CN115349342A - Automatic constant pressure method for water and fertilizer irrigation system - Google Patents
Automatic constant pressure method for water and fertilizer irrigation system Download PDFInfo
- Publication number
- CN115349342A CN115349342A CN202210968514.0A CN202210968514A CN115349342A CN 115349342 A CN115349342 A CN 115349342A CN 202210968514 A CN202210968514 A CN 202210968514A CN 115349342 A CN115349342 A CN 115349342A
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- Prior art keywords
- irrigation
- pump station
- pipeline
- fertilizer
- liquid
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
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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
- A01G25/16—Control of watering
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0089—Regulating or controlling systems
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses an automatic constant pressure method for a water and fertilizer irrigation system, which comprises a liquid supply pool, a pump station and an irrigation area which are sequentially connected, wherein the pump station comprises two liquid outlets which are respectively a first liquid outlet and a second liquid outlet; the system also includes a reclamation tank. This irrigation system uses two liquid outlets to implement the irrigation from irrigating regional both ends together, overcome because the plot is far away from the confession liquid pool, the not enough problem of pressure, make the pressure of irrigating regional individual part reach automatic balance, the waste of liquid manure has been avoided, the while system is from taking the recovery pond, can wash the pipeline on the one hand, on the other hand recycle the liquid manure of pipeline the inside, the pollution of environment has also been avoided, two liquid outlets supply liquid manure together simultaneously, can use the pipeline in aperture, and the cost is saved.
Description
The parent application: 2020111396667 an automatic constant pressure water and fertilizer irrigation system.
Technical Field
The invention relates to the field of irrigation, in particular to an automatic constant pressure method for a water and fertilizer irrigation system.
Background
The water, fertilizer and pesticide integration is a new agricultural technology integrating irrigation, fertilization and pest control, and is characterized by that it utilizes an automatic constant pressure system to mix soluble solid or liquid fertilizer with fertilizer liquor and irrigation water according to the nutrient content of soil and fertilizer-requiring rule and characteristics of crops, and utilizes the nutrient channel and fertilizer gun to uniformly and quantitatively and accurately inject the soil of root region of crops so as to ensure the water content and nutrient content required by crops.
Liquid manure irrigation system among the prior art all uses a single liquid outlet to irrigate the region that needs irrigate through an irrigation pipe, along with the increase of distance, can be because pressure is not enough from the plot that supplies the liquid pond far away, leads to the unable normal irrigation of liquid manure to corresponding plot and is detained in irrigation pipe, causes the waste of liquid manure, also can pollute the pipeline.
Disclosure of Invention
The invention mainly provides an automatic constant pressure method of an irrigation system, which can solve the problems that water and fertilizer cannot be normally irrigated to corresponding plots and are retained in an irrigation pipeline, so that the water and fertilizer are wasted and the pipeline can be polluted in the prior art.
In order to solve the technical problems, the invention adopts a technical scheme that: an automatic constant pressure method for a water and fertilizer irrigation system is provided.
The water and fertilizer irrigation system comprises a liquid supply pool YC1, a pump station HB and an irrigation area 7 which are sequentially connected, and the method comprises the following steps:
the pump station HB is provided with two liquid outlets, namely a first liquid outlet and a second liquid outlet, which are respectively connected with two ends of the irrigation area 7 to form an annular structure;
the first liquid outlet is connected with one end of the irrigation area through a first irrigation pipeline 1, the other end of the irrigation area is connected with the second liquid outlet through a third irrigation pipeline 3, the liquid supply pool YC1 is connected with the pump station HB through a second irrigation pipeline 2, and an intelligent liquid fertilizer machine is arranged in the liquid supply pool;
supplying water fertilizer or nutrient solution to the irrigation area 7 through the liquid supply pool YC1, and pressurizing the water fertilizer or nutrient solution when the water fertilizer or nutrient solution flows through the pump station HB;
irrigate regional 7 including a plurality of subregion landmasses, connect through irrigation pipe between the adjacent landmasses, all be provided with switch connector FC on the irrigation pipe who is close to every landmass, every landmass corresponds different irrigation demands, through the landmass that switch connection selective control needs to irrigate is preferred, an automatic constant voltage method for liquid manure irrigation system, be provided with first pump station ball valve K1 on the second irrigation pipe 2, be close to be provided with fourth pump station ball valve K4 on the first irrigation pipe 1 of first liquid outlet, be close to be provided with third pump station ball valve K3 on the third irrigation pipe 3 of second liquid outlet.
