CN116267516B - Differential pressure compensation water dropper - Google Patents
Differential pressure compensation water dropper Download PDFInfo
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- CN116267516B CN116267516B CN202310073451.7A CN202310073451A CN116267516B CN 116267516 B CN116267516 B CN 116267516B CN 202310073451 A CN202310073451 A CN 202310073451A CN 116267516 B CN116267516 B CN 116267516B
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- dripper
- water inlet
- narrow pipe
- dripper body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 18
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 18
- 230000002238 attenuated effect Effects 0.000 abstract description 5
- 230000002262 irrigation Effects 0.000 description 21
- 238000003973 irrigation Methods 0.000 description 21
- 238000001914 filtration Methods 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a differential pressure compensation dripper, which comprises a dripper body, a narrow pipe channel integrated on the dripper body, a water inlet tank and a water outlet area; the outer surface of the dripper body is an arc surface matched with the inner wall of the water pipe; the water outlet area is positioned on the outer surface; the narrow pipe channel is positioned on the inner surface of the dripper body, the narrow pipe channel penetrates through the dripper body in the length direction, and the narrow pipe channel gradually narrows from two ends of the dripper body in the length direction to the middle; the water inlet groove penetrates through the thickness direction of the dripper body and communicates the narrow pipe channel with the water outlet area; according to the invention, the narrow pipe channel is arranged at the water inlet groove of the water dropper, the narrow pipe effect is utilized, when water flows through the narrow pipe channel, the flow speed is increased at the water inlet groove, then the Bernoulli principle is utilized to realize the pressure reduction at the water inlet groove so as to generate pressure difference, the flow rate is controlled through the pressure difference, the water flow speed is in direct proportion to the pressure difference, the pressure difference is reduced when the water speed in the pipeline is attenuated, and the equal flow rate of each water dropper in the pipeline is realized.
Description
Technical Field
The invention relates to the technical field of water-saving irrigation, in particular to a differential pressure compensation dripper.
Background
Drip irrigation is an advanced irrigation technology in water-saving irrigation, and is an irrigation method for uniformly and slowly dripping water and nutrients required by crops into the soil in root areas of the crops one by one through a drip irrigation pipe network according to the water requirement of the crops. The drip irrigation does not damage the soil structure, water, fertilizer, gas and heat in the soil are always kept in good condition suitable for crop growth, the evaporation loss is small, the ground runoff is not generated, and the deep seepage is hardly generated, so that the drip irrigation device is a water-saving irrigation mode.
The drip irrigation pipe network is generally composed of a main pipe, a branch pipe and a capillary pipe, wherein the main pipe is used as a water delivery system for delivering all water and adjusting the water pressure of the drip irrigation system, the branch pipe is used for delivering the water to the capillary pipe, the branch pipe is required to be properly designed so that the water can uniformly flow into the capillary pipe, and the capillary pipe is a small-caliber plastic pipe with a dripper connected with the branch pipe or a drip irrigation pipe and a drip irrigation belt which are combined with the dripper and the capillary pipe.
The flow rate of water in the pipeline of the drip irrigation pipe network is attenuated, and the lower the flow rate is, the uneven irrigation is caused, but an ideal drip irrigation system is that all the drip heads have equal outlet flow rate when irrigation, so that each crop can absorb equal amount of water when irrigation, and the equal outlet flow rate of all the drip heads is always one technical difficulty which needs to be overcome by the industry.
Disclosure of Invention
In order to solve the technical problems, the invention provides a differential pressure compensation water dropper, which is characterized in that a narrow pipe channel is arranged at a water inlet groove of the water dropper, the flow velocity is increased at the water inlet groove by utilizing the narrow pipe effect when water flows through the narrow pipe channel, then the pressure at the water inlet groove is reduced by utilizing the Bernoulli principle to generate differential pressure, the flow rate is controlled by the differential pressure, the water flow velocity is in direct proportion to the differential pressure, the differential pressure is reduced when the water speed in a pipeline is attenuated, and the equal flow rate of each water dropper in the pipeline is further realized.
