CN219844391U - Tesla valve type drip irrigation device - Google Patents
Tesla valve type drip irrigation device Download PDFInfo
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- CN219844391U CN219844391U CN202321200571.0U CN202321200571U CN219844391U CN 219844391 U CN219844391 U CN 219844391U CN 202321200571 U CN202321200571 U CN 202321200571U CN 219844391 U CN219844391 U CN 219844391U
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- tesla valve
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- drip irrigation
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- 230000002262 irrigation Effects 0.000 title claims abstract description 75
- 238000003973 irrigation Methods 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000005452 bending Methods 0.000 claims description 9
- 210000003462 vein Anatomy 0.000 description 16
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
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- 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
Abstract
The utility model relates to a Tesla valve type drip irrigation device, and belongs to the technical field of agricultural irrigation. The Tesla valve type drip irrigation device comprises a pipeline, a Tesla valve type drip irrigation emitter arranged on the inner wall surface of the pipeline and a drip head arranged at the bottom of the pipeline and communicated with the tail end of the Tesla valve type drip irrigation emitter, wherein the Tesla valve type drip irrigation emitter comprises a water inlet, a Tesla valve type flow channel unit and a water outlet which are sequentially connected; the upper end of the water inlet is connected with the inlet of the first Tesla valve type flow passage unit, and the outlet of the terminal Tesla valve type flow passage unit is connected with the upper end of the water outlet. The Tesla valve type drip irrigation emitter is composed of Tesla valve type flow channel units connected in series, the Tesla valve type drip irrigation emitter is provided with an arc-shaped corner and a drop-shaped water separator, the diversion, sharp turning, confluence and the like of water flow are realized, the flow state index of the drip irrigation emitter is obviously and effectively reduced, and the hydraulic performance is obviously improved.
Description
Technical Field
The utility model relates to a Tesla valve type drip irrigation device, and belongs to the technical field of agricultural irrigation.
Background
Drip irrigation is an efficient, economical and environment-friendly irrigation mode, and water drops drop to plant roots, so that the purposes of saving water, reducing emission and improving crop yield are achieved, and therefore development of drip irrigation irrigators has become a necessary trend. In the development process of drip irrigation emitters, the hydraulic performance is always a key factor for judging the advantages and disadvantages of the emitters, and is mainly determined by the structure of the flow channel. At present, most researches adopt a labyrinth type drip irrigation emitter, and the labyrinth type drip irrigation emitter has single structure and common performance and cannot further improve the hydraulic performance of the drip irrigation emitter. According to the utility model, through research and understanding of the Tesla valve, the Tesla valve type drip irrigation emitter with novel structure and excellent hydraulic performance is designed, so that the flow state index can be effectively reduced, the hydraulic performance is improved, and the drip irrigation becomes more efficient and sustainable.
The patent application number is 202220457466.4, and the leaf vein type drip irrigation emitter comprises a leaf vein type drip irrigation emitter and a pipeline device; the leaf vein type drip irrigation emitter comprises a water inlet, a leaf vein flow passage and a water outlet, wherein the water inlet is connected with the water outlet through the leaf vein flow passage, the leaf vein flow passage comprises a plurality of periodic leaf vein flow passage unit structures, and each leaf vein flow passage unit structure comprises an asymmetric tooth-shaped structure and an oblique Z-shaped baffle; the tubing set includes tubing and a drip. The device is simple to operate, saves time and labor, and has the characteristics of integrated selectivity, cost saving, high efficiency and the like.
