CN112314398A - Utilize solar energy or wind energy steady voltage to drip irrigation device and system - Google Patents
Utilize solar energy or wind energy steady voltage to drip irrigation device and system Download PDFInfo
- Publication number
- CN112314398A CN112314398A CN202011218340.3A CN202011218340A CN112314398A CN 112314398 A CN112314398 A CN 112314398A CN 202011218340 A CN202011218340 A CN 202011218340A CN 112314398 A CN112314398 A CN 112314398A
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- Prior art keywords
- drip irrigation
- pipe
- water
- water tank
- energy
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- 238000003973 irrigation Methods 0.000 title claims abstract description 113
- 230000002262 irrigation Effects 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000010248 power generation Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- A01G25/16—Control of watering
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Soil Sciences (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
A drip irrigation device and system utilizing solar energy or wind energy to stabilize pressure fully utilize clean energy to solve the problem of uneven drip irrigation in the existing drip irrigation mode. It includes: the water tank is filled with water to be irrigated, a conveying pipe is arranged on the side wall of the water tank, a water pump is arranged on the inner side of the water tank, and the water pump pumps the water in the water tank into the conveying pipe; the energy collecting unit is arranged above the water tank and stores energy in a solar power generation or wind power generation mode; the drip irrigation unit comprises a drip irrigation pipe connected with the conveying pipe and a plurality of drip irrigation lines which are connected with the drip irrigation pipe and arranged side by side, wherein each drip irrigation line comprises a plurality of drip irrigation belts and voltage stabilizing pipes which are arranged in sequence, and locators are arranged at two ends of each drip irrigation line and used for fixing the drip irrigation belts and the ground surface together. The drip irrigation system is simple in structure, and can realize intelligent monitoring while realizing uniform drip irrigation, so that the drip irrigation condition can be known in time.
Description
Technical Field
The invention relates to the technical field of drip irrigation, in particular to a drip irrigation device and system utilizing solar energy or wind energy to stabilize pressure.
Background
Drip irrigation, when the water resource is saved, the required water can be provided for crops. To ensure that the amount of water obtained by the crop is substantially equivalent, the outflow from each drip irrigation hole should remain the same. In the field, the drip irrigation device can provide power for drip irrigation conveniently, such as solar energy or wind energy can be fully utilized, and the drip irrigation cost can be greatly saved.
Disclosure of Invention
The invention aims to provide a pressure-stabilizing drip irrigation device and system utilizing solar energy or wind energy, which fully utilize clean energy to solve the problem of uneven drip irrigation in the existing drip irrigation mode.
The technical scheme adopted by the invention for solving the technical problems is as follows: a drip irrigation device utilizing solar energy or wind energy to stabilize pressure is characterized by comprising:
the water tank is filled with water to be irrigated, a conveying pipe is arranged on the side wall of the water tank, a water pump is arranged on the inner side of the water tank, and the water pump pumps the water in the water tank into the conveying pipe;
the energy collecting unit is arranged above the water tank and stores energy in a solar power generation or wind power generation mode;
the drip irrigation unit comprises a drip irrigation pipe connected with the conveying pipe and a plurality of drip irrigation lines which are connected with the drip irrigation pipe and arranged side by side, wherein each drip irrigation line comprises a plurality of drip irrigation belts and voltage stabilizing pipes which are arranged in sequence, and locators are arranged at two ends of each drip irrigation line and used for fixing the drip irrigation belts and the ground surface together.
Furthermore, a water inlet pipe and a water outlet pipe are arranged on the water pump, a filter valve is arranged at the inlet of the water inlet pipe, a connecting disc is arranged on the inner wall of the water tank, and the connecting disc connects the water outlet pipe and the conveying pipe together.
Furthermore, an inner tube is arranged on the inner side of the pressure stabilizing tube, two ends of the inner tube are in threaded connection and sealing with the pressure stabilizing tube, an annular cavity is formed between the outer wall of the inner tube and the inner wall of the pressure stabilizing tube, a spiral damper is fixed on the outer wall of the inner tube, a through hole is formed in the side wall of the inner tube, and a drip irrigation hole is formed in the side wall of the pressure stabilizing tube.