In order to achieve the above purpose, the invention adopts the following technical scheme: a differential pressure compensation dripper comprises a dripper body, a narrow pipe channel, a water inlet tank and a water outlet area, wherein the narrow pipe channel, the water inlet tank and the water outlet area are integrated on the dripper body; the outer surface of the dripper body is an arc surface matched with the inner wall of the water pipe, and the water outlet area is positioned on the outer surface; the narrow pipe channel is positioned on the inner surface of the dripper body, the narrow pipe channel penetrates through the dripper body in the length direction, and the narrow pipe channel gradually narrows from two ends of the dripper body in the length direction to the middle; the water inlet groove penetrates through the thickness direction of the dripper body and communicates the narrow pipe channel with the water outlet area.
In the technical scheme, the outer surface of the water dropper body and the inner wall of the water pipe form a closed flow passage, wherein the water dropper body can be flat or round, water in the water pipe flows into the water outlet area through the water inlet groove of the water dropper, and small holes are formed in the water pipe wall corresponding to the position of the water outlet area, so that the drip irrigation of stable flow of the water in the water pipe after the water dropper acts is realized.
In addition, the narrow pipe channel is arranged by utilizing the narrow pipe effect, when water flows through the narrow pipe channel, the water flow speed is fastest at the narrow channel, the water inlet groove is arranged at the narrow channel, then the Bernoulli principle is utilized, when the flow speed at the water inlet groove is faster, the pressure is lower, the pressure at the water inlet groove is reduced to generate internal and external pressure differences, the flow rate is controlled by the pressure differences, the water flow speed is in direct proportion to the pressure differences, the faster the water flow speed is, the larger the pressure differences are, the smaller the water outlet groove flow is, and conversely, the larger the flow rate is, so when the water speed in the pipeline is attenuated, the pressure differences are reduced, and the equal flow rate of each water dropper in the pipeline is realized.
Preferably, the narrow pipe channel is formed by surrounding two opposite side surfaces and a bottom surface, the contour lines of the horizontal sections of the two side surfaces are two symmetrical curves, the two curves are symmetrical relative to the symmetrical axis of the dripper body in the length direction, the distance between the two curves is gradually reduced from the two ends of the dripper body to the middle, and the position with the narrowest distance between the two curves is positioned on the symmetrical axis of the dripper body in the width direction; the bottom surface is the convex surface that the middle height both ends are low, and the bottom surface is symmetrical about the symmetry axis of dripper body width direction, and convex surface peak point is located on the symmetry axis of dripper body width direction.
By adopting the technical scheme, the narrow pipe channel is formed on the inner surface of the dripper body, the narrow pipe channel is a channel which is formed by two opposite side surfaces and one bottom surface in a surrounding mode and gradually narrows from the two ends of the dripper body to the middle, the narrowest part is positioned on the symmetrical axis of the dripper body in the width direction, the narrow pipe channel is symmetrical, and no matter what the direction of the dripper is, the narrow pipe effect can be guaranteed to be formed.
Preferably, the water inlet groove comprises a long groove and a through groove, the long groove penetrates through the bottom surface of the narrow pipe along the center of the length direction of the narrow pipe channel, the through groove penetrates through the thickness direction of the dripper body, and the long groove is communicated with the through groove.
In the technical scheme, the long groove of the water inlet groove is arranged to be communicated with the bottom surface, so that the smoothness of water flow is ensured, meanwhile, the viscosity of water and the tension principle of water are utilized, and the speed of the water flow is regulated by regulating the sizes of the long groove and the through groove, so that the effects that the water flow speed is not high when the water pressure is high and the water flow speed is not low when the water pressure is low are achieved, and the performance of the dripper with constant flow is further ensured.
Preferably, the notch of the long groove is provided with a filter grid, and the grid of the filter grid is one of a long-strip grid, a square grid or a diamond grid.