The patent application number is 202223300995.2, and this symmetry leaf vein formula drip irrigation device, including pipeline and setting are in a plurality of drip irrigation douches on the pipeline inner wall, drip irrigation douches are including the water inlet, the energy dissipation passageway and the water export of intercommunication in proper order, and the energy dissipation runner is established ties in proper order by a plurality of symmetry leaf vein formula runner units and is formed, every symmetry leaf vein formula runner unit includes horizontal sprue and the wing unit with horizontal sprue intercommunication, wing unit is along horizontal sprue symmetric distribution, wing unit inside is equipped with the fin unit of following horizontal central line symmetry of horizontal sprue, wing unit and fin unit are the bifurcation shape, bifurcation opening orientation water export. The energy dissipation flow channel is arranged into a symmetrical vein structure, and the flow splitting, sharp turning, converging and the like of the water flow are realized through the wing-shaped units and the fin units, so that the flow state index of the drip irrigation device is effectively reduced, and the hydraulic performance of the drip irrigation device is improved.
Compared with the conventional drip irrigation device, the drip irrigation device has obvious optimization effect. But how to arrange a drip irrigation device with better optimizing effect is a technical problem.
Disclosure of Invention
In order to solve the problems and the defects of the prior art, the utility model provides a Tesla valve type drip irrigation device. The Tesla valve type drip irrigation emitter is composed of Tesla valve type flow channel units connected in series, the Tesla valve type drip irrigation emitter is provided with an arc-shaped corner and a drop-shaped water separator, the diversion, sharp turning, confluence and the like of water flow are realized, the flow state index of the drip irrigation emitter is obviously and effectively reduced, and the hydraulic performance is obviously improved. The utility model is realized by the following technical scheme.
A Tesla valve type drip irrigation device comprises a pipeline 6, a Tesla valve type drip irrigation device 3 arranged on the inner wall surface of the pipeline 6 and a dripper 7 arranged at the bottom of the pipeline 6 and communicated with the tail end of the Tesla valve type drip irrigation device 3, wherein the Tesla valve type drip irrigation device 3 comprises a water inlet 1, a Tesla valve type flow channel unit 2 and a water outlet 5 which are connected in series; the upper end of the water inlet 1 is connected with the inlet of the first Tesla valve type flow passage unit 2, and the outlet of the terminal Tesla valve type flow passage unit 2 is connected with the upper end of the water outlet 5;
each tesla valve type flow channel unit 2 comprises two asymmetric arc-shaped flow channels and a water drop-shaped water separator 4 arranged in each arc-shaped flow channel, each arc-shaped flow channel consists of an inclined straight line and an arc-shaped corner, and the water drop-shaped water separators 4 are uniformly distributed along the flow channels.
The total width h of each Tesla valve type flow passage unit 2 is 2.6mm, and the length k of each Tesla valve type flow passage unit 2 is 5.0mm.
The first tesla valve type flow passage unit 2 consists of an upward arc-shaped flow passage and a downward arc-shaped flow passage; the downward arc-shaped runner of the Tesla valve-type runner unit 2 at the tail end is connected with a water outlet 5; the drip heads of the drip-shaped water separators 4 in each tesla valve-type flow passage unit 2 face the water inlet 1.
The width a of the flow channel inlet in each Tesla valve type flow channel unit 2 is 0.6mm; the length b of the upper end of the water inlet 1, which is away from the first bending part, is 1.1mm; the length c of the lower end of the water inlet 1, which is away from the first arc-shaped corner, is 5.30mm; the outer inclined straight line length f of the rest flow channels is 4.2mm; the length e of the upper end of the water inlet 1, which is away from the first arc-shaped corner, is 2.1mm; the length g of the upper end of the water outlet 5, which is away from the first bending part, is 2.4mm; the length k of the lower end of the water outlet 5, which is away from the first bending part, is 1mm; the arc-shaped corner R is 0.8mm in radius and 113 degrees in angle.
The length w of the water drop-shaped water separator 4 of each Tesla valve type flow channel unit 2 is 1.0mm, and the opening angle z of the water drop-shaped water separator 4 is 35 degrees; the arc r of the water drop type water separator 4 is an arc with the radius of 0.3mm and the angle of 213 degrees.
The first tesla valve type flow passage unit 2 consists of a downward arc-shaped flow passage and an upward arc-shaped flow passage; the upward arc-shaped runner of the Tesla valve-type runner unit 2 at the tail end is connected with a water outlet 5; the drip heads of the drip-shaped water separators 4 in each tesla valve type flow passage unit 2 face the water outlet 5.
