KR20170027605A - Water suppling apparatus - Google Patents

Water suppling apparatus Download PDF

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Publication number
KR20170027605A
KR20170027605A KR1020150124449A KR20150124449A KR20170027605A KR 20170027605 A KR20170027605 A KR 20170027605A KR 1020150124449 A KR1020150124449 A KR 1020150124449A KR 20150124449 A KR20150124449 A KR 20150124449A KR 20170027605 A KR20170027605 A KR 20170027605A
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KR
South Korea
Prior art keywords
water
coupled
tube
water supply
pipe
Prior art date
Application number
KR1020150124449A
Other languages
Korean (ko)
Inventor
김영창
김장욱
이정우
조익현
이승호
박경훈
방경환
김동휘
김기홍
Original Assignee
대한민국(농촌진흥청장)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 대한민국(농촌진흥청장) filed Critical 대한민국(농촌진흥청장)
Priority to KR1020150124449A priority Critical patent/KR20170027605A/en
Publication of KR20170027605A publication Critical patent/KR20170027605A/en

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/09Watering arrangements making use of movable installations on wheels or the like
    • A01G25/097Watering arrangements making use of movable installations on wheels or the like guided or propelled along a water supply line with supply line traversing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements

Abstract

The present invention relates to an irrigation device, which can supply water to crops while moving working paths formed between plots plating the crops to a moving part. The irrigation device according to an embodiment of the present invention comprises: a support part consisting of a lower pipe coupled to an upper portion of the moving part and an upper pipe vertically moved with respect to the lower pipe, and capable of adjusting the height; a rotation unit consisting of an annular member rotatably coupled to an outer circumferential surface of the upper pipe and a connection bar screw-connected to the annular member to fix the annular member to the upper pipe; and an irrigation unit coupled to one end of a connection pin and spraying water to the crops.

Description

Water suppling apparatus

The present invention relates to an irrigation device, and more particularly, to an irrigation device capable of moving a work path formed between a ladder and a ladder planted with crops, and to provide water to the crop of the ladder easily.

Due to recent climate change, growing crops due to low rainfall in spring in crop growing crops cause drought damage, especially in farmland, farmers are artificially irrigated to prevent damage.

Generally, the injection liquid was stored in a certain reservoir for storing water for the watering of the mother field, and the spray liquid was supplied from the power plant at a constant pressure, and the water was sprayed through the sprayer.

However, it is possible to spray on the left and right side by hand to spray the liquid evenly. However, it takes a lot of time and labor to spray a large amount of crops, Overcoming watering equipment is needed.

An embodiment of the present invention provides an irrigation device that moves a work path formed between a planting rooftop and a rooftop of a crop and can easily give water to the crop of the rooftop.

According to an aspect of the present invention, there is provided a method for supplying water to a crop by moving a work path formed between a root and a root to plant a crop, the method comprising: a lower tube coupled to an upper portion of the moving portion; And a height adjustable supporter. An annular member rotatably coupled to an outer circumferential surface of the upper tube; a rotary member screwed to the annular member to fix the annular member to the upper tube; And a water supply unit coupled to one end of the engagement pin and spraying water to the crop.

The supporting portion may include: a plurality of fastening holes formed in the lower tube at regular intervals in the longitudinal direction; A corresponding fastening hole formed at one end of the upper tube corresponding to the fastening hole; And a connection pin inserted and fixed in a corresponding fastening hole facing one of the plurality of through holes.

The water supply unit may include a spray pipe coupled to an end of the connection bar and having one or more nozzle holes connected to a supply nozzle for supplying water from the outside and discharging water by its own weight.

The water supply unit may include a connection pipe connected to an end of the connection bar and connected to a supply nozzle through which water is supplied from the outside, and at least one connection pipe connected to the connection pipe at opposite ends thereof, And may be formed as a pair of spray tubes in which nozzle holes are formed.

In addition, the spray tube may be divided into a plurality of spray tubes, and the divided spray tubes may be screwed together or fitted to each other.

In addition, a leakage preventing member for preventing the water from leaking may be provided at a portion where the plurality of spray tubes are coupled.

In addition, a lower portion of the water supply portion may be provided with a water depression prevention portion for preventing the water supply portion from sagging, and one end of the sag prevention block may be seated in a support groove formed on the lower outer peripheral surface of the upper pipe.

In addition, the at least one nozzle hole may be formed in the transverse direction and the longitudinal direction at a lower side of the injection tube, and the at least one injection hole in the transverse direction may be formed in a zigzag shape.