In this technical scheme, the filter grating set up has realized filtering capability, has also utilized the viscidity of water and the tension principle of water simultaneously, adjusts the speed of rivers through changing the shape and the size of filter grating to reach the effect that the water velocity is not high when the water pressure is big, and the water velocity is also not low when the water pressure is little, and then guaranteed the performance of dripper constant flow.
Preferably, the water dropper further comprises an energy dissipation area, wherein the energy dissipation area is arranged on the outer surface of the water dropper body; the energy dissipation area comprises a water inlet port, a hard labyrinth runner and a water outlet port, wherein the water inlet port, the hard labyrinth runner and the water outlet port are sequentially communicated, the water inlet port is communicated with a water inlet tank, and the water outlet port is communicated with the water outlet area.
By adopting the technical scheme of setting the energy dissipation area, the energy dissipation of the water flow is realized, and the continuity and stability of the water flow are ensured.
Preferably, the hard labyrinth runner is arranged around the water inlet groove, the hard labyrinth runner is surrounded by an external tooth-shaped baffle plate and an internal tooth-shaped baffle plate, the external tooth-shaped baffle plate and the internal tooth-shaped baffle plate are oppositely arranged according to meshing positions, and a distance is reserved between opposite directions of the external tooth-shaped baffle plate and the internal tooth-shaped baffle plate so as to form a continuous broken-line-shaped runner; the profile line shape of the tooth-shaped section of the external tooth-shaped baffle plate and the internal tooth-shaped baffle plate is one of straight teeth or curved teeth.
By adopting the technical scheme, the length of the hard labyrinth runner is prolonged as much as possible, and the energy dissipation effect of the energy dissipation area is improved.
Preferably, the two sides are centered about the center of the throat channel floor, the length of the floor being less than the length of the dripper.
By adopting the technical scheme, the large inlet, the middle and the narrow inlet of the narrow pipe channel are ensured, and the narrowest part of the narrow pipe channel is positioned at the center of the dripper, so that the performance of the formed narrow pipe channel is symmetrical and stable.
Preferably, the distance between the two apexes of the two side surfaces is greater than the width of the long groove, and the bottom of the long groove is flush with the bottom of the bottom surface.
By adopting the technical scheme, the smoothness of water inlet of the water inlet tank is ensured.
Preferably, the width of the elongated groove is 0.4mm to 5mm.
By adopting the technical scheme, the water viscosity and the water tension principle are utilized, the long groove with the size can achieve the effects that the water flow rate is not high when the water pressure is high and is not low when the water pressure is low, and further the performance of constant flow of the dripper is ensured, and the pressure difference compensation effect is improved.
Preferably, the distance between the highest point of the bottom surface and the inner surface of the dripper body is 0-4mm.
In the technical scheme, the highest point of the bottom surface is flush with the inner surface of the dripper body or lower than the inner surface of the dripper body so as to ensure the formation of the narrow pipe channel.
In summary, the invention has the following beneficial technical effects:
1. The narrow pipe channel that sets up in this technical scheme has used the narrow pipe effect, when the rivers flow through the narrow pipe channel, the velocity of water flow is fastest in narrow passageway department, and the intake channel just sets up here, then, application Bernoulli's principle again, when the velocity of flow of intake channel department is fast, pressure just becomes low, realize intake channel department pressure reduction in order to produce inside and outside differential pressure, through differential pressure control play flow, and velocity of water is directly proportional with the differential pressure, the velocity of water is the velocity of flow is the faster, the pressure difference is the bigger, the smaller the intake channel play flow, otherwise, the play flow is the bigger, so when the water velocity in the pipeline decays, differential pressure also reduces thereupon, and then the play flow of each water dropper in the pipeline has been realized equaling.
2. The long groove of the water inlet groove is arranged to penetrate through the bottom surface, so that the smoothness of water flow is ensured, meanwhile, the viscosity of water and the tension principle of water are utilized, the water flow speed is regulated by regulating the sizes of the long groove and the through groove, and the function of realizing the constant flow of the dripper is further assisted.