The Tesla valve type drip irrigation device has the working principle that:
when the device starts to work, pressurized water flows into the pipeline, the pressurized water flows can enter through the water inlet 1 of the drip irrigation water 3, and after the pressurized water flows into the flow passage, the pressurized water flows through the arc-shaped corner and the drop-shaped water separator 4 and then flows through the arc-shaped corner to form split flow, sharp turn and confluence to perform energy dissipation and depressurization, and then the pressurized water flows through the same Tesla valve type flow passage unit 2 to circulate in sequence, and when the water flows out of the energy dissipation flow passage, enters the water outlet 5, forms uniform water drop outflow pipelines 6 through the dropping head 7 connected with the water outlet 5, so that the purpose of uniform water irrigation is achieved.
The beneficial effects of the utility model are as follows:
the Tesla valve type drip irrigation emitter is composed of Tesla valve type flow channel units connected in series, and the Tesla valve type drip irrigation emitter is provided with an arc-shaped corner and a drop-shaped water separator, so that the diversion, sharp turning, confluence and the like of water flow are realized, the flow state index of the drip irrigation emitter is obviously and effectively reduced, and the hydraulic performance is obviously improved.
Drawings
FIG. 1 is a schematic three-dimensional perspective view of a Tesla valve type drip irrigation emitter I according to the present utility model;
FIG. 2 is a schematic plan view A of a Tesla valve-type drip irrigation emitter I of the present utility model;
FIG. 3 is a schematic plan view B of a Tesla valve-type drip irrigation emitter I of the present utility model;
FIG. 4 is a schematic view A of a Tesla valve type drip emitter I device of the present utility model;
FIG. 5 is a schematic view B of a Tesla valve type drip emitter I device of the present utility model;
FIG. 6 is a schematic illustration of the structural dimensions of a tesla valve type drip emitter I of the present utility model;
FIG. 7 is a schematic diagram of a Tesla valve type drip irrigation emitter I unit of the present utility model;
FIG. 8 is a graph of flow pressure versus a Tesla valve type drip emitter I of the present utility model;
fig. 9 is a schematic plan view a of a tesla valve type drip emitter II of the present utility model;
fig. 10 is a schematic plan view B of a tesla valve type drip emitter II of the present utility model;
fig. 11 is a graph of flow pressure versus flow rate for a tesla valve type drip emitter II of the present utility model.
In the figure: 1-water inlet, 2-Tesla valve type flow channel unit, 3-Tesla valve type drip irrigation emitter, 4-drop water separator, 5-water outlet, 6-pipeline and 7-water dropper.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description.
Example 1
As shown in fig. 1 to 7, the tesla valve type drip irrigation device comprises a pipeline 6, a tesla valve type drip irrigation emitter 3 arranged on the inner wall surface of the pipeline 6, and a water dropper 7 arranged at the bottom of the pipeline 6 and communicated with the tail end of the tesla valve type drip irrigation emitter 3, wherein the tesla valve type drip irrigation emitter 3 comprises a water inlet 1, a tesla valve type flow channel unit 2 and a water outlet 5 which are connected in sequence; the upper end of the water inlet 1 is connected with the inlet of the first Tesla valve type flow passage unit 2, and the outlet of the terminal Tesla valve type flow passage unit 2 is connected with the upper end of the water outlet 5;
each tesla valve type flow channel unit 2 comprises two asymmetric arc-shaped flow channels and a water drop-shaped water separator 4 arranged in each arc-shaped flow channel, each arc-shaped flow channel consists of an inclined straight line and an arc-shaped corner, and the water drop-shaped water separators 4 are uniformly distributed along the flow channels.
