CN111149661B - Automatic drip irrigation system - Google Patents
Automatic drip irrigation system Download PDFInfo
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- CN111149661B CN111149661B CN202010088076.XA CN202010088076A CN111149661B CN 111149661 B CN111149661 B CN 111149661B CN 202010088076 A CN202010088076 A CN 202010088076A CN 111149661 B CN111149661 B CN 111149661B
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- pipe
- spray
- drip irrigation
- water
- spiral pipe
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- 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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- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Nozzles (AREA)
- Fertilizing (AREA)
Abstract
The invention provides an automatic drip irrigation system which comprises a water inlet spiral pipe, a liquid mixing pipe, a drip irrigation pipe, a backflow spiral pipe, a mother liquor tank, a mechanical proportional valve, a spray pipe and a spray head, wherein one end of the water inlet spiral pipe is a straight pipe and is connected to an external water source or a water pump, and the other end of the water inlet spiral pipe is a spiral pipe and is communicated to the side surface of one end of the liquid mixing pipe; one end of the drip irrigation pipe is communicated with the liquid mixing pipe, and the other end of the drip irrigation pipe is communicated with the reflux spiral pipe; one end of the backflow spiral pipe is a straight pipe and is communicated with the drip irrigation pipe, the other end of the backflow spiral pipe is a spiral pipe and is communicated with the liquid mixing pipe, the backflow spiral pipe and the water inlet spiral pipe are respectively communicated with two opposite side surfaces of the liquid mixing pipe, and nutrient solution mother liquid is added through the mother liquid tank and the mechanical proportional valve, so that simultaneous irrigation and fertilization are realized; the time for forming algae in the pipeline is prolonged by the circulating water, and the blockage speed of the dropper holes is reduced by the scouring of the circulating water.
Description
Technical Field
The invention belongs to the field of plant planting equipment, and particularly relates to an automatic drip irrigation system.
Background
Drip irrigation (drip irrigation) is the local irrigation of the roots of crops by delivering water through plastic pipes through orifices or drippers on capillaries of about 10mm in diameter.
It is the most effective water-saving irrigation mode in arid water-deficient areas at present, and the water utilization rate can reach 95%. Compared with spray irrigation, the drip irrigation has higher water-saving and yield-increasing effects, and can be combined with fertilization to improve the fertilizer efficiency by more than one time. The irrigation system is suitable for irrigation of fruit trees, vegetables, economic crops and greenhouses, and can also be used for irrigation of field crops in arid places with water shortage. The drip irrigation pipe has the defects that the dripper is easy to scale and block, so that strict filtration treatment is carried out on a water source, and meanwhile, nutrient solution cannot be automatically added, because the nutrient solution easily causes moss to be formed in the drip irrigation pipe.
Disclosure of Invention
Based on the problems in the prior art, the invention provides an automatic drip irrigation system, which comprises a water inlet spiral pipe, a liquid mixing pipe, a drip irrigation pipe, a backflow spiral pipe, a mother liquid tank, a mechanical quantitative valve, a spray pipe and a spray head, wherein one end of the water inlet spiral pipe is a straight pipe and is connected to an external water source or a water pump, and the other end of the water inlet spiral pipe is a spiral pipe and is communicated to the side surface of one end of the liquid mixing pipe; one end of the drip irrigation pipe is communicated with the liquid mixing pipe, and the other end of the drip irrigation pipe is communicated with the reflux spiral pipe; one end of the backflow spiral pipe is a straight pipe and is communicated with the drip irrigation pipe, the other end of the backflow spiral pipe is a spiral pipe and is communicated with the liquid mixing pipe, the backflow spiral pipe and the water inlet spiral pipe are respectively communicated with two opposite side surfaces of the liquid mixing pipe, and nutrient solution mother liquid is added through the mother liquid tank and the mechanical proportional valve, so that simultaneous irrigation and fertilization are realized; the time for forming algae in the pipeline is prolonged by the circulating water, and the blockage speed of the dropper holes is reduced by the scouring of the circulating water.
