Anti-blocking pressure compensation type water dropper

Abstract

The invention discloses an anti-blocking pressure compensation type water dropper, and aims to solve the problems that sediment can be deposited in a water dropper of an existing drip irrigation emitter along with long-time use, the water dropper is easy to block, and uniform water supply of crops is affected. Water flowing out of the outlet of the water pipe impacts the blades of the rotating mechanism, so that the blades drive the rotating rod to rotate, drive the rotating shifting piece on the lower side to rotate at a high speed in the guide cylinder and impact sediment at the bottom of the guide cylinder, and meanwhile the water flowing out of the outlet of the water pipe flows into the guide cylinder from the guide groove and then flows out along the water outlet pipe. The water dropper is used for preventing the water dropper outlet from being blocked.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural engineering. Background Art

[0002] As the global population grows, the demand for food and agricultural products continues to increase. Traditional irrigation methods, such as flooding, have serious problems with water waste. Drip irrigation technology transports water to the drippers near the roots of plants through a pipe system, and then drips water onto the roots of plants through micro holes. This method can reduce water evaporation and loss, achieve precise water supply, and improve irrigation efficiency. However, although the drippers of existing drippers can supply water evenly and have a certain anti-blocking ability, the current drippers are generally aimed at preventing blockage of larger particles. With long-term use, sediment will settle inside the drippers, which are easy to clog and affect the uniform water supply of crops. Summary of the invention

[0003] The purpose of the present invention is to solve the problem that the dripper of the existing dripper will have sedimentation inside with long-term use, which is easy to be blocked and affects the uniform water supply of crops. An anti-blocking pressure compensation dripper is proposed.

[0004] An anti-blocking pressure-compensating dripper comprises a shell with a lower opening, a rotating mechanism, a rotating paddle, a water outlet pipe and a buffer mechanism;

[0005] The shell extends into the water pipe outlet and is clamped at the water pipe outlet, and a water inlet is provided on the top of the shell;

[0006] The buffer mechanism includes an elastic sheet and a guide tube;

[0007] The upper end surface of the guide tube is stepped, and the elastic sheet covers the lower step surface of the guide tube. After covering, the elastic sheet is flush with the upper step surface; a guide groove is arranged on the outer wall of the guide tube, and a through hole is arranged at the terminal of the guide groove. The bottom of the guide tube is connected with the water outlet pipe, and the water outlet pipe passes through the bottom of the shell and extends to the outside of the shell;

[0008] The shell is sleeved outside the guide tube, and there is a gap between the elastic sheet and the shell, and the gap is used for drainage;

[0009] The bottom end of the rotating mechanism passes through the top surface of the shell and the elastic sheet in sequence, and is fixedly connected to the rotating paddle located below the elastic sheet.

[0010] Preferably, the rotating mechanism comprises a paddle and a rotating rod;

[0011] The top end of the rotating rod is connected to the paddle blade, and the bottom end of the rotating rod passes through the shell and the elastic sheet in sequence and is connected to the rotating paddle located at the bottom of the elastic sheet.

[0012] Preferably, the dripper further comprises a water outlet regulating mechanism, and the water outlet regulating mechanism is used to adjust the opening of the water outlet pipe.

[0013] Preferably, the water outlet regulating mechanism comprises a rotating shaft, a pulley, a motor and a baffle;

[0014] The baffle is circular, a notch is formed on the baffle, the pulley sleeve is arranged on the rotating shaft, and two ends of the rotating shaft are connected to two ends of the notch;

[0015] An annular groove is provided on the inner wall of the water outlet pipe, and the annular groove is provided in the horizontal direction. A pulley and a rotating shaft are arranged in the groove. The housing of the motor is fixed to the outer wall of the water outlet pipe, and the output shaft of the motor passes through the side wall of the water outlet pipe and is connected to the rotating shaft.

[0016] Preferably, the dripper further includes a pH sensor, a driving module and a single chip microcomputer;

[0017] The pH sensor is used to collect the pH value of water in real time and send it to the microcontroller.

[0018] The single chip microcomputer is used to calculate the first opening according to the pH value and the lower limit of the preset range, calculate the second opening according to the pH value and the lower limit of the preset range, and judge whether the pH value is within the preset range. If it is less than the preset range, the driving module controls the motor to drive the water outlet regulating mechanism to adjust to the first opening; if it is greater than the preset range, the driving module controls the motor to drive the water outlet regulating mechanism to adjust to the second opening.