Wherein the total width h of each tesla valve-type flow channel unit 2 is 2.6mm, and the length k of each tesla valve-type flow channel unit 2 is 5.0mm;
the first tesla valve type flow passage unit 2 consists of an upward arc-shaped flow passage and a downward arc-shaped flow passage; the downward arc-shaped runner of the Tesla valve-type runner unit 2 at the tail end is connected with a water outlet 5; the water drop head of the water drop-shaped water separator 4 in each Tesla valve type flow channel unit 2 faces the water inlet 1;
the width a of the flow channel inlet in each Tesla valve type flow channel unit 2 is 0.6mm; the length b of the upper end of the water inlet 1, which is away from the first bending part, is 1.1mm; the length c of the lower end of the water inlet 1, which is away from the first arc-shaped corner, is 5.30mm; the outer inclined straight line length f of the rest flow channels is 4.2mm; the length e of the upper end of the water inlet 1, which is away from the first arc-shaped corner, is 2.1mm; the length g of the upper end of the water outlet 5, which is away from the first bending part, is 2.4mm; the length k of the lower end of the water outlet 5, which is away from the first bending part, is 1mm; the arc-shaped corner R is 0.8mm in radius and 113 degrees in angle.
The length w of the water drop-shaped water separator 4 of each Tesla valve type flow channel unit 2 is 1.0mm, and the opening angle z of the water drop-shaped water separator 4 is 35 degrees; the arc r of the water drop type water separator 4 is an arc with the radius of 0.3mm and the angle of 213 degrees.
According to experimental researches on the solid model, flow values under different pressure conditions are obtained under the condition that the water inlet 1 is provided with different pressures, and a power function fitting is carried out to obtain a pressure flow fitting curve diagram of the Tesla valve type drip irrigation device, wherein the flow state index is 0.3765 and about 0.5 of that of the leaf vein type drip irrigation emitter and the symmetrical leaf vein type drip irrigation device, and the flow state index of the Tesla valve type drip irrigation device is 0.3765. Meanwhile, the device can be made of high-strength plastic, and is convenient to use and long in service life.
Example 2
As shown in fig. 9 to 10, the tesla valve type drip irrigation device comprises a pipeline 6, a tesla valve type drip irrigation emitter 3 arranged on the inner wall surface of the pipeline 6, and a water dropper 7 arranged at the bottom of the pipeline 6 and communicated with the tail end of the tesla valve type drip irrigation emitter 3, wherein the tesla valve type drip irrigation emitter 3 comprises a water inlet 1, a tesla valve type flow channel unit 2 and a water outlet 5 which are connected in sequence; the upper end of the water inlet 1 is connected with the inlet of the first Tesla valve type flow passage unit 2, and the outlet of the terminal Tesla valve type flow passage unit 2 is connected with the upper end of the water outlet 5;
each tesla valve type flow channel unit 2 comprises two asymmetric arc-shaped flow channels and a water drop-shaped water separator 4 arranged in each arc-shaped flow channel, each arc-shaped flow channel consists of an inclined straight line and an arc-shaped corner, and the water drop-shaped water separators 4 are uniformly distributed along the flow channels.
Wherein the total width h of each tesla valve-type flow channel unit 2 is 2.6mm, and the length k of each tesla valve-type flow channel unit 2 is 5.0mm;
the first tesla valve type flow passage unit 2 consists of a downward arc-shaped flow passage and an upward arc-shaped flow passage; the upward arc-shaped runner of the Tesla valve-type runner unit 2 at the tail end is connected with a water outlet 5; the drip heads of the drip-shaped water separators 4 in each tesla valve type flow passage unit 2 face the water outlet 5.
According to experimental researches on the solid model, flow values under different pressure conditions are obtained under the condition that the water inlet 1 is provided with different pressures, and a power function fitting is carried out to obtain a pressure flow fitting curve diagram of the Tesla valve type drip irrigation device, wherein the flow state index is 0.3988 and about 0.5 of that of the leaf vein type drip irrigation emitter and the symmetrical leaf vein type drip irrigation device, and the flow state index of the Tesla valve type drip irrigation device is 0.3988. Meanwhile, the device can be made of high-strength plastic, and is convenient to use and long in service life.
