CN209810456U - Pressure compensation type water dropper - Google Patents

Pressure compensation type water dropper Download PDF

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Publication number
CN209810456U
CN209810456U CN201920242401.6U CN201920242401U CN209810456U CN 209810456 U CN209810456 U CN 209810456U CN 201920242401 U CN201920242401 U CN 201920242401U CN 209810456 U CN209810456 U CN 209810456U
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China
Prior art keywords
energy dissipation
flow channel
tooth
frame
runner
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Application number
CN201920242401.6U
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Chinese (zh)
Inventor
安胜鑫
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Hebei Profit Agriculture Water Saving Science And Technology Co Ltd
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Hebei Profit Agriculture Water Saving Science And Technology Co Ltd
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Priority to CN201920242401.6U priority Critical patent/CN209810456U/en
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Abstract

The pressure compensation type dripper comprises an outer frame, a water inlet filter window and an energy dissipation flow channel, wherein the energy dissipation flow channel is arranged in the outer frame, the water inlet filter window is arranged between the energy dissipation flow channel and the outer frame, one end of the energy dissipation flow channel is connected with the water inlet filter window, the other end of the energy dissipation flow channel is connected with a punching frame, energy dissipation teeth are arranged in the energy dissipation flow channel, and the bottom surface of the energy dissipation flow channel and the energy dissipation teeth are made of flexible materials of an integrated structure. The utility model discloses an energy dissipation tooth upper surface is the arc, and it produces deformation by the pressure effect to reach pressure compensation's purpose, the utility model discloses pressure compensation water dropper's flow state index is low, is applicable to the industrial production.

Description

Pressure compensation type water dropper
Technical Field
The utility model relates to a pressure compensation type water dropper, which belongs to the technical field of irrigation.
Background
Drip irrigation is a precise irrigation method, and water is uniformly and slowly dripped into soil near a crop root zone drop by drop through a water dropper or an orifice or other irrigators arranged on a drip irrigation pipe, so that the leakage and loss of water are reduced to the minimum, the water required by the crop root zone is timely supplied, and the soil of the crop root system is kept at proper humidity, so that the water, fertilizer, gas, heat and microorganism activities of the soil are facilitated, and the soil is always in a good condition, and favorable conditions are created for high and stable yield of crops.
The pressure compensation dripper is little influenced by the change of working pressure, has good irrigation uniformity, and has relatively good self-flushing function and anti-blocking performance. The structure of the pressure compensation water dropper generally comprises a flow passage, a pressure compensation chamber, a pressure compensation water outlet groove and an elastic diaphragm. The path of water flow passing through the pressure compensation dripper is that the water flow enters the dripper from a capillary through a dripper water inlet and then enters the flow channel through a flow channel water inlet, and the pressure of the water flow is gradually reduced and the flow speed is gradually reduced during the water flow passes through the flow channel containing the energy dissipation teeth, and then the water flow flows out of a flow channel outlet and enters a pressure compensation chamber; and finally, the drippers flow out of the pressure compensation water outlet groove, and the current energy dissipation flow channel cannot completely eliminate the flow velocity.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pressure compensation type water dropper aiming at the defects of the prior art, the flow index of the pressure compensation water dropper approaches to zero.
The utility model belongs to the technical problem is solved through following technical scheme:
the pressure compensation type dripper comprises an outer frame, a water inlet filter window and an energy dissipation flow channel, wherein the energy dissipation flow channel is arranged in the outer frame, the water inlet filter window is arranged between the energy dissipation flow channel and the outer frame, one end of the energy dissipation flow channel is connected with the water inlet filter window, the other end of the energy dissipation flow channel is connected with a punching frame, energy dissipation teeth are arranged in the energy dissipation flow channel, the bottom surface of the flow channel of the energy dissipation flow channel and the energy dissipation teeth are of an integrated structure, and the bottom surface of the flow channel and the energy.
According to the pressure compensation type dripper, the upper surface of each energy dissipation tooth is arc-shaped, the tooth back of each energy dissipation tooth is perpendicular to the bottom surface of the flow channel, one end of the upper surface of each tooth is connected with the upper edge of the tooth back, and the other end of the upper surface of each tooth is connected with the center of the bottom surface of the flow channel.
The pressure compensated dripper, the tooth upper surface of the energy dissipating tooth being the arc surface of the elliptical long axis end of x/a + y/b =1, wherein a >0, b >0 and a taking value of 5 ~ 8, b taking value of 12 ~ 20.
The utility model has the advantages of it is following:
the utility model discloses the tooth upper surface of energy dissipation tooth is the arc, and it receives the water pressure effect, can produce deformation, and the back of runner bottom surface receives the pressure of water to produce ascending deformation, and the tooth upper surface is pressed and upwards extends, causes the space between energy dissipation runner and the pipe wall to reduce, and discharge through the energy dissipation runner reduces, the utility model discloses a cross-section space changes, controls the water yield through the runner to reach pressure compensation's effect. The arc-shaped upper surface is simple in manufacturing process and can enable the flow index of the final pressure compensation dripper to approach zero.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of part A-A of FIG. 1 according to the present invention;
fig. 3 is a schematic view of the structure of fig. 2 after being pressed according to the present invention.
In the drawings, the respective reference numerals denote: 1. the water inlet filter comprises an outer frame, 2, a water inlet filter window, 3, a perforating frame, 4, an energy dissipation flow channel, 5, energy dissipation teeth, 6, tooth upper surfaces, 7, a flow channel bottom surface, 8 and tooth backs.
Detailed Description
Referring to the attached drawing 1, the utility model discloses a frame 1, the filter window 2 and the energy dissipation runner 4 of intaking, be energy dissipation runner 4 in the frame 1, be equipped with into water between energy dissipation runner 4 and the frame 1 and filter window 2, 4 one ends of energy dissipation runner are connected into water and are filtered window 2, and frame 3 of perforating is connected to the other end, are equipped with energy dissipation tooth 5 in the energy dissipation runner 4, and energy dissipation runner 4's runner bottom surface 7 is made with the flexible material of energy dissipation tooth 5 structure as an organic whole, generally chooses for use plastic elastomer material (TPE).
Referring to fig. 1 and 2, the tooth upper surface 6 of the energy dissipation tooth 5 is arc-shaped, the tooth back 8 is at right angle to the flow passage bottom surface 7, the height of the tooth back 8 is smaller than the height of the outer frame 1, one end of the tooth upper surface 6 is connected with the upper edge of the tooth back 8, and the other end is connected with the center of the flow passage bottom surface 7, the tooth upper surface 6 of the energy dissipation tooth 5 is an arc surface of an elliptical long axis end of x/a + y/b =1, wherein a >0, b >0 and a take a value of 5 ~ 8, and b take a value of 12 ~ 20.
Referring to fig. 3, the cross section of the energy dissipation flow channel 4 of the present invention is a deformable space, when the pressure of the water flow is increased, the back of the flow channel bottom surface 7 is deformed under the action of the water pressure, and the flow channel bottom surface 7 is deformed to arch the flow channel direction, so that the cross-sectional area of the energy dissipation flow channel 4 is reduced, and the water flow in the energy dissipation flow channel 4 is reduced. The water quantity passing through the energy dissipation flow passage 4 is controlled through the space change of the section of the energy dissipation flow passage 4 so as to achieve the effect of pressure compensation.
The effect of tooth in the runner is the kinetic energy of elimination water, the utility model discloses not only the kinetic energy of accessible energy dissipation tooth elimination water can also be through the aperture that changes the rivers runner, adjusts the size of discharge, and the back of runner bottom surface 7 receives the water pressure effect can produce deformation, and curved tooth upper surface 6 extends simultaneously and stretches long, and the distance of curved tooth upper surface 6 displacements is linear relation with the pressure that runner bottom surface 7 receives to guarantee that the flow state index of final pressure compensation dripper is less than 0.05, and approach to 0.