An irrigation device according to one aspect of the present invention is such that an irrigation portion for supplying water to a crop is rotatably coupled to a support portion so that the irrigation device can move the irrigation portion in various directions from one position to supply water to the crop.

In addition, since the moving part that can move to the lower side of the support part supporting the water supply part is provided, water can be easily supplied to the crop by facilitating the movement along the work path formed between the planted cobble and the cobble.

1 is a perspective view schematically showing an irrigation device according to an embodiment of the present invention.
2 is an exploded perspective view of an irrigation device according to an embodiment of the present invention.
3 is a cross-sectional view of an irrigation device according to an embodiment of the present invention.
4 shows a watering portion of an irrigation device according to an embodiment of the present invention.
FIG. 5 is a rear view of the spray pipe in the water supply part of the watering device according to the embodiment of the present invention. FIG.
FIG. 6 shows another example of a water supply part in an irrigation system according to an embodiment of the present invention.
7A and 7B illustrate a method in which a plurality of spray tubes are coupled to each other in a water supply part of an irrigation system according to an embodiment of the present invention
8 is a view illustrating a sag prevention unit of an irrigation device according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

As shown in FIG. 1, the watering apparatus 100 is a device for supplying water to a crop planted on a dam by moving along a work path formed between a weir and a weir planted with a crop, and includes a support 110, 120, a water supply part 130, and a moving part 140. [

One end of the supporting part 110 is coupled to the upper part of the moving part 140 and the other end of the supporting part 110 is provided with a support part 110 for facilitating the guiding of the supporting part 110 moved by the moving part 140 A gripping part 150 may be provided.

The supporting portion 110 may be inclined in one direction at an upper portion of the moving portion 140. More specifically, the supporting portion 110 may be inclined toward the rear wheel 143 of the moving portion 140, .

The fixing bar 118 extending from one side of the lower portion of the supporting portion 110 to the upper side of the moving portion 140 is formed on the upper surface of the supporting portion 110 in order to fix the supporting portion 110, Respectively.

The rotation unit 120 and the water supply unit 130 may be coupled to a predetermined position of the support unit 110 and the length of the support unit 110 may be adjusted.

The supporting part 110 may include a lower tube 111 and an upper tube 112 so that the length of the supporting part 110 can be adjusted and the supporting part 110 may be formed between the lower tube 111 and the upper tube 112).

Here, the detachable lower tube 111 and the upper tube 112 are coupled by a coupling hole 113, a corresponding coupling hole 114 (FIG. 2), and a coupling pin 115, 110 can also be adjusted.

2, the lower tube 111 is coupled to the upper part of the moving part 140, and in particular, the lower tube 111 includes a wheel 142 installed at the front end of the moving part 140, And the lower tube 111 and the front end wheel 142 can be moved in the rotating direction of the gripper 150 provided in the upper tube 112. [

In addition, a plurality of coupling holes 113 may be formed on the outer surface of the lower tube 111, and the plurality of coupling holes 113 may be spaced apart from each other at regular intervals in the longitudinal direction.

The upper tube 112 may be connected to the upper side of the lower tube 111 so that the upper tube 112 is connected to the upper side of the lower tube 111 so as to be movable along the lower tube 111. [ do.

In addition, a corresponding coupling part 114 corresponding to the coupling hole 113 may be provided at one end of the upper tube 112.

When the upper tube 112 is positioned with respect to the lower tube 111, the upper tube 112 is fixed to the lower tube 111, .

That is, the height of the support part 110 can be adjusted by moving and fixing the upper tube 112 with respect to the lower tube 111, The coupling pin 115 is inserted into any one of the coupling holes after the corresponding coupling hole 114 of the upper tube 112 faces the coupling pin 115 so that the upper tube 112 is connected to the lower tube 111 at a predetermined height .

At this time, a protrusion 116 having an elastic restoring force is formed on an outer circumferential surface of one end of the connection pin 115. The protrusion 116 is connected to the connection pin 115, which fixes the upper tube 112 to the lower tube 111, Is prevented from being separated from the fastening hole (113) and the corresponding fastening hole (114).

That is, when the connection pin 115 is inserted into the coupling hole 113 and the corresponding coupling hole 114, the projection 116 is inserted into the coupling pin 115, And after passing through the fastening hole 113 and the corresponding fastening hole 114, the fastening hole 114 is further protruded so as to protrude from the outer surface of the upper tube 112 around the fastening hole 114 So as to support the connection pin 115.

In addition, a cutout groove 117 may be formed around the outer surface of the upper tube 112, and the cutout groove 117 may include the rotation unit 120.

The rotation unit 120 is for rotating the water supply unit 130 and may be disposed in the cutout groove 117 and rotated.