Preferably, the system further comprises a recovery pond YC2, wherein the recovery pond YC2 is connected with the pump station HB through a fourth irrigation pipe 4, the recovery pond YC2 is connected with the first irrigation pipe 1 between the first pump station ball valve K1 and an irrigation area 7 through a fifth irrigation pipe 5, and the recovery pond YC2 is connected with the third irrigation pipe 3 between the third pump station ball valve K3 and the irrigation area 7 through a sixth irrigation pipe 6; and a second pump station ball valve K2, a fifth pump station ball valve K5 and a sixth pump station ball valve K6 are respectively arranged on the fourth irrigation pipeline 4, the fifth irrigation pipeline 5 and the sixth irrigation pipeline 6.
Preferably, the first irrigation pipe 1 and the third irrigation pipe 3 are provided with laminated filters and/or automatic back-flushing medium filters.
Preferably, the first irrigation pipe 1 and the third irrigation pipe 3 are provided with flow meters.
Preferably, the switch connector FC is connected to a mobile hose, a pesticide gun and/or a fertigation gun.
Preferably, the system further comprises a weather station, a field wireless controller and a management system, wherein the weather station and the field wireless controller are connected with the management system through a wireless network.
Preferably, an automatic constant pressure method for the water and fertilizer irrigation system is characterized in that an intelligent water and fertilizer machine and a controller are arranged in the liquid supply pool, and the controller is connected with the management system through a wireless network.
Preferably, the automatic constant-pressure method for the water and fertilizer irrigation system is characterized in that a storage battery and a solar panel are arranged on the meteorological station, and the storage battery is connected with the solar panel.
The invention has the beneficial effects that: (1) Compared with the prior art, the irrigation device disclosed by the invention has the advantages that two liquid outlets are used for carrying out irrigation from two ends of an irrigation area together, so that the problem of insufficient pressure caused by the fact that a land is far away from a liquid supply tank is solved, the pressure of each part of the irrigation area is automatically balanced, and the waste and pollution of a pipeline caused by the fact that water and fertilizer are retained in the pipeline are avoided; (2) Meanwhile, the system is provided with a recovery tank, so that the pipeline can be cleaned, and the water and fertilizer in the pipeline can be recycled, thereby avoiding the environmental pollution.
Drawings
FIG. 1 is a schematic diagram of an automatic constant pressure liquid manure irrigation system of the present invention;
FIG. 2 is a schematic diagram of the automatic constant pressure water and fertilizer irrigation system for partitioned irrigation;
fig. 3 is a schematic diagram of an automatic constant-pressure water and fertilizer irrigation system with a recovery tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and more complete, the following embodiments are further illustrated in the accompanying drawings.
Example 1
In an exemplary embodiment, the automatic constant-pressure water and fertilizer irrigation system comprises a liquid supply tank YC1, a pump station HB and an irrigation area 7 which are connected in sequence, wherein the pump station HB comprises two liquid outlets, namely a first liquid outlet and a second liquid outlet, and the first liquid outlet and the second liquid outlet are respectively connected with two ends of the irrigation area (7) to form an annular structure; the first liquid outlet is connected with one end of the irrigation area through a first irrigation pipeline 1, and the other end of the irrigation area is connected with the second liquid outlet through a third irrigation pipeline 3; the liquid supply tank YC1 is connected with the pump station HB through a second irrigation pipeline 2. And a first pump station ball valve K1 is arranged on the second irrigation pipeline 2, a fourth pump station ball valve K4 is arranged on the first irrigation pipeline 1 close to the first liquid outlet, and a third pump station ball valve K3 is arranged on the third irrigation pipeline 3 close to the second liquid outlet.
The irrigation system is realized by the following principle: according to the demand of the water, fertilizer, medicine of irrigation zone 7, provide water and fertilizer or nutrient solution etc. that irrigation zone 7 needs through supply tank YC1, after the pressurization of pump station HB is handled by the liquid that supplies tank YC1 to flow into irrigation zone 7 through first liquid outlet and second liquid outlet simultaneously, this irrigation mode forms the loop circuit between supply tank YC1 and irrigation zone 7, replaces the traditional mode that only supplies tank YC1 to irrigation zone 7.
