CN115500251B - Water-saving irrigation device for fruit trees - Google Patents
Water-saving irrigation device for fruit trees Download PDFInfo
- Publication number
- CN115500251B CN115500251B CN202211243955.0A CN202211243955A CN115500251B CN 115500251 B CN115500251 B CN 115500251B CN 202211243955 A CN202211243955 A CN 202211243955A CN 115500251 B CN115500251 B CN 115500251B
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- Prior art keywords
- water
- water delivery
- irrigation
- pipe
- mounting
- Prior art date
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- 230000002262 irrigation Effects 0.000 title claims abstract description 68
- 238000003973 irrigation Methods 0.000 title claims abstract description 68
- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 230000002265 prevention Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- A01G29/00—Root feeders; Injecting fertilisers into the roots
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The utility model discloses a water-saving irrigation device for fruit trees, which comprises: the water delivery main pipe is pre-buried in the ground; a plurality of water delivery pipelines are arranged on the side wall of the water delivery main pipe, and the water delivery pipelines are obliquely downwards arranged; each water delivery pipeline is connected with a irrigation component; a water collecting component is arranged between the adjacent water delivery pipelines; the water collecting component is also communicated with the water delivery main pipe. According to the tree root system irrigation system, accurate water quantity throwing required by the tree root system is realized through the root irrigation assembly, the irrigation quantity is adjusted in a self-adaptive mode, and water resource waste is effectively reduced; the water collection assembly is used for throwing the tree root system, so that water saving utilization in the environment is further realized.
Description
Technical Field
The utility model relates to the technical field of fruit tree irrigation, in particular to a water-saving fruit tree irrigation device.
Background
At present, the directional irrigation of the root of the fruit tree is often realized by an underground drip irrigation mode. The average water consumption of drip irrigation is 12% of that of the traditional irrigation mode and 50% of that of the sprinkling irrigation mode. The principle of drip irrigation is that water is supplied through a drip irrigation tape (or a drip irrigation pipe) placed at the root of the crop, the drip irrigation tape is provided with a plurality of very small water outlets, and the water overflowed from the water outlets slowly wets the rhizosphere soil of the crop. Because the wetting range is controllable, drip irrigation is the most effective water-saving irrigation mode at present, besides saving water, the fertilizer loss can be reduced, the crop growth is promoted, and the yield and quality of the crops are improved.
In the prior art, the irrigation water yield of each drip irrigation emitter is set in advance, so that the whole underground drip irrigation device can only perform quantitative irrigation, but cannot be effectively adapted and regulated according to the water content of soil at the root of a tree, and certain water resource waste is caused. In addition, the existing drip irrigation emitter cannot be effectively paved and installed in a large area in the tiling process in practice; and the water is easy to accumulate due to the angle deviation during installation, and the laid drip irrigation emitter is unchanged to be replaced, so that water resource waste is caused.
Therefore, there is a great need to design a water-saving irrigation device for fruit trees.
Disclosure of Invention
The utility model aims to provide a water-saving irrigation device for fruit trees, which solves the problems in the prior art.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a water-saving irrigation device for fruit trees, which comprises: the water delivery main pipe is pre-buried in the ground; a plurality of water delivery pipelines are arranged on the side wall of the water delivery main pipe, and the water delivery pipelines are obliquely downwards arranged; each water delivery pipeline is connected with a irrigation component;
a water collecting component is arranged between the adjacent water delivery pipelines; the water collecting component is also communicated with the water delivery main pipe.
The root irrigation assembly comprises a mounting rod; a plurality of mounting grooves with different volumes are formed in the mounting rod, and wiring holes communicated with the adjacent mounting grooves are formed in the mounting rod; the sensor, the power supply, the control main board and the electric motor are sequentially arranged in the mounting groove; the sensor and the electric device extend out of the end surfaces of the two sides of the mounting rod respectively; the power supply is electrically connected with the sensor, the control main board and the electric motor; the control main board is electrically connected with the sensor and the electric motor.
The sensor is a humidity sensor.