[0019] Preferably, the first opening degree is expressed as: initial opening degree+(lower limit value of the preset range−pH value)*10%.

[0020] Preferably, the second opening is expressed as: initial opening + (ph value - upper limit of preset range) * 10%.

[0021] Preferably, the initial opening is 50% and the preset range is 6.5-7.5.

[0022] The beneficial effects of the present invention are:

[0023] When the irrigation system starts working, water flows through the water inlet of the dripper in the water pipe, and at the same time, the water flows into the paddles of the rotating mechanism, causing the paddles to drive the rotating rod to rotate. The rotation of the rotating rod drives the rotating paddle on the lower side to rotate at high speed in the guide tube, impacting the bottom sediment, breaking up the deposited sediment and integrating it into the water flow. As the water flow continues to flow, the sediment is discharged from the dripper through the outlet with the water flow, thereby effectively preventing the blockage caused by sediment deposition at the bottom of the water outlet cavity.

[0024] The buffer mechanism of the present invention is set to effectively slow down the water flow speed, so that the water outflow state is in the shape of water drops;

[0025] The present invention is also provided with a rotating mechanism to effectively adjust the water output; and the present invention adjusts the water output by collecting the pH value. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A perspective structural diagram of an anti-blocking pressure-compensating dripper;

[0027] Figure 2 This is a structural diagram of an anti-blocking pressure-compensating dripper from another perspective;

[0028] Figure 3 A perspective view of an anti-clogging pressure-compensating dripper;

[0029] Figure 4 It is the structural diagram of the buffer mechanism;

[0030] Figure 5 This is the structural diagram of the guide tube;

[0031] Figure 6 This is the structural diagram of the water outlet regulating mechanism. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0035] Example:

[0036] A blockage-proof pressure-compensating dripper, comprising a housing 4 with a lower opening, a rotating mechanism 1, a rotating paddle 3, a water outlet pipe 2 and a buffer mechanism 5;

[0037] The shell 4 extends into the water pipe outlet and is clamped at the water pipe outlet. A water inlet 6 is provided at the top of the shell 4.

[0038] The buffer mechanism 5 includes an elastic sheet 5-1 and a guide tube 5-2;

[0039] The upper end surface of the guide tube 5-2 is stepped, and the elastic sheet 5-1 covers the lower step surface 5-2-4 of the guide tube 5-2. After covering, the elastic sheet 5-1 is flush with the upper step surface 5-2-3; a guide groove 5-2-1 is provided on the outer wall of the guide tube 5-2, and a through hole 5-2-2 is provided at the terminal of the guide groove 5-2-1. The bottom of the guide tube 5-2 is connected with the water outlet pipe 2, and the water outlet pipe 2 passes through the bottom of the shell 4 and extends to the outside of the shell 4;

[0040] The shell 4 is sleeved outside the guide tube 5-2, and there is a gap between the elastic sheet 5-1 and the shell 4, and the gap is used for drainage;

[0041] The bottom end of the rotating mechanism 1 passes through the top surface of the housing 4 and the elastic sheet 5 - 1 in sequence, and is fixedly connected to the rotating paddle 3 located below the elastic sheet 5 - 1 .

[0042] The following further defines the composition of the rotating mechanism: the rotating mechanism 1 includes a blade 1-1 and a rotating rod 1-2;

[0043] The top end of the rotating rod 1-2 is connected to the paddle 1-1, and the bottom end of the rotating rod 1-2 passes through the housing 4 and the elastic sheet 6-1 in sequence and is connected to the rotating paddle 3 located at the bottom of the elastic sheet 6-1.

[0044] Specifically, the water in the water pipe impacts the blade 1-1 to rotate, thereby driving the rotating paddle 3 to rotate, which is used to break up the sediment deposited at the bottom of the water outlet chamber to prevent large objects from blocking the outlet. The rotating paddle 3 maintains a gap of about 2-5 mm with the bottom of the buffer mechanism 5 so that the deposited sediment can be fully broken up during rotation. The elastic sheet plays a certain supporting and limiting role on the rotating rod.

[0045] The diversion trough effectively slows down the water flow, making irrigation more uniform and promoting good growth of crops.

[0046] The structure included in this embodiment is further defined below: the dripper also includes a water outlet regulating mechanism 7 , and the water outlet regulating mechanism 7 is used to adjust the opening of the water outlet pipe 2 .