Furthermore, both ends of the drip irrigation tape are provided with connecting rings which are fixedly connected with the pressure stabilizing tube.
Furthermore, circular grooves are formed in two end faces of the voltage stabilizing tube, the connecting ring is arranged in the circular grooves, and screws are arranged between the connecting ring and the voltage stabilizing tube.
Furthermore, a flow guide pipe is fixed on the outer wall of the pressure stabilizing pipe and is communicated with the drip irrigation hole.
A drip irrigation system utilizing solar energy or wind energy to stabilize pressure is characterized by comprising a drip irrigation device and a detection unit, wherein the detection unit comprises a rotating wheel rotatably arranged in a flow guide pipe, a shifting plate fixed on the outer wall of the rotating wheel, a detection wheel arranged outside the flow guide pipe and coaxially arranged with the rotating wheel, a rotating speed sensor for monitoring the rotating speed of the detection wheel, and a wireless signal transmitter in signal connection with the rotating speed sensor.
The invention has the beneficial effects that: the pressure-stabilizing drip irrigation device and system utilizing solar energy or wind energy provided by the invention have simple structures, can realize uniform drip irrigation and intelligent monitoring, and further know the drip irrigation condition in time.
Drawings
Fig. 1 is a front view of a drip irrigation device of the present invention;
FIG. 2 is a cross-sectional view of the water tank;
FIG. 3 is a top view of the drip irrigation unit;
FIG. 4 is a schematic view of the assembly of a surge tube with drip tape;
FIG. 5 is a schematic view of the flow direction of water within the drip irrigation line;
FIG. 6 is a cross-sectional view of a stabilivolt;
fig. 7 is a cross-sectional view of the drip irrigation tape;
FIG. 8 is a schematic view of a drive unit;
FIG. 9 is a schematic view of a draft tube disposed on the outer wall of a surge tube;
FIG. 10 is a partial cross-sectional view of a draft tube;
in the figure: the device comprises a water tank 1, a delivery pipe 11, a connecting disc 12, a water pump 13, a water outlet pipe 14, a water inlet pipe 15, a filter valve 16, a solar panel 2, a support 21, an irrigation pipe 3, a drip tape 4, a connecting ring 41, screws 42, a pressure stabilizing pipe 5, an inner pipe 51, a through hole 52, a damper 53, an annular cavity 54, a resistance cavity 55, a drip irrigation hole 56, a circular groove 57, a positioner 6, an inserted rod 61, a handle 62, a flow guide pipe 7, a rotating wheel 71, a stirring plate 72 and a detection wheel 8.
Detailed Description
As shown in fig. 1 to 10, the drip irrigation device of the present invention mainly comprises a water tank 1 and a drip irrigation unit, and will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the water tank 1 is a cuboid structure, the top of the water tank is open, and the water tank can be built by bricks and cement. A delivery pipe 11 is fixed on the side wall of the water tank, and water in the water tank flows out through the delivery pipe. A water pump 13 is arranged in the water tank, a water inlet pipe 15 and a water outlet pipe 16 are connected to the water pump, a connecting disc 12 is installed on the inner side wall of the water tank, the first end of the connecting disc is connected with the water outlet pipe, and the second end of the connecting disc is connected with the conveying pipe. Thus, the connection between the delivery pipe and the water outlet pipe is realized through the connecting disc, the filter valve 16 is installed at the inlet of the water inlet pipe, and the water pump extracts water in the water tank and then flows out of the water tank through the delivery pipe for irrigation.
An energy collecting unit is arranged above the water tank and comprises a solar panel 2 and a storage battery, and as shown in fig. 8, the solar panel absorbs solar energy, converts the solar energy into electric energy and stores the electric energy in the storage battery. The energy collecting unit can also obtain electric energy by utilizing wind power, and wind power generation is the prior art and is not described herein again.