Specifically, the rotary part 120 includes an annular member 121 rotatably coupled to an outer circumferential surface of the upper tube 112, and an annular member 121 to connect the annular member 121 and the water main part 130. [ And a connection bar 122 coupled to one side of the base 121.

The annular member 121 may be coupled to the incision groove 117 and may be fitted on the lower side of the upper tube 112 to be coupled to the incision groove 117.

As shown in FIG. 3, a pair of coupling holes 123 may be formed on the outer circumferential surface of the annular member 121 to form a thread on the inner surface.

At this time, a pair of coupling holes 123 may be formed at positions corresponding to each other on the outer circumferential surface of the annular member 121, and one coupling hole of the pair of coupling holes 123 may be formed in the coupling bar 122 And a fixing pin 124 for fixing the annular member 121 to the upper tube 112 is coupled to restrict the rotation of the annular member 121. As shown in FIG.

The connection bar 122 may be formed in a bar shape having a predetermined length and each of the opposite ends of the connection bar 122 may have a coupling protrusion 125 coupled to the coupling hole 123.

The outer circumferential surface of the pair of coupling protrusions 125 may be formed with a thread groove that engages with the thread of the coupling hole 123.

The annular member 121 is fitted in the lower side of the upper tube 112 and is coupled to the incision groove 117 and then the fixing pin 124 and the connection The annular member 121 is fixed to the upper tube 112 in a predetermined position by inserting and engaging the engaging protrusion 125 of the bar 122. [

A portion of the connection pipe 122 may be formed with a first flow path 126 through which water flows and the first flow path 126 is connected to a supply nozzle 200, and is supplied with water from the supply nozzle 200.

A supply valve 127 may be provided at one side of the connection bar 122 to be connected to the supply nozzle 200. The supply valve 127 may include a supply nozzle 200, (126) and the second flow path (139) of the water supply unit (130) to supply water to the water supply unit (130) side.

The water supply part 130 substantially supplies water to the crop and is screwed with the coupling protrusion (125 of FIG. 3) formed at one end of the connection bar 122 and is rotated by the rotation part 120 have.

Specifically, as shown in FIGS. 1 to 4, the water supply unit 130 may have a "C" shape, a connection pipe 131, and a pair of discharge pipes 132.

The connecting pipe 131 is screwed with an engaging projection 125 provided at an end of the connecting bar 122. The center of the connecting pipe 131 in the longitudinal direction is connected to the engaging projection 122 of the connecting bar 122 125, respectively.

That is, the connection pipe 131 may be coupled to the connection bar 122 at a right angle to the connection bar 122 on the same plane.

Each of the pair of injection pipes 132 may be provided at both ends of the connection pipe 131 with a second flow path 139 through which water flows. Parallel to each other so as to face each other at both ends thereof.

In addition, a valve 138 may be provided on one side of the upper portion of the pair of injection pipes 132. The pair of valves 138 may cause the water supplied from the supply nozzle 200 connected to the connection pipe 131 to flow into the second flow path 139 inside the injection pipe 132, (139).

That is, when the valve 138 is opened, the water of the supply nozzle 200 moves to the spray pipe 132 through the connection pipe 131. When the valve 138 is closed, 200 can not be moved to the injection pipe 132 through the connection pipe 131.

Accordingly, the valve 138 may be provided on the injection pipe 132 near the connection pipe 131.

5, one or more nozzle holes 133 for discharging water supplied from the connection pipe 131 to the crop may be formed on the lower side of the spray pipe 132. As shown in FIG.

The at least one nozzle hole 133 may be formed in the transverse direction and the longitudinal direction at a lower side of the injection tube 132. That is, the plurality of nozzle holes 133 may be arranged in a row in the lateral direction.

At this time, the interval between the nozzle holes 133 arranged in a row in the transverse direction may be at least 2 mm to 4 mm, and more specifically, the nozzle holes 133 arranged in a row in the lateral direction may be formed at intervals of 3 mm .

In addition, the plurality of nozzle holes 133 arranged in the lateral direction may be arranged in the longitudinal direction, and the number of the nozzle holes 133 arranged in a row may be alternately formed.

For example, the nozzle holes 133 may be arranged in a line in four or five in the lateral direction, and the nozzle holes 133 arranged in four in the lateral direction and the nozzle holes 133 arranged in five in the lateral direction, Are alternately arranged.

Meanwhile, the diameter of the nozzle hole 133 may be 0.5 to 1.5Φ, and may be 1 to 1.2Φ.

