CN111567289B

CN111567289B - System for preventing and treating gas diseases and insect pests of greenhouse

Info

Publication number: CN111567289B
Application number: CN202010466117.4A
Authority: CN
Inventors: 孟凡豹; 梁富仓
Original assignee: Anhui Yifeng Ecological Agriculture Technology Co ltd
Current assignee: Anhui Yifeng Ecological Agriculture Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-07-30
Anticipated expiration: 2040-05-28
Also published as: CN111567289A

Abstract

The invention discloses a gas disease and pest control system for a greenhouse, which comprises the greenhouse, wherein an ozone generator is arranged outside the greenhouse, a support column is fixedly connected to a middle air deflector, a rotary blade is fixedly arranged on a rotary rod, a ball is fixedly arranged on a pressure rod, a vent is arranged at the position of a lower baffle plate corresponding to the ball, and a filter screen plate is movably arranged on a guide rail; the exhaust pipe is communicated with a return pipe, the return pipe extends into the greenhouse and is communicated with the ozone pipe, and the exhaust pipe is communicated with the irrigation water tank. The invention provides a gas pest control system for a greenhouse, ozone is distributed more uniformly, the concentration difference between the near end and the far end is small, ozone gas can be recycled, the pest control effect on high seedling crops is improved, redundant ozone can be dissolved in irrigation water for recycling, the operation is simple, the pest control effect is good, and the system is very worthy of popularization.

Description

System for preventing and treating gas diseases and insect pests of greenhouse

Technical Field

The invention relates to the technical field of pest control, in particular to a gas pest control system for a greenhouse.

Background

In the prior art, the greenhouse fruit and vegetable disease ozone control system with the application number of '201510544764.1' comprises an ozone generator, an ozone concentration sensor, an intelligent controller, an ozone leakage pipe and a fan; the ozone generator and the fan are arranged outside the greenhouse, and an air inlet of the fan is communicated with an ozone outlet of the ozone generator through a gas conveying pipe; the ozone air leakage pipe is transversely arranged in the greenhouse in a penetrating manner, and one end of the ozone air leakage pipe, which is close to the fan, extends out of the greenhouse and is communicated with an air outlet of the fan; the ozone concentration sensors are uniformly distributed on the upper side and the lower side of the ozone leakage pipe; the intelligent controller is internally provided with a signal converter, a microprocessor, a relay and a controller, wherein the ozone concentration sensor is sequentially connected with the signal converter and the microprocessor, the ozone generator is sequentially connected with the relay, the controller and the microprocessor, and the ozone control system for the greenhouse fruit and vegetable diseases maintains the ozone concentration in the greenhouse in the concentration range of effective sterilization and disease removal so as to continuously sterilize and remove the diseases and insect pests and effectively improve the control efficiency of the diseases and insect pests.

However, the method still has the obvious defects in the using process: 1. the device discharges ozone by arranging the air leakage holes on the ozone air leakage pipe, but the discharged ozone is diffused unevenly, more ozone can be discharged from the air leakage hole at one end closer to the ozone generator, the problems that the crops are damaged by overhigh ozone concentration and the ozone is not generated at a distance are caused, and the prevention and control effect of ozone gas on plant diseases and insect pests cannot be ensured; 2. the specific gravity of the ozone is greater than that of the air, so that the ozone can quickly fall onto the ground after being discharged, and although the ozone can be used for preventing and controlling diseases and insect pests of short crops, the ozone does not have sufficient contact time with high seedling crops, so that the overall prevention and control effect is poor; 3. when the ozone is excessively added or the residual ozone needs to be discharged after the ozone is used, the device can only directly discharge the ozone gas into the external environment, and the excessive ozone can cause pollution, potential safety hazards and great resource waste.