Further, the irrigation mode of loop makes the pressure of every position unanimous in the pipeline, and what correspond no matter how far away from pump station HB irrigates regional 7 pressure all is certain, reaches the effect of the automatic constant voltage of whole irrigation loop, has avoided traditional mode, when irrigating to the position far away, and pressure does not enough lead to the liquid manure to be detained in the pipeline, causes the problem of extravagant and polluted pipeline.
Further, a liquid manure irrigation system of automatic constant voltage, be provided with first pump station ball valve K1 on the second irrigation pipe 2, be close to be provided with fourth pump station ball valve K4 on the first irrigation pipe 1 of first liquid outlet, be close to be provided with third pump station ball valve K3 on the third irrigation pipe 3 of second liquid outlet. The irrigation is controlled by controlling a first pump station ball valve K1, a third pump station ball valve K3 and a fourth pump station ball valve K4.
Example 2
In reality, the irrigation area 7 may not be a planting area of the same crop, but may be a planting area of multiple crops or vegetation, and the requirements of each crop on water and fertilizer are different, this embodiment provides an automatic constant-pressure water and fertilizer irrigation system, which includes a liquid supply tank YC1, a pump station HB, and the irrigation area 7, which are connected in sequence, where the pump station HB includes two liquid outlets, which are a first liquid outlet and a second liquid outlet respectively, the first liquid outlet is connected to one end of the irrigation area through a first irrigation pipe 1, and the other end of the irrigation area is connected to the second liquid outlet through a third irrigation pipe 3; the liquid supply tank YC1 is connected with the pump station HB through a second irrigation pipeline 2.
Further, as shown in fig. 2, the irrigation area 7 includes a plurality of partitioned plots, adjacent plots are connected by irrigation pipes, and a switch connector FC is disposed on the irrigation pipe adjacent to each plot.
Irrigate a plurality of plots of regional 7 package, every plot has corresponding switch connector FC1, FC2,.. Once, FCn, the start/end of every plot irrigation action of switch connector control, this irrigation system's benefit is to different crops, different vegetation kind, divide the plot, at this moment, the liquid manure of every plot demand, medicine etc. are different, when irrigating one of them plot, we select to close the switch connector of other plots department, when every plot all needs to water, open all switch connectors simultaneously and irrigate, reach the effect of flexible control, avoid extravagant and wrong irrigation.
The switch connector may be an existing solenoid valve or other switch control device.
Example 3
In an irrigation system, waste of liquid manure is difficult to avoid, and the embodiment provides an automatic constant-pressure liquid manure irrigation system with a recovery tank, which comprises a liquid supply tank YC1, a pump station HB and an irrigation area 7 which are sequentially connected, wherein the pump station HB comprises two liquid outlets which are a first liquid outlet and a second liquid outlet respectively, and the first liquid outlet and the second liquid outlet are connected with two ends of the irrigation area (7) respectively to form an annular structure; the first liquid outlet is connected with one end of the irrigation area through a first irrigation pipeline 1, and the other end of the irrigation area is connected with the second liquid outlet through a third irrigation pipeline 3; the liquid supply tank YC1 is connected with the pump station HB through a second irrigation pipeline 2.
And a first pump station ball valve K1 is arranged on the second irrigation pipeline 2, a fourth pump station ball valve K4 is arranged on the first irrigation pipeline 1 close to the first liquid outlet, and a third pump station ball valve K3 is arranged on the third irrigation pipeline 3 close to the second liquid outlet.
Further, as shown in fig. 3, an automatic constant-pressure water and fertilizer irrigation system further comprises a recovery tank YC2, wherein the recovery tank YC2 is connected with the pump station HB through a fourth irrigation pipe 4, the recovery tank YC2 is connected with the first irrigation pipe 1 between the first pump station ball valve K1 and an irrigation area 7 through a fifth irrigation pipe 5, and the recovery tank YC2 is connected with the third irrigation pipe 3 between the third pump station ball valve K3 and the irrigation area 7 through a sixth irrigation pipe 6; and a second pump station ball valve K2, a fifth pump station ball valve K5 and a sixth pump station ball valve K6 are respectively arranged on the fourth irrigation pipeline 4, the fifth irrigation pipeline 5 and the sixth irrigation pipeline 6.
Further, an automatic constant-pressure water and fertilizer irrigation system is characterized in that a laminated filter and/or an automatic back-flushing medium filter are arranged on each of the first irrigation pipeline 1 and the third irrigation pipeline 3.