In the meantime, although the injection pipe 132 is shown to couple the pair of injection pipes 132 to both sides of the connection pipe 131, the present invention is not limited thereto, And may be provided at one end of the connecting bar 122 so as to be threadedly coupled with the engaging projection (125 of FIG. 3) so as to extend in one direction. In order to facilitate understanding of the present invention, an embodiment of the present invention will be described and illustrated in the form of FIG. 1 to FIG.

In addition, each of the pair of the injection pipes 132 may be divided into a plurality of parts, and the divided plurality of the injection pipes 132 may be screwed together or fitted to each other.

That is, as shown in FIG. 7A, one end of any one of the divided first injection pipes 132a is threaded on the inner circumferential surface, and any one of the second The outer circumferential surface of the other end of the spray tube 132b is formed with a thread groove to be engaged with the thread.

Accordingly, the plurality of divided spray tubes 132 can be coupled to each other through one spray tube 132 by coupling threaded portions formed at one end to threaded portions formed at the other end.

Alternatively, as shown in FIG. 7B, a fitting member 134 'having a rectangular shape is protrudingly formed at one end of the arbitrary first injection pipe 132a' of the plurality of divided injection pipes 132 ' A fitting groove 135 'having a square pillar shape is formed at the other end of the second injection pipe 132b'.

At this time, a flow path through which the water can flow can be formed at the center of the fitting member 134 'and the fitting groove 135'.

A coupling protrusion 136 'protrudes from an outer surface of the fitting member 134', and a groove 137 'to which the coupling protrusion 136' is coupled is formed on the inner surface of the fitting groove 135 ' .

Accordingly, the fitting member 134 'formed at one end of the arbitrary first injection pipe 132a' is fitted into the fitting groove 135 'formed at the other end of the arbitrary second injection pipe 132b' At the same time, the engaging projection 136 'of the fitting member 134' is inserted into the groove 137 'of the fitting groove 135' so that the plurality of the spraying pipes 132a 'and 132b' (Not shown).

In FIG. 7B and the detailed description, the shape of the shim member 134 'and the fitting groove 135' is shown in a rectangular column shape, but the present invention is not limited thereto. That is, the fitting member and the fitting groove may be formed in a cylindrical shape, a triangular column, or a polygonal shape other than a square pillar shape, and may be formed in any form as long as the fitting member can be fitted into the fitting groove.

In this case, when screwing as in FIG. 7A, or fitting as shown in FIG. 7B, any one of the first injection pipes 132a and 132a 'and the optional second injection pipes 132b and 132b' A leakage preventing member 160 for preventing water flowing inside the injection pipe 132 from leaking can be provided.

In addition, the divided plurality of injection pipes 132 can be connected to one another and can be lowered due to their weight.

As shown in FIG. 8, a sag prevention unit 170 may be installed on the lower side of the water supply unit 130 to prevent the sagging pipe 132 from sagging.

One end of the deflection preventing member 170 may be pivotably coupled to the lower side of the coupling pipe 131.

At this time, the sag prevention bar 170 may be hinged to the lower side of the connection pipe 131 so as to be pivotable.

That is, the deflection preventing member 170 may be composed of a plate member 171 and a pair of rotation support members 172, and one end of the plate member 171 may be provided between the pair of rotation support members 172 And the other end of the plate member 171 is seated and supported in a support groove 126 formed on the lower outer surface of the upper tube 112. [

The pair of rotation support members 172 are spaced apart from each other on the lower side of the connection pipe 131 and are disposed between the pair of rotation support members 172 spaced apart from each other by the plate member 171, 173).

Accordingly, when the water supply unit 130 is used, the other end of the slack prevention unit 170 is seated and supported in the support groove 126, thereby preventing the water supply unit 130 from sagging.

When the water supply unit 130 is not used, the sag prevention bar 170 is rotatable so that when the water supply unit 130 is separated from the rotation unit 120 and stored, the sag prevention unit 170 May be folded so as to be in contact with one side surface of the injection tube 132.

The deflection preventing member 170 is provided on the lower side of the coupling pipe 131, but the present invention is not limited thereto. The deflection preventing member 170 may be provided on the lower side of the connecting bar 122.

As shown in FIG. 1, the moving part 140 is for moving the support part 110 and the water supply part 130 along the work path formed between the planted cobblestones And is coupled to the lower side end portion.

At this time, since the work path is a space in which one operator can move, the moving unit 140 must be able to move along the work path in a small space.

The moving unit 140 includes a body 141 and wheels 142 and 143.

The body 141 extends in the longitudinal direction, and the lower end of the support portion 110 can be coupled to the center of the body 141 in the longitudinal direction.