Disclosure of Invention

The invention aims to provide a gas pest control system for a greenhouse to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a gas disease and pest control system for a greenhouse comprises the greenhouse, wherein an ozone generator is arranged outside the greenhouse, an ozone pipe is arranged on the ozone generator, the ozone pipe extends into the greenhouse, a one-way valve is arranged in the ozone pipe, a communicating pipe is communicated with the ozone pipe and is arranged in an upper baffle plate in a penetrating manner, supporting rods are fixedly arranged on the inner wall of the communicating pipe, supporting columns are fixedly arranged between the supporting rods, the supporting columns are fixedly connected to a middle air deflector, a plurality of upper bearing seats are embedded in one side, away from the upper baffle plate, of the middle air deflector, a rotating rod is movably arranged in the upper bearing seats, one ends, away from the upper bearing seats, of the rotating rod are movably arranged in lower bearing seats, the lower bearing seats are embedded in the lower baffle plate, and the upper baffle plate and the lower baffle plate are both fixedly arranged in the greenhouse, the rotary rod is fixedly provided with rotary blades, one end of each rotary blade, which is close to the lower baffle plate, is fixedly provided with a concave rod, a compression spring is connected in a groove of the concave rod and connected to the compression rod, a ball body is fixedly arranged on the compression rod, a vent is arranged at the position, corresponding to the ball body, of the lower baffle plate, a guide rail is fixedly arranged on the side wall of the vent, the bottom of the guide rail is fixedly provided with a limiting part, the guide rail is movably provided with a filter screen plate, and a return spring is connected between the filter screen plate and the limiting part;

the bottom of the greenhouse is communicated with an exhaust pipe, an air pump is arranged on the exhaust pipe, a return pipe is arranged on the exhaust pipe in a communicated manner, the return pipe extends into the greenhouse and is communicated with an ozone pipe, a first valve is arranged on one side of the return pipe close to the exhaust pipe, a second valve is arranged on one side of the return pipe close to the ozone pipe, an exhaust pipe is arranged on the exhaust pipe in a communicated manner, a third valve is arranged on the exhaust pipe, and the exhaust pipe is communicated with an irrigation water tank;

and an upper layer ozone concentration sensor and a lower layer ozone concentration sensor are respectively arranged in the greenhouse.

Preferably, the total cross-sectional area of the support rod and the support column is smaller than that of the communicating pipe.

Preferably, a cleaning net is arranged at the joint of the exhaust pipe and the greenhouse.

Preferably, an air inlet machine is communicated with the greenhouse.

Preferably, the upper layer ozone concentration sensor is arranged at a position 30cm below the lower baffle, and the lower layer ozone concentration sensor is arranged at a height of 10cm above the soil.

Compared with the prior art, the invention has the beneficial effects that:

1. the device is provided with the middle air deflector, the rotary rod, the rotary blades and other related structures, and can uniformly disperse ozone between the upper baffle and the lower baffle, so that the ozone finally uniformly flows out of the ventilation opening, the crops in the greenhouse can be comprehensively prevented and treated from diseases and insect pests, and the defects that the concentration of the ozone at the inlet end is high, and the concentration of the ozone at a position slightly far away is low or even none in the prior art are overcome;

2. the device is provided with the exhaust pipe, the return pipe and the exhaust pipe which form a three-way pipe, when more high-seedling crops exist in the greenhouse, the exhaust pipe and the return pipe can be communicated at the moment due to the fact that ozone has high specific gravity and short action time, the ozone at the bottom can enter the vent to be discharged for recycling, when the ozone is excessively added or residual ozone needs to be discharged after the ozone is used, the exhaust pipe and the exhaust pipe can be communicated, the residual ozone is guided into the irrigation water tank, the ozone is dissolved in water to form ozone water, the device is convenient to deinsectize and sterilize again during irrigation, and the operation is simple;

3. ozone in this device is discharged from the vent to get into warmhouse booth's inside, and the activity is provided with filter plate in the vent, avoid pollen, the piece that the crop produced, perhaps baffle under the fly etc. passes, when rotating vane is rotatory, both can homogenize the ozone gas, also can drive spheroid intermittent type nature striking filter plate, avoid filter plate to block up.

The invention provides a gas pest control system for a greenhouse, ozone is distributed more uniformly, the concentration difference between the near end and the far end is small, ozone gas can be recycled, the pest control effect on high seedling crops is improved, redundant ozone can be dissolved in irrigation water for recycling, the operation is simple, the pest control effect is good, and the system is very worthy of popularization.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the invention at B in FIG. 1;

fig. 4 is a schematic view of the position of the vent of the present invention on the lower baffle plate.