The electric device comprises an end cover, an electromagnetic cover, a coil, an iron column, a connecting column, a spring, a mounting disc and a plugging head; the end cover is fixedly connected with the mounting rod; the electromagnetic cover is fixedly arranged in the mounting groove; the coil is wound in the electromagnetic cover; the iron column penetrates through the center of the coil; the mounting plate is fixedly connected with the plugging head through a connecting column; the mounting plate is elastically connected with the iron column through a spring;
the area of the end of the plugging head is the same as the area of the end opening of the water conveying pipeline; a communication hole is formed in the center of the end cover; the inner area of the communication hole is the same as the sectional area of the plugging head.
And the end cover and the contact end surface of the mounting plate are also provided with rubber pads.
A plurality of support columns are circumferentially arranged at one end of the mounting rod; one end of the support column is inserted into the end face of the water conveying pipeline; a runner gap is formed between the mounting rod and the water conveying pipeline; a root irrigation plate is fixedly arranged adjacent to the support column support; each root irrigation plate is provided with a plurality of irrigation holes; and a permeable membrane is stuck to the inner side of each root irrigation plate.
The water collecting assembly comprises two communicating pipes; the two communicating pipes are respectively arranged at two sides of the water delivery main pipe; the bottom of the communicating pipe is inserted into one side of the main water delivery pipe and is communicated with the main water delivery pipe; the top of the communicating pipe extends out of the ground and is fixedly provided with a water collecting disc; a blocking net is arranged at the pipe orifice at the top of the communicating pipe;
the water collecting disc comprises a central part and an extension part; the center part is arranged at the connecting line of the two communicating pipes; the extension parts are arranged at one side of the two communicating pipes away from the central part; the central part and the extension part are fixedly connected with the two communicating pipes through the concave parts.
The central part and the extension part are arranged downwards in a slanting way towards the communicating pipe through the concave part.
And a cushion block is fixedly arranged at the bottom of the communicating pipe.
The inner wall of the communicating pipe is provided with a backflow prevention groove group; the backflow prevention groove groups are arranged in the communicating pipe at equal intervals; a plurality of backflow prevention grooves are arranged in the backflow prevention groove group in an up-down crossing manner, and the backflow prevention grooves are of hollow water drop-shaped structures; a drop-shaped blocking piece is formed at the inner center of each anti-backflow groove; the water drop-shaped blocking piece is arranged towards the inner flow passage of the communicating pipe.
The utility model discloses the following technical effects: according to the tree root system irrigation system, accurate water quantity throwing required by the tree root system is realized through the root irrigation assembly, the irrigation quantity is adjusted in a self-adaptive mode, and water resource waste is effectively reduced; aiming at the situation that water in the air of the garden is utilized to condense and nutrient solution needs to be added, the water is put into the root system of the tree through the water collecting assembly, and the water saving utilization in the environment is further realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure;
FIG. 2 is a schematic view of a root irrigation assembly;
FIG. 3 is an enlarged view of the structure of FIG. 2A;
FIG. 4 is a schematic cross-sectional view of a support column;
FIG. 5 is a schematic view of a water collection assembly;
1, a water delivery main pipe; 2. a water pipe; 3. a root irrigation assembly; 4. a control main board; 5. a power supply; 6. root irrigation plate; 7. a communicating pipe; 8. a water collecting tray; 9. an end cap; 31. a mounting rod; 32. a wiring hole; 33. a support column; 61. irrigation holes; 62. a permeable membrane; 71. a barrier web; 72. a backflow prevention groove group; 73. a drop-shaped blocking piece; 74. a cushion block; 91. an electromagnetic shield; 92. a coil; 93. an iron column; 94. a connecting column; 95. a spring; 96. a mounting plate; 97. a blocking head; 98. rubber cushion.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The utility model provides a water-saving irrigation device for fruit trees, which comprises: the water delivery main pipe 1 is pre-buried in the ground; a plurality of water delivery pipelines 2 are arranged on the side wall of the water delivery main pipe 1, and the water delivery pipelines 2 are obliquely downwards arranged; each water delivery pipeline 2 is connected with a irrigation component 3;
and a water collecting component is arranged between the adjacent water delivery pipelines 2; the water collecting component is also communicated with the water delivery main pipe 1.
In one embodiment of the utility model, a strip-shaped ditch with the depth of 0.5m is pre-dug downwards beside a fruit tree in a fruit tree park; the water delivery main pipe 1 is pre-buried into the strip-shaped ditch.