Compared with the Tesla valve type drip irrigation device in the embodiment 1, the device of the embodiment can obviously increase the flow, can meet more requirements, and can be widely applied.
While the present utility model has been described in detail with reference to the drawings, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.
Claims (6)
1. A tesla valve type drip irrigation device, characterized in that: the water inlet (1), the Tesla valve type flow channel unit (2) and the water outlet (5) which are connected in sequence are arranged on the inner wall surface of the pipeline (6), and the water dropper (7) is arranged at the bottom of the pipeline (6) and is communicated with the tail end of the Tesla valve type drip irrigation device (3); the upper end of the water inlet (1) is connected with the inlet of the first Tesla valve type flow passage unit (2), and the outlet of the terminal Tesla valve type flow passage unit (2) is connected with the upper end of the water outlet (5);
each tesla valve type flow channel unit (2) comprises two asymmetric arc-shaped flow channels and a water drop-shaped water separator (4) arranged in each arc-shaped flow channel, each arc-shaped flow channel consists of an inclined straight line and an arc-shaped corner, and the water drop-shaped water separators (4) are uniformly distributed along the flow channels.
2. The tesla valve drip irrigation device according to claim 1, wherein: the total width h of each Tesla valve type flow passage unit (2) is 2.6mm, and the length k of each Tesla valve type flow passage unit (2) is 5.0mm.
3. The tesla valve drip irrigation device according to claim 2, wherein: the first tesla valve type flow passage unit (2) consists of an upward arc-shaped flow passage and a downward arc-shaped flow passage; the downward arc-shaped runner of the Tesla valve-type runner unit (2) at the tail end is connected with a water outlet (5); the water drop head of the water drop-shaped water separator (4) in each Tesla valve type flow passage unit (2) faces the water inlet (1).
4. A tesla valve drip irrigation device according to claim 3, wherein: the width a of the flow channel inlet in each Tesla valve type flow channel unit (2) is 0.6mm; the length b of the upper end of the water inlet (1) away from the first bending part is 1.1mm; the length c of the lower end of the water inlet (1) at the position away from the first arc-shaped corner is 5.30mm; the outer inclined straight line length f of the rest flow channels is 4.2mm; the length e of the upper end of the water inlet (1) at the position away from the first arc-shaped corner is 2.1mm; the length g of the upper end of the water outlet (5) away from the first bending part is 2.4mm; the length k of the lower end of the water outlet (5) away from the first bending part is 1mm; the arc-shaped corner R is 0.8mm in radius and 113 degrees in angle.
5. A tesla valve drip irrigation device according to claim 3, wherein: the length w of the water drop-shaped water separator (4) of each Tesla valve type flow channel unit (2) is 1.0mm, and the opening angle z of the water drop-shaped water separator (4) is 35 degrees; the arc r of the water drop-shaped water separator (4) is an arc with the radius of 0.3mm and the angle of 213 degrees.
6. The tesla valve drip irrigation device according to claim 2, wherein: the first tesla valve type flow passage unit (2) consists of a downward arc-shaped flow passage and an upward arc-shaped flow passage; the upward arc-shaped runner of the Tesla valve-type runner unit (2) at the tail end is connected with a water outlet (5); the water drop head of the water drop-shaped water separator (4) in each Tesla valve type flow passage unit (2) faces the water outlet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321200571.0U CN219844391U (en) | 2023-05-17 | 2023-05-17 | Tesla valve type drip irrigation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321200571.0U CN219844391U (en) | 2023-05-17 | 2023-05-17 | Tesla valve type drip irrigation device |
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| Publication Number | Publication Date |
|---|---|
| CN219844391U true CN219844391U (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321200571.0U Active CN219844391U (en) | 2023-05-17 | 2023-05-17 | Tesla valve type drip irrigation device |
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| Country | Link |
|---|---|
| CN (1) | CN219844391U (en) |
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2023
- 2023-05-17 CN CN202321200571.0U patent/CN219844391U/en active Active
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