The invention achieves the above purpose through the following detailed technical scheme:
an automatic drip irrigation system comprises a water inlet spiral pipe, a liquid mixing pipe, a drip irrigation pipe, a backflow spiral pipe, a mother liquid tank, a mechanical proportional valve, a spray pipe and a spray head; one end of the water inlet spiral pipe is a straight pipe and is connected to an external water source or a water pump, and the other end of the water inlet spiral pipe is a spiral pipe and is communicated to the side surface of one end of the liquid mixing pipe; the drip irrigation pipes are provided with a plurality of drip irrigation pipe holes, each drip irrigation pipe is laid on the ground, the drip irrigation pipe holes are close to the connection part of the stem part of the plant and the ground, one end of each drip irrigation pipe is communicated with the same liquid mixing pipe, and the other end of each drip irrigation pipe is communicated with the same backflow spiral pipe; one end of the backflow spiral pipe is a straight pipe and is communicated with the drip irrigation pipe, the other end of the backflow spiral pipe is a spiral pipe and is communicated with the liquid mixing pipe, the backflow spiral pipe and the water inlet spiral pipe are respectively positioned on two opposite sides of the liquid mixing pipe, the spiral water inlet directions of the backflow spiral pipe and the water inlet spiral pipe are opposite, namely the spiral directions of water flows flowing into the liquid mixing pipe through the two spiral pipes are opposite, and a circulating pump used for keeping the water flowing is arranged on the backflow spiral pipe; the mother liquor tank is filled with nutrient solution mother liquor and is positioned at the top of the liquid mixing pipe, and the mother liquor tank is communicated with the liquid mixing pipe through a mechanical quantitative valve; the sum of the cross-sectional areas of the water inlet spiral pipe and the backflow spiral pipe is less than the area of the liquid mixing pipe.
Wherein, the spiral pipe of intaking and backward flow spiral pipe cross sectional area equal and radius length for mixing half to two-thirds of liquid pipe cross sectional area length, make the spiral pipe of intaking and backward flow spiral pipe cross sectional area sum be not more than the cross sectional area who mixes the liquid pipe, avoid rivers to form the resistance at the spiral pipe of intaking and backward flow spiral pipe, also guarantee the space that make full use of mixes the industry pipe simultaneously.
The spraying pipes comprise a main spraying pipe and spraying branch pipes, one end of the main spraying pipe is connected to an external water source or a water pump, the other end of the main spraying pipe is connected with a plurality of spraying branch pipes, the number of the spraying branch pipes is consistent with that of the drip irrigation pipes, one end of each spraying branch pipe is connected to the same main spraying pipe, and each spraying branch pipe is arranged on the top of the plant in parallel with the corresponding drip irrigation pipe; the spraying heads are consistent with the number of the plants and are arranged on the spraying branch pipes, each spraying head corresponds to one plant, although water resources can be saved through drip irrigation, the roots can only be irrigated through drip irrigation, part of the plants need to be drenched in a tidying mode, or proper drenching enables the plants to grow better, and the spraying pipes and the nozzles are added to supplement the deficiency of drip irrigation.
The spray head comprises a spray seat, a soft water guide layer and a spray cover, the spray seat is fixedly communicated with the spray branch pipe, the spray cover is connected to the spray seat through threads, a hollow space is formed between the spray seat and the spray cover, the spray cover is provided with an arc-shaped spray surface, and a plurality of layers of spray holes which are distributed in a concentric circle are uniformly arranged on the spray surface; the soft water guide layer is of a cylindrical structure, the soft water guide layer is provided with a plurality of water flow channels extending along the length direction of the soft water guide layer, and the water flow channels are distributed in concentric circles and are mutually staggered with the spray holes on the spray surface; the inside space and the one end protrusion that the seat was sprayed in soft water guide layer are filled with sprays the seat and outside with spray the lid contact, can adjust the distance that sprays the lid and spray the seat through rotatory spraying the lid, adjust the size of inside space promptly, because it has curved face that sprays, when spraying the lid to spraying the seat and being close to, the edge that sprays the lid at first receives the oppression of soft water guide layer, the oppression scope extends to the middle part gradually, the oppression on soft water guide layer is equivalent to the stopper that sprays the hole that the lid of a shutoff, spray the scope increase, be equivalent to constantly reducing the water spray scope of shower head, make the shower head can adjust the spray scope according to the size of plant.