3. The filter grating realizes the filtering function, simultaneously utilizes the viscosity of water and the tension principle of water, and adjusts the speed of water flow by changing the shape and the size of the filter grating so as to achieve the effects that the water flow speed is not high when the water pressure is high and the water flow speed is not low when the water pressure is low, thereby ensuring the performance of the constant flow of the dripper.
Drawings
FIG. 1 is a perspective view of the outer surface of a differential pressure compensating dripper of example 1;
FIG. 2 is a perspective view of the inner surface of the differential pressure compensating dripper of example 1;
fig. 3 is a left side view of the differential pressure compensating dripper of example 2.
Reference numerals illustrate: 1-a dripper body;
2-slot passage; 21-side; 22-bottom surface;
3-a water inlet tank; 31-an elongated slot; 32-through grooves; 33-a filter grid;
4-a water outlet area;
5-energy dissipation area; 51-a water inlet port; 52-a hard labyrinth flow passage; 521-external toothed baffles, 522-internal toothed baffles; 53-outlet port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
The embodiment discloses a differential pressure compensation dripper, referring to fig. 1 and 2, comprising a dripper body 1, a narrow pipe channel 2, a water inlet tank 3 and a water outlet area 4 which are integrated on the dripper body 1; the outer surface of the dripper body 1 is an arc surface matched with the inner wall of the water pipe; the water outlet area 4 is positioned on the outer surface; the narrow pipe channel 2 is positioned on the inner surface of the dripper body 1, the narrow pipe channel 2 penetrates through the dripper body 1 in the length direction, and the narrow pipe channel 2 gradually narrows from two ends of the dripper body 1 in the length direction to the middle; the water inlet groove 3 penetrates the dripper body 1 in the thickness direction and communicates the narrow pipe passage 2 with the water outlet area 4.
In order to achieve a better differential pressure compensation effect, the throat channel 2 in the embodiment is surrounded by two opposite side surfaces 21 and a bottom surface 22, and referring to fig. 2, the contour lines of the horizontal cross sections of the two side surfaces 21 are two symmetrical curves, so that no matter how the dripper is oriented, the two curves are symmetrical relative to the symmetry axis of the dripper body 1 in the length direction, and the distance between the two curves is gradually reduced from two ends of the dripper body 1 to the middle; in order to better form the narrow pipe channel and increase the pressure difference effect, the bottom surface 22 is a convex surface with a middle high end and two ends low, the bottom surface 22 is symmetrical about the symmetrical axis of the dripper body 1 in the width direction, and the two side surfaces 21 are symmetrical about the center of the bottom surface 22 of the narrow pipe channel 2.
Referring to fig. 1 and 2, the water inlet tank 3 in the present embodiment includes a long groove 31 and a through groove 32, the long groove 31 penetrating the bottom surface 22 thereof along the center of the length direction of the slot passage 2, the through groove 32 penetrating the thickness direction of the dripper body 1, and the long groove 31 and the through groove 32 communicating.
In order to realize the filtering function of the dripper, the notch of the elongated slot 31 of the present embodiment is provided with the filtering grating 33, referring to fig. 1, the grating of the filtering grating 33 may be a rectangular grating, but the shape of the filtering grating 33 may also be one of a square grating or a diamond grating, meanwhile, the filtering grating 33 also uses the viscosity of water and the tension principle of water, and the speed of the water flow is adjusted by changing the shape and the size of the filtering grating 33, so as to achieve the effects of low water flow speed when the water pressure is high and low water flow speed when the water pressure is low, further ensure the performance of constant flow of the dripper, and the shape of the filtering grating 33 is selected according to practical situations.
In order to realize energy dissipation of water flow and ensure the continuity and stability of the water flow, the embodiment also comprises an energy dissipation area 5 arranged on the outer surface of the dripper body 1; referring to fig. 1, the energy dissipation area 5 includes a water inlet port 51, a hard labyrinth flow passage 52 and a water outlet port 53, the water inlet port 51, the hard labyrinth flow passage 52 and the water outlet port 53 are sequentially communicated, the water inlet port 51 is communicated with the water inlet tank 3, and the water outlet port 53 is communicated with the water outlet area 4.