In the figure: 1 greenhouse, 2 ozone generators, 3 ozone pipes, 4 one-way valves, 5 communicating pipes, 6 upper baffle plates, 7 support rods, 8 support columns, 9 middle air guide plates, 10 upper bearing seats, 11 rotating rods, 12 lower bearing seats, 13 lower baffle plates, 14 rotating blades, 15 concave rods, 16 compression springs, 17 pressure rods, 18 spheres, 19 ventilation openings, 20 guide rails, 21 limiting parts, 22 filter screen plates, 23 restoring springs, 24 exhaust pipes, 25 cleaning nets, 26 suction pumps, 27 return pipes, 28 valves I, 29 valves II, 30 exhaust pipes, 31 valves III, 32 irrigation water tanks, 33 upper ozone concentration sensors, 34 lower ozone concentration sensors and 35 air inlets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a system for preventing and treating diseases and insect pests of greenhouse gases comprises a greenhouse 1, wherein an ozone generator 2 is arranged outside the greenhouse 1, the ozone generator 2 can adopt WH-K-E60 type or other equipment with proper type manufactured by Nanjing Wao ring science and technology industry Co., Ltd, an ozone pipe 3 is arranged on the ozone generator 2, the ozone pipe 3 extends into the greenhouse 1, a one-way valve 4 is arranged in the ozone pipe 3, the one-way valve 4 is arranged to ensure that ozone can only flow out of the ozone pipe 3 and enter a communicating pipe 5, the ozone can not flow back to enter the ozone pipe 3, a communicating pipe 5 is arranged on the ozone pipe 3 in a communicating way, the communicating pipe 5 is arranged in an upper baffle 6 in a penetrating way, supporting rods 7 are fixedly arranged on the inner wall of the communicating pipe 5, supporting columns 8 are fixedly arranged between the supporting rods 7, and the supporting columns 8 are fixedly connected on a middle air deflector 9, the middle air deflector 9 plays a role in guiding and limiting the flow direction of ozone gas, a plurality of upper bearing seats 10 are embedded in one side of the middle air deflector 9, which is far away from the upper baffle 6, a rotating rod 11 is movably arranged in the upper bearing seats 10, one end of the rotating rod 11, which is far away from the upper bearing seats 10, is movably arranged in the lower bearing seats 12, the rotating rod 11 can rotate in the upper bearing seats 10 and the lower bearing seats 12, the lower bearing seats 12 are embedded in the lower baffle 13, the upper baffle 6 and the lower baffle 13 are fixedly arranged in the greenhouse 1, in order to ensure the effect, the cross sections of the upper baffle 6 and the lower baffle 13 can be set to be equal to that of the greenhouse 1, rotating blades 14 are fixedly arranged on the rotating rod 11, the rotating blades 14 play a role in stirring and dispersing, so that the ozone gas can be more uniformly distributed between the middle air deflector 9 and the lower baffle 13, and concave rods 15 are fixedly arranged at one ends of the rotating blades 14, which are close to the lower baffle 13, the concave type rod 15 is provided with a compression spring 16 in a groove in a connecting manner, the compression spring 16 is connected to a compression rod 17, a ball 18 is fixedly arranged on the compression rod 17, a vent 19 is arranged at a position, corresponding to the ball 18, of the lower baffle plate 13, a guide rail 20 is fixedly arranged on the side wall of the vent 19, a limiting part 21 is fixedly arranged at the bottom of the guide rail 20, a filter screen plate 22 is movably arranged on the guide rail 20, the filter screen plate 22 can move up and down along the guide rail 20, the filter screen plate 22 is used for intercepting pollen, debris, or winged insects and the like generated by crops, so that the pollution or damage of the pollen, the debris, the winged insects and the like between the upper baffle plate 6 and the lower baffle plate 13 is.