The soft water guide layer is made of elastic hydrophobic materials, the hydrophobic materials can prevent moisture from being absorbed by the soft water guide layer to affect the spraying effect, and meanwhile, long-term wetting in the spray head is avoided, and bacteria breeding is avoided.
The automatic drip irrigation system further comprises a humidity sensor and a spraying electric valve, wherein the humidity sensor is uniformly arranged on the spraying branch pipe, detects the humidity of the surrounding space and feeds the humidity condition back to the spraying electric valve; the electric valve that sprays install on spraying the house steward, receive humidity transducer's the humidity condition, open or close automatically according to the humidity condition and spray, humidity transducer and the electric valve that sprays need cooperate other intelligent planting systems to use, add the master control computer, through master control computer simultaneous control and coordination, perhaps add control system alone for drip irrigation system.
The drip irrigation system is adopted for drip irrigation, the water inlet spiral pipe, the liquid mixing pipe, the drip irrigation pipe and the backflow spiral pipe form a circulating water path, nutrient solution mother liquor is added into the water path, water in the water path forms nutrient solution, the time for forming algae plants in the pipeline is prolonged through the circulating water, and meanwhile, the blockage speed of a dropper hole is reduced by means of flushing of the circulating water.
The automatic fertilizer water drip irrigation method replaces mechanical stirring by converging and colliding spiral water flows in different rotating directions and flow rates, reduces mechanical parts, reduces the material cost of production, and reduces the damage probability and the maintenance cost.
The invention has the following beneficial effects:
1. the drip irrigation pipe can realize irrigation and fertilizer water application at the same time, and has certain self anti-blocking capacity due to the adoption of a circulating water activating mode, and meanwhile, the long-time standing of the fertilizer water is avoided, so that a large amount of algae can grow.
2. The setting of the spiral pipe of intaking and backward flow spiral pipe makes the water at both ends have certain direction of rotation and speed, because direction of rotation and rotation rate inconsistent between them, can bump when two streams of rivers converge to produce the effect of stirring, need not to add mechanical stirring equipment in addition.
Drawings
Fig. 1 is a schematic structural view of an automated drip irrigation system, with the spray header and the spray pipe hidden.
Fig. 2 is a schematic structural view of an automated drip irrigation system with extended straight pipe ends of the return coil according to actual needs, with the spray header and the spray pipe hidden.
FIG. 3 is a schematic diagram of the structure of the water inlet coil and the return coil.
FIG. 4 is an enlarged schematic view of the mother liquid tank and the mechanical proportional valve.
Fig. 5, an exploded view of the showerhead.
Fig. 6 is a schematic view of the spray header after the soft water guide layer is installed, and the spray holes are hidden.
FIG. 7 is a schematic diagram of an embodiment of a sprinkler system, with the showerhead and the shower concealed.
Detailed Description
The invention is further described with reference to specific embodiments and the accompanying drawings.