[0047] The water outlet regulating mechanism 7 comprises a rotating shaft 7-1, a pulley 7-2, a motor and a baffle 7-3;

[0048] The baffle 7-3 is circular and has a notch. The pulley 7-2 is sleeved on the shaft 7-1, and the two ends of the shaft 7-1 are connected to the two ends of the notch.

[0049] An annular groove is provided on the inner wall of the water outlet pipe 2, and the annular groove is provided in the horizontal direction. A pulley 7-2 and a rotating shaft 7-1 are arranged in the groove. The motor casing is fixed to the outer wall of the water outlet pipe 2, and the output shaft of the motor passes through the side wall of the water outlet pipe 2 and is connected to the rotating shaft 7-1.

[0050] Specifically, the motor drives the rotating shaft 7-1 to pull, and then the pulley slides in the annular groove, so that the baffle 7-3 is pulled in the outlet pipe 2 to achieve the purpose of adjusting the opening of the outlet pipe 2. A track can also be set so that the pulley slides on the track to adjust the opening faster.

[0051] The following further defines the implementation method of adjusting the water outlet adjustment mechanism 7: the dripper also includes a pH value sensor, a driving module and a single chip microcomputer;

[0052] The pH sensor is used to collect the pH value of water in real time and send it to the microcontroller.

[0053] The single chip microcomputer is used to calculate the first opening according to the pH value and the lower limit of the preset range, calculate the second opening according to the pH value and the lower limit of the preset range, and judge whether the pH value is within the preset range. If it is less than the preset range, the driving module controls the motor to drive the water outlet regulating mechanism 7 to adjust to the first opening; if it is greater than the preset range, the driving module controls the motor to drive the water outlet regulating mechanism 7 to adjust to the second opening.

[0054] The first opening is expressed as: initial opening+(lower limit value of the preset range−pH value)*10%.

[0055] The second opening is expressed as: initial opening + (pH value - upper limit of the preset range) * 10%.

[0056] The initial opening can be 50%, which means just blocking half of the water outlet pipe, and the preset range is 6.5-7.5.

[0057] Specifically, the drive module mainly plays the role of power amplification and signal conversion, converting the weak control signal output by the microcontroller into appropriate current and voltage signals that can drive the motor to operate normally. At the same time, it monitors and feedbacks the operating status of the motor to achieve precise control.

[0058] In actual application, the pH sensor is installed at a suitable position in the water pipe to ensure that the pH value of the irrigation water flowing into the dripper can be monitored timely and accurately.

[0059] If the pH value is within the preset range, the microcontroller does not send any control signal, the dripper continues to work normally, and only relies on the anti-blocking effect of the rotating paddle to maintain the smooth flow of the water outlet.

[0060] If the pH value is not within the preset range, the microcontroller calculates the change in the baffle opening that needs to be adjusted according to the preset algorithm. When the pH value is greater than the upper limit of the preset range, it means that the irrigation water is alkaline, which may cause scaling and other problems. The microcontroller calculates that the outlet opening needs to be increased to increase the water flow and reduce the concentration of alkaline substances in the water. The pH value increases by 10% for each unit higher than the pH value. When the pH value is less than the lower limit of the preset range, it means that the irrigation water is acidic and may corrode the pipes and dripper components. The microcontroller calculates that the outlet opening needs to be reduced and the water residence time in the dripper is extended so that the acidic substances in the water can fully react with the buffer substances in the dripper to reduce acid corrosion. The pH value increases by 10% for each unit deviation. When the pH value returns to the normal range, the opening is restored to 50%.

[0061] The single-chip microcomputer sends a control signal to the motor drive module based on the calculation result. The single-chip microcomputer calculates the rotation direction and rotation angle of the motor according to the change in the opening of the baffle 7-3 that needs to be adjusted, and controls the forward and reverse rotation and speed of the motor through the drive module. When the motor rotates, the pulley moves through the connecting rod, so that the baffle moves at the water outlet and changes the opening size of the water outlet.

[0062] This embodiment also provides feedback and optimization: after the baffle moves to a new position, after a period of time (every 1 minute), the single chip microcomputer reads the data of the pH sensor again to observe whether the pH value returns to a normal range or is close to the target value.