Furthermore, the water delivery pipe 2 is arranged on the water delivery main pipe 1 in a plugging or threaded installation mode; because the movable side of the water pipe 2 is provided with the inserting holes which are inserted with the supporting columns 33, the alignment and the installation of the root irrigation component 3 are realized; accurate positioning is realized through the plug-in matching of the hole columns, and the plugging head 97 is arranged in the runner gap; the sealing fit of the blocking head 97 and the inner flow passage of the water conveying pipeline 2 can be tested during installation.
The root irrigation assembly 3 comprises a mounting bar 31; a plurality of mounting grooves with different volumes and wiring holes 32 communicated with the adjacent mounting grooves are formed in the mounting rod 31; the sensor, the power supply 5, the control main board 4 and the electric motor are sequentially arranged in the mounting groove; the sensor and the motor extend out of the two end surfaces of the mounting rod 31 respectively; the power supply 5 is electrically connected with the sensor, the control main board 4 and the electric motor; the control main board 4 is electrically connected with the sensor and the electric motor.
In one embodiment of the utility model, the root irrigation component 3 takes the independently arranged mounting rod 31 as a main body, and controls the expansion and contraction of the electric motor through the control main board 4 in the root irrigation component to realize the on-off of the flow passage in the water pipe 2.
The sensor is a humidity sensor.
The electric device comprises an end cover 9, an electromagnetic cover 91, a coil 92, an iron column 93, a connecting column 94, a spring 95, a mounting disc 96 and a plugging head 97; the end cover 9 is fixedly connected with the mounting rod 31; an electromagnetic cover 91 is fixedly arranged in the mounting groove; a coil 92 is wound in the electromagnetic cover 91; an iron column 93 is arranged in the center of the coil 92 in a penetrating manner; the mounting plate 96 is fixedly connected with the blocking head 97 through the connecting column 94; the mounting plate 96 is elastically connected with the iron column 93 through a spring 95;
the end area of the blocking head 97 is the same as the inner area of the port of the water conveying pipeline 2; a communication hole is formed in the center of the end cover 9; the inner area of the communication hole is the same as the sectional area of the plugging head 97.
The end face of the end cap 9, which contacts the mounting plate 96, is also provided with a rubber pad 98.
In one embodiment of the utility model, the humidity sensor detects the moisture content at the root system of the tree; when the moisture content in the soil is too low, the humidity sensor can give feedback to the control main board 4, and then the control main board 4 controls the blocking head 97 to realize on-off of the flow passage in the water conveying pipeline 2.
In one embodiment of the present utility model, the control motherboard 4 controls whether electromagnetic induction occurs between the coil 92 and the iron post 93 through on-off of current; when the control circuit of the control main board 15 is a passage, the coil 92 and the iron post 93 generate electromagnetic induction, and the iron post 93 is adsorbed and moved into the coil 92; the mounting plate 96 moves along with the spring 95 towards the coil 92, and the blocking head 97 is retracted to cancel the blocking.
In contrast, when the control circuit of the control main board 15 is open, the blocking head 97 blocks the flow passage.
One end of the mounting rod 31 is also provided with a plurality of support columns 33 in the circumferential direction; one end of the support column 33 is inserted into the end face of the water conveying pipeline 2; the mounting rod 31 and the water delivery pipeline 2 form a runner gap; a root irrigation plate 6 is fixedly arranged on the support of the adjacent support column 33; each irrigation plate 6 is provided with a plurality of irrigation holes 61; a permeable membrane 62 is attached to the inside of each irrigation plate 6.
Further, the support column 33 is used as a connecting support in the present application; a drip irrigation zone is formed in a runner gap between the water delivery pipeline 2 and the mounting rod 31; when the blocking head 97 does not block, the water flow in the water pipe 2 permeates into the drip irrigation area and permeates into the soil at the root system of the tree through the irrigation holes 61.
Further, the permeable membrane 62 is used to prevent impurities in the soil from entering the drip irrigation zone to block the irrigation holes 61, thereby polluting the drip irrigation zone.
The water collecting component comprises two communicating pipes 7; the two communicating pipes 7 are respectively arranged at two sides of the water delivery main pipe 1; the bottom of the communicating pipe 7 is inserted into one side of the main water delivery pipe 1 and is communicated with the main water delivery pipe 1; the top of the communicating pipe 7 extends out of the ground and is fixedly provided with a water collecting disc 8; a blocking net 71 is arranged at the pipe orifice at the top of the communicating pipe 7;
the water collecting tray 8 includes a central portion and an outer extension portion; the center part is arranged at the connecting line of the two communicating pipes 7; the extension part is arranged at one side of the two communicating pipes 7 far away from the central part; the central part and the extension part are fixedly connected with the two communicating pipes 7 through strip grooves.