An exhaust pipe 24 is communicated and arranged at the bottom of the greenhouse 1, an air pump 26 is arranged on the exhaust pipe 24, a return pipe 27 is communicated and arranged on the exhaust pipe 24, the return pipe 27 extends into the greenhouse 1 and is communicated with the ozone pipe 3, when more high seedling crops exist in the greenhouse 1, the exhaust pipe 24 and the return pipe 27 can be communicated at the moment due to the fact that the specific gravity of ozone is high, the falling speed is high, the action time is short, the ozone at the bottom is exhausted from the ventilation opening 19 again for recycling, the power consumption of the ozone generator 2 is reduced, a first valve 28 is arranged on one side, close to the exhaust pipe 24, of the return pipe 27, a second valve 29 is arranged on one side, close to the ozone pipe 3, of the return pipe 27, an exhaust pipe 30 is communicated and arranged on the exhaust pipe 24, a third valve 31 is arranged on the exhaust pipe 30, the exhaust pipe 30 is communicated with an irrigation water tank 32, when the ozone is, the exhaust pipe 24 and the exhaust pipe 30 can be communicated, and the redundant ozone is led into the irrigation water tank 32, so that the redundant ozone is dissolved in water to form ozone water, and the deinsectization and sterilization are convenient again during irrigation.

The greenhouse 1 is provided with an upper ozone concentration sensor 33 and a lower ozone concentration sensor 34 inside.

Preferably, the total cross-sectional area of the support rods 7 and the support columns 8 is smaller than the cross-sectional area of the communicating pipe 5, so that ozone gas can still be discharged from the communicating pipe 5 without being blocked due to the arrangement of the support rods 7 and the support columns 8.

Preferably, a cleaning net 25 is arranged at the interface of the exhaust pipe 24 and the greenhouse 1, and the cleaning net 25 prevents fine dust, crop leaves, winged insects and the like in soil from entering the exhaust pipe 24.

Preferably, the greenhouse 1 is communicated with an air inlet machine 35, and the air inlet machine 35 can quickly fill natural gas into the greenhouse 1 to promote the discharge and dilution of ozone.

Preferably, the upper ozone concentration sensor 33 is disposed at a position 30cm below the lower baffle 13, and the lower ozone concentration sensor 34 is disposed at a height 10cm above the soil, because the specific gravity of ozone is greater than that of air, and the settling rate is high, so that two sets of ozone concentration sensors with different heights can more accurately know the ozone concentration inside the greenhouse 1.

The working principle is as follows: when ozone gas is needed to be used for pest control, firstly, the inside of the greenhouse 1 can be kept in a sealed state as much as possible to delay the diffusion speed of the ozone to the outside, then, the first valve 28, the second valve 29 and the third valve 31 are closed, the ozone generator 2 is started, the ozone generated by the ozone generator 2 enters the communicating pipe 5 through the ozone pipe 3, under the flow guiding effect of the middle air deflector 9, the ozone gas enters the small diameter between the middle air deflector 9 and the upper baffle 6 from the large diameter of the communicating pipe 5, the wind speed of the ozone is increased, the accelerated ozone is blown to the rotating blades 14, the rotating blades 14 are driven to rotate and stir, and the ozone between the middle air deflector 9 and the lower baffle 13 can be more uniformly distributed; finally, the ozone flows out from the ventilation opening 19 uniformly through the filter screen plate 22 to control the plant diseases and insect pests of the crops in the greenhouse 1.

In the process, the rotary blade 14 can drive the pressure rod 17 and the ball 18 to move through the concave rod 15 while rotating, the ball 18 can vibrate up and down under the action of the compression spring 16, when the ball 18 passes through the vent 19, the ball 18 falls under the action of gravity, the compression spring 16 at the moment is stretched, the filter screen plate 22 in the vent 19 is impacted to vibrate, pollen, crop debris, small winged insects and the like attached to the surface of the filter screen plate 22 are removed, blockage is avoided, when the ball 18 is far away from the vent 19, the ball 18 upwards extrudes the pressure rod 17, the compression spring 16 is also extruded, the filter screen plate 22 at the moment is restored to the initial position under the action of the restoring spring 23, intermittent vibration of the filter screen plate 22 is realized, manual blockage removal is not needed, and the use is convenient.