Further, the working principle of the system is as follows:
when the irrigation work is carried out: and opening a first pump station ball valve K1, a third pump station ball valve K3 and a fourth pump station ball valve K4, closing a second pump station ball valve K2, a fifth pump station ball valve K5 and a sixth pump station ball valve K6, pressurizing the water and fertilizer by a pump station HB through the first pump station ball valve K1 after the liquid supply pool YC1 is mixed well, and supplying the water and fertilizer to each land through the third pump station ball valve K3 and the fourth pump station ball valve K4 after pressurization.
When the pipeline is cleaned: the first pump station ball valve K1, the third pump station ball valve K3 and the fifth pump station ball valve K5 are opened, the second pump station ball valve K2, the fourth pump station ball valve K4 and the sixth pump station ball valve K6 are closed, and the clean water is pressurized by the pump station HB and then flows through the third pump station ball valve K3, so that the residual water fertilizer in the pipeline is flushed to the recovery tank YC2 through the fifth pump station ball valve K5.
When in recycling: the first pump station ball valve K1, the fourth pump station ball valve K4, the fifth pump station ball valve K5 and the sixth pump station ball valve K6 are closed, the second pump station ball valve K2 and the third pump station ball valve K3 are opened, and water and fertilizer in the recovery pool YC2 are pressurized by the pump station HB through the second pump station ball valve K2 and then are supplied to a land block close to the pump station HB for use, so that waste and pollution are avoided.
Example 4
In order to enhance the intelligent control of the system, an automatic constant-pressure water and fertilizer irrigation system is provided, which comprises a liquid supply tank YC1, a pump station HB and an irrigation area 7 which are sequentially connected, wherein the pump station HB comprises two liquid outlets which are respectively a first liquid outlet and a second liquid outlet, and the first liquid outlet and the second liquid outlet are respectively connected with two ends of the irrigation area (7) to form an annular structure; the first liquid outlet is connected with one end of the irrigation area through a first irrigation pipeline 1, and the other end of the irrigation area is connected with the second liquid outlet through a third irrigation pipeline 3; the liquid supply tank YC1 is connected with the pump station HB through a second irrigation pipeline 2.
Further, a liquid manure irrigation system of automatic constant voltage, be provided with first pump station ball valve K1 on the second irrigation pipe 2, be close to be provided with fourth pump station ball valve K4 on the first irrigation pipe 1 of first liquid outlet, be close to be provided with third pump station ball valve K3 on the third irrigation pipe 3 of second liquid outlet.
Further, an automatic liquid manure irrigation system of constant voltage, all be provided with the flowmeter on first irrigation pipe 1 and the third irrigation pipe 3.
Further, an automatic constant-pressure water and fertilizer irrigation system is characterized in that the switch connector FC is connected with a movable hose, a pesticide spraying gun and/or a fertilizer application gun. The plots are irrigated finely, including fertilizing the roots or surfaces of the crops, by means of mobile hoses, pesticide guns and/or fertigation guns.
Further, the automatic constant-pressure water and fertilizer irrigation system further comprises a weather station, a field wireless controller and a management system, wherein the weather station and the field wireless controller are connected with the management system through a wireless network. And the land environment is monitored in real time, and a fertilization scheme is reasonably formulated.
Further, an automatic constant-pressure water and fertilizer irrigation system is characterized in that an intelligent water and fertilizer machine and a controller are arranged in a liquid supply pool, and the controller is connected with a management system through a wireless network. An intelligent control system is formed, and management and operation are facilitated.
Further, an automatic liquid manure irrigation system of constant voltage, be provided with battery and solar cell panel on the meteorological station, the battery is connected with solar cell panel.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (9)
1. An automatic constant pressure method for a liquid manure irrigation system, the liquid manure irrigation system comprising a liquid supply tank YC1, a pump station HB and an irrigation area (7) connected in sequence, characterized in that the method comprises:
the pump station HB is provided with two liquid outlets which are respectively a first liquid outlet and a second liquid outlet, and the first liquid outlet and the second liquid outlet are respectively connected with two ends of the irrigation area (7) to form an annular structure;
the first liquid outlet is connected with one end of the irrigation area through a first irrigation pipeline (1), the other end of the irrigation area is connected with the second liquid outlet through a third irrigation pipeline (3), the liquid supply pool YC1 is connected with the pump station HB through a second irrigation pipeline (2), and an intelligent liquid manure machine is arranged in the liquid supply pool;
supplying water fertilizer or nutrient solution to the irrigation area (7) through the liquid supply pool YC1, and pressurizing the water fertilizer or nutrient solution when the water fertilizer or nutrient solution flows through the pump station HB;
irrigation zone (7) include a plurality of subregion plots, connect through irrigation conduit between the adjacent plots, all be provided with switch connector FC on the irrigation conduit that is close to every plot, every plot corresponds different irrigation demands, through switch connection selection control needs the plot of irrigating.