Both the central portion and the outer extension portion are provided obliquely downward toward the communication pipe 7 through the concave portion.
The bottom of the communicating pipe 7 is also fixedly provided with a cushion block 74.
The inner wall of the communicating pipe 7 is provided with a backflow prevention groove group 72; the backflow prevention groove groups 72 are provided with a plurality of groups at equal intervals in the communicating pipe 7; a plurality of anti-backflow grooves are arranged in the anti-backflow groove group 72 in an up-down crossing way, and the anti-backflow grooves are of hollow water drop-shaped structures; a drop-shaped blocking block 73 is formed at the inner center of each anti-backflow groove; the drip-shaped stopper 73 is provided toward the inner flow path of the communicating pipe 7.
In one embodiment of the utility model, the water collection assembly can be used for guiding dew condensed on a daily park and nutrient to be temporarily added to a root system into the water delivery main 1 through the communicating pipe 7. The central part and the extension part of the water collecting disc 8 are downwards inclined towards the communicating pipe 7 through the concave part, so that water source can naturally flow into the communicating pipe 7 along the strip-shaped groove.
Further, in order to prevent the backflow of water injected into the main pipe 1, a backflow prevention groove set 72 is further formed; the water flow is unidirectional by the drop-shaped blocking piece 73.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (5)
1. A water-saving fruit tree irrigation device, comprising: the water delivery main pipe (1), wherein the water delivery main pipe (1) is pre-buried in the ground; a plurality of water delivery pipelines (2) are arranged on the side wall of the main water delivery pipe (1), and the water delivery pipelines (2) are obliquely downwards arranged; each water delivery pipeline (2) is connected with a irrigation component (3);
a water collecting component is arranged between the adjacent water delivery pipelines (2); the water collecting component is also communicated with the water delivery main pipe (1); the root irrigation assembly (3) comprises a mounting rod (31); a plurality of mounting grooves with different volumes are formed in the mounting rod (31), and wiring holes (32) communicated with the adjacent mounting grooves are formed in the mounting rod; the sensor, the power supply (5), the control main board (4) and the electric motor are sequentially arranged in the mounting groove; the sensor and the electric device extend out of the end surfaces of the two sides of the mounting rod (31) respectively; the power supply (5) is electrically connected with the sensor, and the control main board (4) and the electric motor; the control main board (4) is electrically connected with the sensor and the electric motor; the sensor is a humidity sensor; the electric device comprises an end cover (9), an electromagnetic cover (91), a coil (92), an iron column (93), a connecting column (94), a spring (95), a mounting disc (96) and a plugging head (97); the end cover (9) is fixedly connected with the mounting rod (31); the electromagnetic cover (91) is fixedly arranged in the mounting groove; the coil (92) is wound in the electromagnetic cover (91); the center of the coil (92) is provided with the iron column (93) in a penetrating way; the mounting plate (96) is fixedly connected with the plugging head (97) through a connecting column (94); the mounting plate (96) is elastically connected with the iron column (93) through a spring (95);
the end area of the plugging head (97) is the same as the inner area of the port of the water conveying pipeline (2); a communication hole is formed in the center of the end cover (9); the inner area of the communication hole is the same as the cross section area of the plugging head (97); the water collecting assembly comprises two communicating pipes (7); the two communicating pipes (7) are respectively arranged at two sides of the main water delivery pipe (1); the bottom of the communicating pipe (7) is inserted into one side of the main water delivery pipe (1) and is communicated with the main water delivery pipe (1); the top of the communicating pipe (7) extends out of the ground and is fixedly provided with a water collecting disc (8); a blocking net (71) is arranged at the pipe orifice at the top of the communicating pipe (7);
the water collecting disc (8) comprises a central part and an outer extending part; the center part is arranged at the connecting line of the two communicating pipes (7); the extension parts are arranged at one side of the two communicating pipes (7) far away from the central part; the central part and the extension part are fixedly connected with the two communicating pipes (7) through the concave parts; the inner wall of the communicating pipe (7) is provided with a backflow prevention groove group (72); the backflow prevention groove groups (72) are arranged in the communicating pipe (7) at equal intervals; a plurality of anti-backflow grooves are arranged in the anti-backflow groove group (72) in an up-down crossing manner, and the anti-backflow grooves are of hollow water drop-shaped structures; a drop-shaped blocking block (73) is formed at the inner center of each anti-backflow groove; the water drop-shaped blocking piece (73) is arranged towards the inner flow path of the communicating pipe (7).