An automated drip irrigation system as shown in fig. 1-7, the drip irrigation system of this embodiment is installed in a square planting area 8, the plants are arranged in a rectangle, the drip irrigation system comprises a water inlet spiral pipe 1, a liquid mixing pipe 2, a drip irrigation pipe 3, a reflux spiral pipe 4, a mother liquid tank 5 and a mechanical quantitative valve 6; one end of the water inlet spiral pipe 1 is a straight pipe 11 and is connected to an external water source or a water pump, and the other end of the water inlet spiral pipe 1 is a spiral pipe 12 and is communicated with the side surface of one end of the liquid mixing pipe 2; the drip irrigation pipes 3 are provided with a plurality of drip irrigation pipe holes, each drip irrigation pipe 3 is laid on the ground, the drip irrigation pipe holes are close to the connection part of the stem part and the ground of the plant, one end of each drip irrigation pipe 3 is communicated with the same liquid mixing pipe 2, and the other end of each drip irrigation pipe 3 is communicated with the same backflow spiral pipe 4; one end of the backflow spiral pipe 4 is a straight pipe 11 and is communicated with the drip irrigation pipe 3, the other end of the backflow spiral pipe 4 is a spiral pipe 12 and is communicated with the liquid mixing pipe 2, the backflow spiral pipe 4 and the water inlet spiral pipe 1 are respectively communicated with two opposite side surfaces of the liquid mixing pipe 2, the spiral water inlet directions of the backflow spiral pipe 4 and the water inlet spiral pipe 1 are opposite, and a circulating pump 41 used for keeping water flowing is arranged on the backflow spiral pipe 4; the mother liquor tank 5 is filled with nutrient solution mother liquor and is positioned at the top of the liquid mixing pipe 2, the mother liquor tank 5 is communicated with the liquid mixing pipe 2 through a mechanical proportional valve 6, in the embodiment, the top of the mother liquor tank 5 is provided with an opening and a top cover, the nutrient solution mother liquor is added into the mother liquor tank 5 from the top, and the lower part of the mother liquor tank 5 is provided with four supporting legs 51; the cross-sectional areas of the water inlet spiral pipe 1 and the backflow spiral pipe 4 are equal, and the radius length is one half to two thirds of the radius length of the cross section of the liquid mixing pipe 2.
As a preferred embodiment, the spray pipes comprise a main spray pipe and branch spray pipes, one end of the main spray pipe is connected to an external water source or a water pump, the other end of the main spray pipe is connected with a plurality of branch spray pipes, the number of the branch spray pipes is consistent with that of the drip irrigation pipes 3, one end of each branch spray pipe is connected to the same main spray pipe, and each branch spray pipe is arranged on the top of the plant in parallel with the corresponding drip irrigation pipe 3; the spraying heads are consistent with the plants in number and are arranged on the spraying branch pipes, and each spraying head corresponds to one plant; the spray header comprises a spray seat 71, a soft water guide layer 72 and a spray cover 73, the spray seat 71 is fixedly communicated with a spray branch pipe, the spray cover 73 is connected to the spray seat 71 through threads, a hollow space is formed between the spray seat 71 and the spray cover 73, the spray cover 73 is provided with an arc-shaped spray surface 731, and a plurality of layers of spray holes which are distributed in a concentric circle are uniformly arranged on the spray surface 731; the flexible water guide layer 72 is of a cylindrical structure, the flexible water guide layer 72 is provided with a plurality of water flow channels 721 extending along the length direction of the flexible water guide layer 72, and the water flow channels 721 are distributed in concentric circles and are staggered with the spray holes on the spray surface 731; the soft water guiding layer 72 fills the inner space of the shower base 71 and has one end protruding out of the shower base 71 to contact with the shower cover 73.
In a preferred embodiment, the flexible water guiding layer 72 is made of an elastic hydrophobic material.
In the practical application of the embodiment, the automatic drip irrigation system further comprises a humidity sensor and a spraying electric valve, wherein a single chip microcomputer controller is arranged in the spraying electric valve, the humidity sensor is uniformly arranged on the spraying branch pipe, and the humidity sensor is used for detecting the humidity of the surrounding space and feeding back the humidity condition to the spraying electric valve; the spraying electric valve is installed on the spraying main pipe, receives the humidity condition of the humidity sensor, and automatically opens or closes the spraying according to the humidity condition.