Claims (3)

1. The utility model provides a pressure compensation formula dripper, includes frame (1), intakes and strains window (2) and energy dissipation runner (4), its characterized in that, be energy dissipation runner (4) in frame (1), be equipped with between energy dissipation runner (4) and frame (1) and intake and strain window (2), energy dissipation runner (4) one end is connected and is intake and strain window (2), and frame (3) of perforating is connected to the other end, is equipped with energy dissipation tooth (5) in energy dissipation runner (4), and runner bottom surface (7) and energy dissipation tooth (5) of energy dissipation runner (4) are structure as an organic whole to runner bottom surface (7) and energy dissipation tooth (5) adopt flexible material.
2. A pressure compensated dripper according to claim 1, wherein the energy dissipating teeth (5) have an arcuate tooth top surface (6), the energy dissipating teeth (5) have a back (8) perpendicular to the flow channel floor (7), and the tooth top surface (6) has one end connected to the top edge of the back (8) and the other end connected to the center of the flow channel floor (7).
3. A pressure compensated dripper according to claim 2, wherein the tooth upper surface (6) of the energy dissipating tooth (5) is an arc of the end of the major axis of an ellipse of x/a + y/b =1, with a >0, b >0 and a-value being 5 ~ 8, b-value being 12 ~ 20.
CN201920242401.6U 2019-02-26 2019-02-26 Pressure compensation type water dropper Active CN209810456U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920242401.6U CN209810456U (en) 2019-02-26 2019-02-26 Pressure compensation type water dropper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920242401.6U CN209810456U (en) 2019-02-26 2019-02-26 Pressure compensation type water dropper

Publications (1)

Publication Number Publication Date
CN209810456U true CN209810456U (en) 2019-12-20

Family

ID=68873837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920242401.6U Active CN209810456U (en) 2019-02-26 2019-02-26 Pressure compensation type water dropper

Country Status (1)

Country Link
CN (1) CN209810456U (en)

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