The wheels 142 and 143 are coupled to the front and rear ends of the body 141 in the longitudinal direction so that the moving unit 140 can be easily moved along the work path in the narrow space.

In this case, one wheel 142 is provided at the front end and a pair of wheels 143 may be installed at the rear end. At this time, the outer diameter of the wheel 142 installed at the front end is a pair of wheels (143).

Thus, the irrigation portion supplying water to the crop is rotatably coupled to the supporting portion, so that the irrigation device can move the irrigation portion in various directions from one position to supply water to the crop.

In addition, since the moving part that can move to the lower side of the supporting part supporting the water supply part is provided, water can be easily supplied to the crop by facilitating the movement along the work path formed between the planted cheddar and the cheddar.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: Watering device 110: Support
120: rotating part 130: watering part
140: moving part 150: grip part
160: Water leakage prevention member 170: Sag prevention member

Claims (8)

An irrigation apparatus for supplying water to a crop by moving a work path formed between a root and a root to plant the crop,
A lower tube coupled to an upper portion of the moving part, and an upper tube moving up and down with respect to the lower tube;
An annular member rotatably coupled to an outer circumferential surface of the upper tube; a rotary member screwed to the annular member to fix the annular member to the upper tube; And
And an irrigation unit coupled to one end of the engagement pin and spraying water to the crop.
The method according to claim 1,
Wherein the support comprises:
A plurality of fastening holes formed in the lower tube at regular intervals in the longitudinal direction;
A corresponding fastening hole formed at one end of the upper tube corresponding to the fastening hole;
And a connection pin inserted and fixed in a corresponding fastening hole facing one of the plurality of through holes.
The method according to claim 1,
Wherein the water supply unit is connected to an end of the connection bar and includes at least one nozzle hole connected to a supply nozzle for supplying water from the outside and discharging water by its own weight.
The method according to claim 1,
Wherein the water supply unit has a connection pipe connected to an end of the connection bar at a center of the length thereof and connected to a supply nozzle through which water is supplied from the outside and at least one nozzle hole coupled to both ends of the connection pipe, Wherein the water supply pipe is formed by a pair of spray pipes formed.
The method according to claim 3 or 4,
The injection pipe may be divided into a plurality of pipes,
Wherein the plurality of divided spray tubes are screwed together or fitted to each other.
6. The method of claim 5,
And a water leakage preventing member for preventing the water from leaking to a portion where the plurality of spray tubes are coupled.
The method according to claim 1,
And a water treatment unit for preventing the water supply unit from sagging is provided at a lower side of the water supply unit,
And one end of the sag prevention block is seated in a support groove formed in an outer peripheral surface of a lower side of the upper tube.
The method according to claim 3 or 4,
Wherein the at least one nozzle hole is formed in a transverse direction and a longitudinal direction at a lower side of the injection tube,
Wherein the at least one jetting port in the transverse direction is formed in a zigzag.
KR1020150124449A 2015-09-02 2015-09-02 Water suppling apparatus KR20170027605A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108450297A (en) * 2018-05-11 2018-08-28 北方民族大学 A kind of treegarden irrigation device
CN108935000A (en) * 2018-08-29 2018-12-07 安徽恒宇环保设备制造股份有限公司 A kind of irrigation system based on micro-nano bubbler techniques convenient for adjusting
CN112219693A (en) * 2020-10-20 2021-01-15 扬大(常熟)现代农业发展研究院有限公司 Agricultural circulating irrigation device
CN112450052A (en) * 2020-11-18 2021-03-09 霍珮伊 Wisdom is thing networking agricultural for agricultural spraying irrigation equipment
CN115316231A (en) * 2022-09-16 2022-11-11 河南水谷科技有限公司 Water-saving irrigation equipment and operation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108450297A (en) * 2018-05-11 2018-08-28 北方民族大学 A kind of treegarden irrigation device
CN108935000A (en) * 2018-08-29 2018-12-07 安徽恒宇环保设备制造股份有限公司 A kind of irrigation system based on micro-nano bubbler techniques convenient for adjusting
CN112219693A (en) * 2020-10-20 2021-01-15 扬大(常熟)现代农业发展研究院有限公司 Agricultural circulating irrigation device
CN112450052A (en) * 2020-11-18 2021-03-09 霍珮伊 Wisdom is thing networking agricultural for agricultural spraying irrigation equipment
CN115316231A (en) * 2022-09-16 2022-11-11 河南水谷科技有限公司 Water-saving irrigation equipment and operation method thereof
CN115316231B (en) * 2022-09-16 2024-01-30 河南水谷科技有限公司 Water-saving irrigation equipment and operation method thereof

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