2. A water-saving fruit tree irrigation device according to claim 1, wherein: the end cover (9) and the contact end surface of the mounting plate (96) are also provided with rubber pads (98).
3. A water-saving fruit tree irrigation device according to claim 1, wherein: one end of the mounting rod (31) is also circumferentially provided with a plurality of support columns (33); one end of the supporting column (33) is inserted into the end face of the water conveying pipeline (2); a runner gap is formed between the mounting rod (31) and the water conveying pipeline (2); a root irrigation plate (6) is fixedly arranged adjacent to the support of the support column (33); each root irrigation plate (6) is provided with a plurality of irrigation holes (61); and a permeable membrane (62) is stuck to the inner side of each root irrigation plate (6).
4. A water-saving fruit tree irrigation device according to claim 1, wherein: the central part and the extension part are arranged downwards in an inclined way towards the communicating pipe (7) through the concave part.
5. A water-saving fruit tree irrigation device according to claim 1, wherein: and a cushion block (74) is fixedly arranged at the bottom of the communicating pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211243955.0A CN115500251B (en) | 2022-10-11 | 2022-10-11 | Water-saving irrigation device for fruit trees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211243955.0A CN115500251B (en) | 2022-10-11 | 2022-10-11 | Water-saving irrigation device for fruit trees |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115500251A CN115500251A (en) | 2022-12-23 |
| CN115500251B true CN115500251B (en) | 2024-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211243955.0A Active CN115500251B (en) | 2022-10-11 | 2022-10-11 | Water-saving irrigation device for fruit trees |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115500251B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116508638A (en) * | 2023-06-16 | 2023-08-01 | 云南省农业科学院茶叶研究所 | Intelligent tea garden breeding auxiliary device |
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| WO2007022724A1 (en) * | 2005-08-25 | 2007-03-01 | Qingguo Ma | Equipment of underground drip irrigation and the method of dripping irrigation |
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| CN202665107U (en) * | 2012-07-09 | 2013-01-16 | 陈科 | Backflow prevention straw |
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| CN206434152U (en) * | 2016-11-08 | 2017-08-25 | 刘锦 | A kind of suction pipe of anti-backflow |
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| CN214008081U (en) * | 2020-10-16 | 2021-08-20 | 江苏东皋液压成套设备有限公司 | High leakproofness combustible gas solenoid valve |
| WO2022149006A1 (en) * | 2021-01-05 | 2022-07-14 | Nouri Fariborz | Subsurface irrigation nozzle with adjustable length |
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2022
- 2022-10-11 CN CN202211243955.0A patent/CN115500251B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2446769Y (en) * | 2000-10-16 | 2001-09-12 | 赵必庆 | Infiltrating irrigation system |
| CN1404717A (en) * | 2002-11-11 | 2003-03-26 | 刘明池 | Equipping-type precision seep-irrigation apparatus and connector used therein |
| RU2004136474A (en) * | 2004-12-14 | 2006-05-20 | Петр Тихонович Харитонов (RU) | ELECTROMAGNETIC VALVE VALVE |
| WO2007022724A1 (en) * | 2005-08-25 | 2007-03-01 | Qingguo Ma | Equipment of underground drip irrigation and the method of dripping irrigation |
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| CN202665107U (en) * | 2012-07-09 | 2013-01-16 | 陈科 | Backflow prevention straw |
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| CN106258835A (en) * | 2016-10-11 | 2017-01-04 | 钟山佳园生态农业有限公司 | A kind of trees environment-protective circulating drip irrigation appliance |
| CN107975410A (en) * | 2016-10-21 | 2018-05-01 | 天津迎新船舶机械有限公司 | Reverse-filling exhaust pipe |
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| WO2022149006A1 (en) * | 2021-01-05 | 2022-07-14 | Nouri Fariborz | Subsurface irrigation nozzle with adjustable length |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115500251A (en) | 2022-12-23 |
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