The drip irrigation system adopts the following drip irrigation method, the water inlet spiral pipe 1, the liquid mixing pipe 2, the drip irrigation pipe 3 and the backflow spiral pipe 4 form a circulating water path, nutrient solution mother liquor is added into the water path, water in the water path forms nutrient solution, the time for forming algae in the pipeline is prolonged through the circulating water, the blockage speed of a dropper hole is reduced by flushing of the circulating water, and mechanical stirring is replaced by converging and colliding spiral water flows with different rotation directions and flow rates.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. An automatic drip irrigation system is characterized by comprising a water inlet spiral pipe (1), a liquid mixing pipe (2), a drip irrigation pipe (3), a backflow spiral pipe (4), a mother liquor tank (5), a mechanical quantitative valve (6), a spray pipe and a spray head; one end of the water inlet spiral pipe (1) is a straight pipe (11) and is connected to an external water source or a water pump, and the other end of the water inlet spiral pipe (1) is a spiral pipe (12) and is communicated with the side surface of one end of the liquid mixing pipe (2); the drip irrigation pipes (3) are provided with a plurality of drip pipe holes, each drip irrigation pipe (3) is laid on the ground, the drip pipe holes are close to the connection part of the stem part and the ground of a plant, one end of each drip irrigation pipe (3) is communicated with the same liquid mixing pipe (2), and the other end of each drip irrigation pipe (3) is communicated with the same backflow spiral pipe (4); one end of the backflow spiral pipe (4) is a straight pipe (11) and is communicated with the drip irrigation pipe (3), the other end of the backflow spiral pipe is a spiral pipe (12) and is communicated with the liquid mixing pipe (2), the backflow spiral pipe (4) and the water inlet spiral pipe (1) are respectively communicated with two opposite side surfaces of the liquid mixing pipe (2), the spiral water inlet directions of the backflow spiral pipe (4) and the water inlet spiral pipe (1) are opposite, and a circulating pump (41) used for keeping water flowing is arranged on the backflow spiral pipe (4); the mother liquor tank (5) is filled with nutrient solution mother liquor and is positioned at the top of the liquid mixing pipe (2), and the mother liquor tank (5) is communicated with the liquid mixing pipe (2) through a mechanical quantitative valve (6); the sum of the cross-sectional areas of the water inlet spiral pipe (1) and the backflow spiral pipe (4) is less than the area of the liquid mixing pipe (2), the spray header comprises a spray seat (71), a soft water guide layer (72) and a spray cover (73), the spray seat (71) is fixedly communicated with the spray branch pipe, the spray cover (73) is connected to the spray seat (71) through threads, a hollow space is formed between the spray seat (71) and the spray cover (73), the spray cover (73) is provided with an arc-shaped spray surface (731), and a plurality of layers of spray holes which are distributed in a concentric circle are uniformly arranged on the spray surface (731); the soft water guide layer (72) is of a cylindrical structure, the soft water guide layer (72) is provided with a plurality of water flow channels (721) extending along the length direction of the soft water guide layer (72), and the water flow channels (721) are distributed in a concentric circle and are staggered with the spray holes on the spray surface (731); the soft water guide layer (72) is filled in the inner space of the spray seat (71), one end of the soft water guide layer protrudes out of the spray seat (71) to be contacted with the spray cover (73), and the soft water guide layer (72) is made of elastic hydrophobic materials.
2. The automated drip irrigation system according to claim 1, wherein the cross-sectional areas of the water inlet coil (1) and the return coil (4) are equal and the radius length is one half to two thirds of the radius length of the cross-sectional area of the liquid mixing pipe (2).
3. The automatic drip irrigation system according to any one of claims 1 and 2, characterized in that the spray pipes comprise a main spray pipe and branch spray pipes, one end of the main spray pipe is connected to an external water source or a water pump, the other end of the main spray pipe is connected to a plurality of branch spray pipes, the number of the branch spray pipes is the same as that of the drip irrigation pipes (3), one end of each branch spray pipe is connected to the same main spray pipe, and each branch spray pipe is arranged on the top of the plant in parallel with the corresponding drip irrigation pipe (3); the spraying heads are consistent with the plants in number and are arranged on the spraying branch pipes, and each spraying head corresponds to one plant.
