resolved. This allows plant growth regulators to be precisely delivered to the flower and fruit parts inside the canopy and to make full and uniform contact with them. This greatly improves the efficiency of the agent in inducing ethylene production and promoting the abscission of unpollinated flowers and young fruits, effectively maintaining the healthy growth of tea trees and improving quality and final yield.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A plant growth regulator spraying device, characterized in that, include: The delivery pipe has a sealed drain end. A pair of guide tubes are radially symmetrically rotated and connected at the drain end, forming a dynamic deflection guide relative to the constant flow of liquid in the delivery tube; A pair of arc-shaped rods are symmetrically arranged at the drainage end relative to the deflection and guidance of each of the guide tubes. Under normal conditions, each of the guide tubes forms a concentrated jet that penetrates the gaps in the plant canopy under the constraint of the contact ends of each of the arc-shaped rods. The driving component, located at the drainage end and between the pair of guide tubes, pushes the pair of guide tubes to dynamically deflect in opposite directions during startup, forming a physical separation relative to the gaps in the plant canopy. At the same time, the contact ends of each of the arc-shaped rods squeeze each of the guide tubes, transforming the jet into a water mist that diffuses and separates the space.

2. The plant growth regulator spraying device according to claim 1, characterized in that... The guide tube includes: A spherical steering part, whose rotational connection is provided at the drain end; The spray section extends radially along the turning section and has a flexible area on its wall. When the driving member drives the guide tube to deflect, the contact end of the arc-shaped rod forms a radial extrusion interaction force with the flexible area.

3. The plant growth regulator spraying device according to claim 2, characterized in that: The compressive interaction force between the arc-shaped rod contact end and the flexible area varies with the driving state of the driving component.

4. The plant growth regulator spraying device according to claim 3, characterized in that: Under normal conditions, the flexible region is coplanar with the rigid part of the spray section to form a complete flow channel. When subjected to extrusion force, the flexible region forms a concave deformation toward the axis of the flow channel.

5. The plant growth regulator spraying device according to claim 4, characterized in that: The pair of guide tubes are configured to deflect symmetrically toward or away from each other about a common axis, with a maximum deflection angle of 20°-40°.

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