The delivery pipe is connected to a drip irrigation unit, which, as shown in fig. 3, comprises a drip irrigation pipe 3 and a number of drip irrigation lines connected to the drip irrigation pipe. The drip irrigation pipes are long pipes which are perpendicular to and connected with the conveying pipes, the drip irrigation pipes chariot are arranged side by side, the drip irrigation line is composed of a plurality of pressure stabilizing pipes 5 and drip irrigation belts 4, the two ends of each pressure stabilizing pipe are connected with the drip irrigation belts, and the pressure stabilizing pipes are connected with the drip irrigation belts end to end. As shown in fig. 4 and 6, the surge tank is a plastic circular tube, an inner tube 51 is arranged on the inner side of the surge tank, the inner tube is in threaded connection with the surge tank, a ring cavity 54 is formed between the outer wall of the inner tube and the inner wall of the surge tank, a spiral damper 53 is fixed on the outer wall of the inner tube, and the outer wall of the damper is in close contact with the inner wall of the surge tank. And a resistance cavity 55 is formed between the damper and the outer wall of the inner pipe and between the damper and the inner wall of the pressure stabilizing pipe, and a through hole 52 is formed in the side wall of the inner pipe and is communicated with the annular cavity. And a drip irrigation hole 56 is arranged on the side wall of the pressure stabilizing pipe and is communicated with the annular cavity. Circular grooves 57 are arranged in two end faces of the voltage stabilizing tube, and the inner diameter of each circular groove is larger than the outer diameter of the inner tube. Under the action of the damper, the action of the pressure stabilizing tube is reflected, namely the water flow pressure in the annular cavity is approximately equal.
As shown in fig. 7, the drip irrigation tape 4 is a prior art drip irrigation tape, and the length of the drip irrigation tape is between 40 and 200 cm. The two ends of the drip irrigation tape are respectively provided with a connecting ring 41 which is of a circular ring structure, the connecting rings are arranged in the circular grooves during installation, and screws 42 are arranged between the connecting rings and the pressure stabilizing tubes to realize the connection of the pressure stabilizing tubes and the drip irrigation tape. In order to ensure the sealing performance, a sealing ring is arranged between the connecting ring and the voltage stabilizing tube. Thus, the two ends of each drip tape are provided with a pressure stabilizing tube.
As shown in fig. 5, the water flows in the drip irrigation zone, and after flowing into the pressure stabilizing pipe, the water flows into the annular cavity through the through holes and enters the resistance cavity, the flow rate of the water flow in the resistance cavity is gradually reduced, and finally the water flow flows out of the pressure stabilizing pipe through the drip irrigation holes to realize drip irrigation.
In order to avoid blocking the drip irrigation holes by soil and sand in the field, as shown in fig. 9, a flow guide pipe 7 is arranged on the outer wall of the pressure stabilizing tube, the first end of the flow guide pipe is fixedly connected with the outer wall of the pressure stabilizing tube, the second end of the flow guide pipe is far away from the pressure stabilizing tube, and the length of the flow guide pipe is between 5 and 10 cm. The water flowing out of the drip irrigation holes enters the flow guide pipe, and the flow guide pipe is tiled on the ground surface, so that the phenomenon that the drip irrigation holes are blocked is avoided.
When the drip irrigation device is used for drip irrigation, a drip irrigation line is laid, and then a water pump is started. At the moment, the pressure of water flow entering the annular cavity of the pressure stabilizing tube is approximately equal, and the speed of water drops dropping through the drip irrigation holes is equal, so that uniform drip irrigation can be realized, and uniform growth of crops is ensured.
In order to prevent the displacement of the drip irrigation line, the two ends of the drip irrigation line are respectively provided with a positioner 6, as shown in fig. 1, the positioner is substantially a metal round pipe, the top of the positioner is fixed with a handle 62, the bottom of the positioner is fixed with an inserted bar 61, when in use, the inserted bar is inserted into soil by holding the handle with hands, and the drip irrigation line is fixed.