In addition, the device is also provided with an exhaust pipe 24, a return pipe 27 and an exhaust pipe 30 which form a three-way pipe, when more high seedling crops exist in the greenhouse 1, because the specific gravity of ozone is high, the falling speed is high, the action time is short, at the moment, a valve I28 and a valve II 29 can be opened, a valve III 31 is closed, the exhaust pipe 24 is communicated with the return pipe 27, the ozone at the bottom enters the communicating pipe 5, and finally is discharged from the vent 19 for recycling, the high seedling crops are killed by falling from the high position, and the power consumption of the ozone generator 2 can be reduced; when the ozone is added excessively or the residual ozone needs to be discharged after the ozone is used, the air inlet fan 35 and the air suction pump 26 can be opened, the valve III 31 is opened, the valve I28 and the valve II 29 are closed, the air suction pipe 24 is communicated with the exhaust pipe 30, and the redundant ozone is introduced into the irrigation water tank 32, so that the ozone is dissolved in water to form ozone water, and the ozone water is convenient for disinfestation and sterilization again during irrigation.

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

Claims

1. The utility model provides a be used for gaseous pest control system of warmhouse booth, includes warmhouse booth (1), its characterized in that: the greenhouse is characterized in that an ozone generator (2) is arranged outside the greenhouse (1), an ozone pipe (3) is arranged on the ozone generator (2), the ozone pipe (3) extends into the greenhouse (1), a one-way valve (4) is arranged in the ozone pipe (3), a communicating pipe (5) is communicated with the ozone pipe (3), the communicating pipe (5) penetrates through the upper baffle (6), supporting rods (7) are fixedly arranged on the inner wall of the communicating pipe (5), supporting columns (8) are fixedly arranged between the supporting rods (7), the supporting columns (8) are fixedly connected to a middle air deflector (9), a plurality of upper bearing seats (10) are embedded in one side, away from the upper baffle (6), of the middle air deflector (9), a rotating rod (11) is movably arranged in the upper bearing seats (10), and one end, away from the upper bearing seats (10), of the rotating rod (11) is movably arranged in a lower bearing seat (12), the lower bearing seat (12) is embedded in a lower baffle (13), the upper baffle (6) and the lower baffle (13) are fixedly arranged in the greenhouse (1), the rotary rod (11) is fixedly provided with rotary blades (14), one ends of the rotary blades (14) close to the lower baffle (13) are fixedly provided with concave rods (15), the grooves of the concave rods (15) are connected with compression springs (16), the compression springs (16) are connected to compression rods (17), the compression rods (17) are fixedly provided with spheres (18), the positions of the lower baffle (13) corresponding to the spheres (18) are provided with ventilation openings (19), the side walls of the ventilation openings (19) are fixedly provided with guide rails (20), the bottoms of the guide rails (20) are fixedly provided with limiting parts (21), and the guide rails (20) are movably provided with filter screen plates (22), a return spring (23) is connected between the filter screen plate (22) and the limiting piece (21);

an exhaust pipe (24) is communicated and arranged at the bottom of the greenhouse (1), an air pump (26) is arranged on the exhaust pipe (24), a return pipe (27) is communicated and arranged on the exhaust pipe (24), the return pipe (27) extends into the greenhouse (1) and is communicated with the ozone pipe (3), a first valve (28) is arranged on one side, close to the exhaust pipe (24), of the return pipe (27), a second valve (29) is arranged on one side, close to the ozone pipe (3), of the return pipe (27), an exhaust pipe (30) is communicated and arranged on the exhaust pipe (24), a third valve (31) is arranged on the exhaust pipe (30), and the exhaust pipe (30) is communicated with an irrigation water tank (32);

the greenhouse is characterized in that an upper layer ozone concentration sensor (33) and a lower layer ozone concentration sensor (34) are respectively arranged in the greenhouse (1).

2. A gas pest control system for greenhouses according to claim 1, wherein: the total cross sectional area of the supporting rod (7) and the supporting column (8) is smaller than that of the communicating pipe (5).

3. A gas pest control system for greenhouses according to claim 1, wherein: and a cleaning net (25) is arranged at the joint of the exhaust pipe (24) and the greenhouse (1).

4. A gas pest control system for greenhouses according to claim 1, wherein: an air inlet machine (35) is communicated with the greenhouse (1).

5. A gas pest control system for greenhouses according to claim 1, wherein: the upper layer ozone concentration sensor (33) is arranged at a position 30cm below the lower baffle (13), and the lower layer ozone concentration sensor (34) is arranged at a height 10cm above the soil.