In order to extend the length of the hard labyrinth flow passage as much as possible and improve the energy dissipation effect of the energy dissipation area, the hard labyrinth flow passage 52 is arranged around the water inlet groove 3, referring to fig. 1, the hard labyrinth flow passage 52 is surrounded by an external tooth-shaped baffle 521 and an internal tooth-shaped baffle 522, the external tooth-shaped baffle 521 and the internal tooth-shaped baffle 522 are oppositely arranged according to the meshing position, and a distance is left between the opposite directions of the external tooth-shaped baffle 521 and the internal tooth-shaped baffle 522 so as to form a continuous broken line-shaped flow passage; the profile line shape of the tooth-shaped cross section of the external tooth-shaped baffle 521 and the internal tooth-shaped baffle 522 in this embodiment is straight teeth, but the profile shape may be curved teeth.
In order to ensure the water inflow smoothness of the water inlet tank and improve the pressure difference compensation effect, the distance between two vertexes of the two side surfaces 21 is 3mm, the bottom of the long groove 31 is level with the bottom of the bottom surface 22, the height of the highest point of the bottom surface 22 is 2.5mm, and the width of the long groove 31 is 1mm by utilizing the viscosity of water and the tension principle of water; the highest point of the bottom surface 22 is flush with the inner surface of the dripper body 1.
The working principle of the embodiment is as follows: the outer surface of the water dropper body 1 and the inner wall of the water pipe form a closed flow passage, water in the water pipe flows into the energy dissipation area 5 through the water inlet groove 3 of the water dropper, then enters the water outlet area 4 after energy dissipation, and small holes are formed in the water pipe wall corresponding to the position of the water outlet area 4 so as to realize constant flow drip irrigation after the water in the water pipe is acted by the water dropper; constant flow drip irrigation utilizes the pressure difference formed by the throat effect to carry out pressure compensation, and specifically comprises the following steps: when water flows through the narrow pipe channel 2, the water flow speed is fastest in the narrow channel, the water inlet groove 3 is arranged at the narrow channel, then the Bernoulli principle is applied, when the flow speed at the water inlet groove 3 is fast, the pressure is low, the pressure at the water inlet groove 3 is reduced to generate internal and external pressure differences, the outlet flow is controlled through the pressure differences, the water flow speed is in direct proportion to the pressure differences, the faster the water flow speed is, the larger the pressure differences are, the smaller the outlet flow of the water inlet groove is, and otherwise, the larger the outlet flow is, so that when the water speed in a pipeline is attenuated, the pressure differences are reduced, and the outlet flow of each water dropper in the pipeline is equal.
Example 2
The difference between this embodiment and embodiment 1 is that, referring to fig. 3, the dripper body is in a circular tube shape, and the circular tube-shaped dripper of this embodiment is also a commonly used structure of drippers, and is mostly used for buried type, and its working principle is the same as that of embodiment 1.