For the convenience of intelligent detection and intelligent control, a detection unit is additionally arranged on the drip irrigation device to form a drip irrigation system, as shown in fig. 10, a rotating wheel 71 is rotatably arranged in two to three guide pipes of each drip irrigation line, a plurality of shifting plates 72 are fixed on the outer wall of the rotating wheel, and when water flows pass through the rotating wheel, the water flows are in contact with the shifting plates to further push the rotating wheel to rotate. And a detection wheel 8 which is coaxial with the rotating wheel is arranged outside the flow guide pipe, and a rotating speed sensor is arranged on the outer wall of the flow guide pipe and used for measuring the rotating speed of the detection wheel. The rotating speed sensor transmits the data to the monitoring end through the wireless signal emitter, the monitoring end receives monitoring data from each drip irrigation line, and whether the voltage stabilizing tube of each drip irrigation line works normally or not can be known through the monitoring data. If the monitoring data of different drip irrigation lines are different greatly, the fault of part of the drip irrigation lines is indicated. When the monitoring data of each drip irrigation line is small, the flow speed of water flow is low during drip irrigation, and the power of the water pump can be properly increased. The detection wheel, the rotating wheel, the dial plate, the rotating speed sensor and the wireless signal emitter form a detection unit.
The drip irrigation system is simple in structure, and can realize intelligent monitoring while realizing uniform drip irrigation, so that the drip irrigation condition can be known in time.
Claims (7)
1. A drip irrigation device utilizing solar energy or wind energy to stabilize pressure is characterized by comprising:
the water tank is filled with water to be irrigated, a conveying pipe is arranged on the side wall of the water tank, a water pump is arranged on the inner side of the water tank, and the water pump pumps the water in the water tank into the conveying pipe;
the energy collecting unit is arranged above the water tank and stores energy in a solar power generation or wind power generation mode;
the drip irrigation unit comprises a drip irrigation pipe connected with the conveying pipe and a plurality of drip irrigation lines which are connected with the drip irrigation pipe and arranged side by side, wherein each drip irrigation line comprises a plurality of drip irrigation belts and voltage stabilizing pipes which are arranged in sequence, and locators are arranged at two ends of each drip irrigation line and used for fixing the drip irrigation belts and the ground surface together.
2. The drip irrigation device using solar energy or wind energy for stabilizing pressure according to claim 1, wherein a water inlet pipe and a water outlet pipe are provided on the water pump, a filter valve is provided at an inlet of the water inlet pipe, and a connecting disc is provided on an inner wall of the water tank, and connects the water outlet pipe and the delivery pipe together.
3. The drip irrigation device using solar energy or wind energy for stabilizing pressure according to claim 1, wherein an inner tube is arranged inside the pressure stabilizing tube, two ends of the inner tube are connected and sealed with the pressure stabilizing tube in a threaded manner, an annular cavity is formed between the outer wall of the inner tube and the inner wall of the pressure stabilizing tube, a spiral damper is fixed on the outer wall of the inner tube, a through hole is formed in the side wall of the inner tube, and a drip irrigation hole is formed in the side wall of the pressure stabilizing tube.
4. The drip irrigation device using solar energy or wind energy for stabilizing pressure according to claim 1, wherein the drip irrigation tape is provided with connecting rings at both ends thereof, and the connecting rings are fixedly connected with the pressure stabilizing tube.
5. The drip irrigation device using solar energy or wind energy for stabilizing pressure according to claim 1, wherein circular grooves are formed in both end surfaces of the pressure stabilizing tube, the connecting ring is arranged in the circular grooves, and screws are arranged between the connecting ring and the pressure stabilizing tube.
6. The drip irrigation device using solar energy or wind energy for stabilizing pressure according to claim 1, wherein a flow guide pipe is fixed on the outer wall of the pressure stabilizing pipe and is communicated with the drip irrigation hole.