[0063] If the pH value is still not ideal, the microcontroller further fine-tunes the flap opening according to the deviation between the new pH value data and the target value. If the pH value is still too high, continue to increase the outlet opening; if the pH value is still too low, further reduce the outlet opening. Repeat the above steps of pH value monitoring, calculation and flap opening adjustment until the pH value stabilizes within an acceptable range or reaches the set upper limit of the number of adjustments.

[0064] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the various dependent claims and features described herein may be combined in a manner different from that described in the original claims. It should also be understood that features described in conjunction with individual embodiments may be used in other described embodiments.

Claims

1. A blockage-proof pressure-compensating dripper, characterized in that: It comprises a housing (4) with a lower opening, a rotating mechanism (1), a rotating paddle (3), a water outlet pipe (2) and a buffer mechanism (5); The shell (4) extends into the water pipe outlet and is clamped at the water pipe outlet. A water inlet (6) is provided at the top of the shell (4); The buffer mechanism (5) comprises an elastic sheet (5-1) and a guide tube (5-2); The upper end surface of the guide tube (5-2) is stepped, and the elastic sheet (5-1) covers the lower step surface (5-2-4) of the guide tube (5-2). After covering, the elastic sheet (5-1) is flush with the upper step surface (5-2-3); a guide groove (5-2-1) is provided on the outer wall of the guide tube (5-2), and a through hole (5-2-2) is provided at the terminal end of the guide groove (5-2-1); the bottom of the guide tube (5-2) is connected to the water outlet pipe (2), and the water outlet pipe (2) passes through the bottom of the shell (4) and extends to the outside of the shell (4); The shell (4) is sleeved outside the guide tube (5-2), and there is a gap between the elastic sheet (5-1) and the shell (4), and the gap is used for drainage; The bottom end of the rotating mechanism (1) passes through the top surface of the housing (4) and the elastic sheet (5-1) in sequence, and is fixedly connected to the rotating paddle (3) located below the elastic sheet (5-1).

2. The anti-blocking pressure-compensating dripper according to claim 1, characterized in that: The rotating mechanism (1) comprises a blade (1-1) and a rotating rod (1-2); The top end of the rotating rod (1-2) is connected to the paddle (1-1), and the bottom end of the rotating rod (1-2) passes through the housing (4) and the elastic sheet (6-1) in sequence to be connected to the rotating paddle (3) located at the bottom of the elastic sheet (6-1).

3. The anti-blocking pressure-compensating dripper according to claim 2, characterized in that: The dripper also includes a water outlet regulating mechanism (7), and the water outlet regulating mechanism (7) is used to adjust the opening of the water outlet pipe (2).

4. The anti-blocking pressure-compensating dripper according to claim 3, characterized in that: The water outlet regulating mechanism (7) comprises a rotating shaft (7-1), a pulley (7-2), a motor and a baffle (7-3); The baffle (7-3) is circular and has a notch. The pulley (7-2) is sleeved on the rotating shaft (7-1), and two ends of the rotating shaft (7-1) are connected to two ends of the notch. An annular groove is provided on the inner wall of the water outlet pipe (2), and the annular groove is provided in the horizontal direction. A pulley (7-2) and a rotating shaft (7-1) are arranged in the groove. The housing of the motor is fixed to the outer wall of the water outlet pipe (2), and the output shaft of the motor passes through the side wall of the water outlet pipe (2) and is connected to the rotating shaft (7-1).

5. The anti-blocking pressure-compensating dripper according to claim 4, characterized in that: The dripper also includes a pH sensor, a drive module and a single chip microcomputer; The pH sensor is used to collect the pH value of water in real time and send it to the microcontroller. The single chip computer is used to calculate a first opening according to a pH value and a lower limit value of a preset range, calculate a second opening according to the pH value and the lower limit value of the preset range, and judge whether the pH value is within the preset range. If the pH value is less than the preset range, the driving module controls the motor to drive the water outlet regulating mechanism (7) to adjust to the first opening; if the pH value is greater than the preset range, the driving module controls the motor to drive the water outlet regulating mechanism (7) to adjust to the second opening.

6. The anti-blocking pressure-compensating dripper according to claim 5, characterized in that: The first opening is expressed as: initial opening+(lower limit of the preset range−pH value)*10%.

7. The anti-blocking pressure-compensating dripper according to claim 5, characterized in that: The second opening is expressed as: initial opening + (pH value - upper limit of the preset range) * 10%.

8. The anti-blocking pressure-compensating dripper according to claim 6 or 7, characterized in that: The initial opening is 50% and the preset range is 6.5-7.5.

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