2. The automatic constant pressure method for the water and fertilizer irrigation system according to claim 1, wherein the method comprises the following steps: and a first pump station ball valve K1 is arranged on the second irrigation pipeline (2), a fourth pump station ball valve K4 is arranged on the first irrigation pipeline (1) close to the first liquid outlet, and a third pump station ball valve K3 is arranged on the third irrigation pipeline (3) close to the second liquid outlet.
3. The automatic constant pressure method for the liquid manure irrigation system as claimed in claim 2, wherein: the system further comprises a recovery pool YC2, wherein the recovery pool YC2 is connected with the pump station HB through a fourth irrigation pipeline (4), the recovery pool YC2 is connected with a first irrigation pipeline (1) between the first pump station ball valve K1 and an irrigation area (7) through a fifth irrigation pipeline (5), and the recovery pool YC2 is connected with a third irrigation pipeline (3) between the third pump station ball valve K3 and the irrigation area (7) through a sixth irrigation pipeline (6); and a second pump station ball valve K2, a fifth pump station ball valve K5 and a sixth pump station ball valve K6 are respectively arranged on the fourth irrigation pipeline (4), the fifth irrigation pipeline (5) and the sixth irrigation pipeline (6).
4. The automatic constant pressure method for the water and fertilizer irrigation system according to claim 1, characterized in that: and laminated filters and/or automatic back-flushing medium filters are arranged on the first irrigation pipeline (1) and the third irrigation pipeline (3).
5. The automatic constant pressure method for the water and fertilizer irrigation system according to claim 1, wherein the method comprises the following steps: and the first irrigation pipeline (1) and the third irrigation pipeline (3) are provided with flow meters.
6. The automatic constant pressure method for the water and fertilizer irrigation system according to claim 1, wherein the method comprises the following steps: the switch connector FC is connected with a movable hose, a pesticide spraying gun and/or a fertilizer gun.
7. The automatic constant pressure method for the water and fertilizer irrigation system according to claim 1, wherein the method comprises the following steps: the system further comprises a weather station, a field wireless controller and a management system, wherein the weather station and the field wireless controller are connected with the management system through a wireless network.
8. The automatic constant pressure method for the water and fertilizer irrigation system according to claim 7, wherein the method comprises the following steps: the liquid supply pool is also provided with a controller, and the controller is connected with the management system through a wireless network.
9. The automatic constant pressure method for the water and fertilizer irrigation system according to claim 7, wherein the method comprises the following steps: the weather station is provided with a storage battery and a solar panel, and the storage battery is connected with the solar panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968514.0A CN115349342A (en) | 2020-10-22 | 2020-10-22 | Automatic constant pressure method for water and fertilizer irrigation system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139666.7A CN112262740A (en) | 2020-10-22 | 2020-10-22 | Automatic liquid manure irrigation system of constant voltage |
| CN202210968514.0A CN115349342A (en) | 2020-10-22 | 2020-10-22 | Automatic constant pressure method for water and fertilizer irrigation system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011139666.7A Division CN112262740A (en) | 2020-10-22 | 2020-10-22 | Automatic liquid manure irrigation system of constant voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115349342A true CN115349342A (en) | 2022-11-18 |
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ID=74341541
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011139666.7A Withdrawn CN112262740A (en) | 2020-10-22 | 2020-10-22 | Automatic liquid manure irrigation system of constant voltage |
| CN202210968514.0A Pending CN115349342A (en) | 2020-10-22 | 2020-10-22 | Automatic constant pressure method for water and fertilizer irrigation system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011139666.7A Withdrawn CN112262740A (en) | 2020-10-22 | 2020-10-22 | Automatic liquid manure irrigation system of constant voltage |
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| CN (2) | CN112262740A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197073A (en) * | 2021-06-04 | 2021-08-03 | 郭建 | Multifunctional intelligent irrigation system |
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2020
- 2020-10-22 CN CN202011139666.7A patent/CN112262740A/en not_active Withdrawn
- 2020-10-22 CN CN202210968514.0A patent/CN115349342A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN112262740A (en) | 2021-01-26 |
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