4. The automated drip irrigation system according to claim 1, further comprising a humidity sensor and a spray electric valve, wherein the humidity sensor is uniformly installed on the spray branch pipe, detects the humidity of the surrounding space and feeds back the humidity to the spray electric valve; the spraying electric valve is installed on the spraying main pipe, receives the humidity condition of the humidity sensor, and automatically opens or closes the spraying according to the humidity condition.
5. An automatic drip irrigation method for chemical fertilizers, which is characterized in that a drip irrigation system according to any one of claims 1 to 4 is adopted for drip irrigation, a circulating water path is formed by a water inlet spiral pipe (1), a liquid mixing pipe (2), a drip irrigation pipe (3) and a backflow spiral pipe (4), a nutrient solution mother solution is added into the water path, so that the water in the water path forms nutrient solution, the time for forming algae in a pipeline is prolonged by the circulating water, and the blockage speed of a dropper hole is reduced by the flushing of the circulating water.
6. The method of claim 5 where the mechanical agitation is replaced by convergent impingement of spiral water streams of different rotational directions and flow rates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088076.XA CN111149661B (en) | 2020-02-12 | 2020-02-12 | Automatic drip irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088076.XA CN111149661B (en) | 2020-02-12 | 2020-02-12 | Automatic drip irrigation system |
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| CN111149661A CN111149661A (en) | 2020-05-15 |
| CN111149661B true CN111149661B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010088076.XA Active CN111149661B (en) | 2020-02-12 | 2020-02-12 | Automatic drip irrigation system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113207399B (en) * | 2021-05-13 | 2023-03-14 | 漳州绿州农业发展股份有限公司 | Crops are with novel liquid manure integration watering device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014226060A (en) * | 2013-05-20 | 2014-12-08 | シーアイ化成株式会社 | Sprinkling tube wound body |
| CN205164993U (en) * | 2015-12-01 | 2016-04-20 | 山东钢铁股份有限公司 | Hollow atomizer with adjustable |
| CN205584958U (en) * | 2016-05-06 | 2016-09-21 | 云南海冠农业科技集团有限公司 | Vegetables watering device |
| CN205727391U (en) * | 2016-04-05 | 2016-11-30 | 文华学院 | A kind of Water saving type watering arrangement |
| CN107046909A (en) * | 2017-06-20 | 2017-08-18 | 徐州佳昶农业科技股份有限公司 | A kind of multifunctional quantitatively fertilising spray irrigation system |
-
2020
- 2020-02-12 CN CN202010088076.XA patent/CN111149661B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014226060A (en) * | 2013-05-20 | 2014-12-08 | シーアイ化成株式会社 | Sprinkling tube wound body |
| CN205164993U (en) * | 2015-12-01 | 2016-04-20 | 山东钢铁股份有限公司 | Hollow atomizer with adjustable |
| CN205727391U (en) * | 2016-04-05 | 2016-11-30 | 文华学院 | A kind of Water saving type watering arrangement |
| CN205584958U (en) * | 2016-05-06 | 2016-09-21 | 云南海冠农业科技集团有限公司 | Vegetables watering device |
| CN107046909A (en) * | 2017-06-20 | 2017-08-18 | 徐州佳昶农业科技股份有限公司 | A kind of multifunctional quantitatively fertilising spray irrigation system |
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| CN111149661A (en) | 2020-05-15 |
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Inventor after: Lu Ying Inventor after: Yu Huan Inventor after: Zhang Xuan Inventor after: Chen Jianbo Inventor after: Tao Hong Inventor before: Yu Huan Inventor before: Zhang Xuan Inventor before: Chen Jianbo Inventor before: Tao Hong |
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Effective date of registration: 20220708 Address after: 528000 205-2, second floor, Huaya Plaza, No. 38, Shuitou section, Guihe Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN GUANGKE INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: Room 217-1, 218, 2nd floor, Huaya Plaza, No.38, Shuitou section, Guihe Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee before: Foshan DingKe Technology Development Co.,Ltd. |
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