7. A drip irrigation system utilizing solar energy or wind energy to stabilize pressure is characterized by comprising a drip irrigation device and a detection unit, wherein the detection unit comprises a rotating wheel rotatably arranged in a flow guide pipe, a shifting plate fixed on the outer wall of the rotating wheel, a detection wheel arranged outside the flow guide pipe and coaxially arranged with the rotating wheel, a rotating speed sensor for monitoring the rotating speed of the detection wheel, and a wireless signal transmitter in signal connection with the rotating speed sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011218340.3A CN112314398B (en) | 2020-11-04 | 2020-11-04 | Utilize solar energy or wind energy steady voltage to drip irrigation device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011218340.3A CN112314398B (en) | 2020-11-04 | 2020-11-04 | Utilize solar energy or wind energy steady voltage to drip irrigation device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112314398A true CN112314398A (en) | 2021-02-05 |
| CN112314398B CN112314398B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011218340.3A Active CN112314398B (en) | 2020-11-04 | 2020-11-04 | Utilize solar energy or wind energy steady voltage to drip irrigation device and system |
Country Status (1)
| Country | Link |
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| CN (1) | CN112314398B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115462230A (en) * | 2022-08-23 | 2022-12-13 | 山东省农业科学院作物研究所 | Winter wheat field liquid manure integration management system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2335329A1 (en) * | 1975-12-19 | 1977-07-15 | Drostub Sa | Double-wall plastics pipes - with one smooth outer and one spirally corrugated wall, for drip irrigation in arid regions |
| CN2598340Y (en) * | 2003-03-05 | 2004-01-14 | 王晨 | Ultra-low waterhead compensating drip irrigation belt |
| CN101223856A (en) * | 2007-11-30 | 2008-07-23 | 中国科学院水利部水土保持研究所 | Anti-clogging drop irrigator with stable flow and low pressure |
| CN205431020U (en) * | 2015-12-25 | 2016-08-10 | 重庆旭鹏生态农业开发有限公司 | Fertilizer injection unit for irrigation |
| CN206866199U (en) * | 2017-05-31 | 2018-01-12 | 青岛农业大学 | External mounting type cylindrical drip irrigation tube and agricultural greenhouse system |
| CN206866249U (en) * | 2017-05-31 | 2018-01-12 | 青岛农业大学 | Cylindrical drip irrigation tube and agricultural greenhouse system are inlayed outside pressure-compensated |
| CN207340886U (en) * | 2017-09-29 | 2018-05-11 | 深圳市深绿园林技术实业有限公司 | A kind of afforestation drip irrigation pipe |
| CN208064011U (en) * | 2017-12-04 | 2018-11-09 | 马玉真 | A kind of agricultural dropleting enemaing system carrying out large area trickle irrigation using solar energy |
| CN210382124U (en) * | 2019-06-21 | 2020-04-24 | 新疆天业（集团）有限公司 | Surface water irrigates and uses drip irrigation zone with stationary flow function |
-
2020
- 2020-11-04 CN CN202011218340.3A patent/CN112314398B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2335329A1 (en) * | 1975-12-19 | 1977-07-15 | Drostub Sa | Double-wall plastics pipes - with one smooth outer and one spirally corrugated wall, for drip irrigation in arid regions |
| CN2598340Y (en) * | 2003-03-05 | 2004-01-14 | 王晨 | Ultra-low waterhead compensating drip irrigation belt |
| CN101223856A (en) * | 2007-11-30 | 2008-07-23 | 中国科学院水利部水土保持研究所 | Anti-clogging drop irrigator with stable flow and low pressure |
| CN205431020U (en) * | 2015-12-25 | 2016-08-10 | 重庆旭鹏生态农业开发有限公司 | Fertilizer injection unit for irrigation |
| CN206866199U (en) * | 2017-05-31 | 2018-01-12 | 青岛农业大学 | External mounting type cylindrical drip irrigation tube and agricultural greenhouse system |
| CN206866249U (en) * | 2017-05-31 | 2018-01-12 | 青岛农业大学 | Cylindrical drip irrigation tube and agricultural greenhouse system are inlayed outside pressure-compensated |
| CN207340886U (en) * | 2017-09-29 | 2018-05-11 | 深圳市深绿园林技术实业有限公司 | A kind of afforestation drip irrigation pipe |
| CN208064011U (en) * | 2017-12-04 | 2018-11-09 | 马玉真 | A kind of agricultural dropleting enemaing system carrying out large area trickle irrigation using solar energy |
| CN210382124U (en) * | 2019-06-21 | 2020-04-24 | 新疆天业（集团）有限公司 | Surface water irrigates and uses drip irrigation zone with stationary flow function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115462230A (en) * | 2022-08-23 | 2022-12-13 | 山东省农业科学院作物研究所 | Winter wheat field liquid manure integration management system |
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| CN112314398B (en) | 2023-02-28 |
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