The present invention is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (3)
1. Differential pressure compensation dripper, including dripper body (1), its characterized in that: the water inlet device also comprises a narrow pipe channel (2), a water inlet tank (3) and a water outlet area (4) which are integrated on the dripper body (1);
The outer surface of the dripper body (1) is an arc surface matched with the inner wall of the water pipe;
The water outlet area (4) is positioned on the outer surface;
The narrow pipe channel (2) is positioned on the inner surface of the dripper body (1), the narrow pipe channel (2) penetrates through the dripper body (1) in the length direction, and the narrow pipe channel (2) gradually narrows from two ends of the dripper body (1) in the length direction to the middle;
The water inlet groove (3) penetrates through the thickness direction of the dripper body (1) and communicates the narrow pipe channel (2) with the water outlet area (4);
The narrow pipe channel (2) is formed by surrounding two opposite side surfaces (21) and a bottom surface (22), the contour lines of the horizontal sections of the two side surfaces (21) are two symmetrical curves, the two curves are symmetrical relative to the symmetrical axis of the dripper body (1) in the length direction, and the distance between the two curves is gradually reduced from the two ends of the dripper body (1) to the middle; the bottom surface (22) is a convex surface with a middle part high and two ends low, and the bottom surface (22) is symmetrical with respect to a symmetry axis of the dripper body (1) in the width direction;
The water inlet groove (3) comprises a long groove (31) and a through groove (32), the long groove (31) penetrates through the bottom surface (22) of the long groove (31) along the center of the length direction of the narrow pipe channel (2), the through groove (32) penetrates through the dripper body (1) in the thickness direction, and the long groove (31) is communicated with the through groove (32);
a filter grid (33) is arranged on the notch of the long groove (31), and the grid of the filter grid (33) is one of a strip grid, a square grid or a diamond grid;
The energy dissipation device further comprises an energy dissipation area (5), wherein the energy dissipation area (5) is arranged on the outer surface of the dripper body (1); the energy dissipation area (5) comprises a water inlet port (51), a hard labyrinth runner (52) and a water outlet port (53), wherein the water inlet port (51), the hard labyrinth runner (52) and the water outlet port (53) are sequentially communicated, the water inlet port (51) is communicated with the water inlet tank (3), and the water outlet port (53) is communicated with the water outlet area (4);
the hard labyrinth runner (52) is arranged around the water inlet groove (3), the hard labyrinth runner (52) is surrounded by an external tooth-shaped baffle (521) and an internal tooth-shaped baffle (522), the external tooth-shaped baffle (521) and the internal tooth-shaped baffle (522) are oppositely arranged according to meshing positions, and a distance is reserved between opposite directions of the external tooth-shaped baffle (521) and the internal tooth-shaped baffle (522) so as to form a continuous broken line-shaped runner;
The profile line shape of the tooth-shaped section of the external tooth-shaped baffle plate (521) and the internal tooth-shaped baffle plate (522) is one of straight teeth or curved teeth;
the two side surfaces (21) are symmetrical in the center with respect to the center of the bottom surface (22) of the narrow pipe channel (2);
the distance between the two vertexes of the two side surfaces (21) is larger than the width of the long groove (31), and the bottom of the long groove (31) is flush with the bottom of the bottom surface (22).
2. A differential pressure compensating dripper according to claim 1, characterized in that: the width of the long groove (31) is 0.4 mm-5 mm.
3. A differential pressure compensating dripper according to claim 2, characterized in that: the distance between the highest point of the bottom surface (22) and the inner surface of the dripper body (1) is 0-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310073451.7A CN116267516B (en) | 2023-02-07 | 2023-02-07 | Differential pressure compensation water dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310073451.7A CN116267516B (en) | 2023-02-07 | 2023-02-07 | Differential pressure compensation water dropper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116267516A CN116267516A (en) | 2023-06-23 |
| CN116267516B true CN116267516B (en) | 2024-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310073451.7A Active CN116267516B (en) | 2023-02-07 | 2023-02-07 | Differential pressure compensation water dropper |
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| CN (1) | CN116267516B (en) |
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| CN106171848B (en) * | 2016-06-22 | 2022-05-24 | 青岛新大成塑料机械有限公司 | Embedded piece type pressure compensation water dropper, drip irrigation tape and drip irrigation method |
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| CN114586651A (en) * | 2022-03-24 | 2022-06-07 | 山东农业大学 | Ball-shaped button type pressure compensation water dropper with suck-back prevention function |
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| CN114885803B (en) * | 2022-06-08 | 2023-08-08 | 莱芜春雨节水器材有限公司 | Double-color forming anti-blocking cylindrical dripper |
| CN217428866U (en) * | 2022-06-09 | 2022-09-16 | 山东春雨节水灌溉设备有限公司 | Low-pressure long-distance laying pressure compensation water dropper |
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2023
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0602104A (en) * | 2006-05-25 | 2006-11-28 | Marcos Jensen | doll motion simulator |
| CN105393894A (en) * | 2015-11-20 | 2016-03-16 | 莱芜市春雨滴灌技术有限公司 | Pressure compensation type flat water dropper |
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| CN116267516A (en) | 2023-06-23 |
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