CN114041400A - Flow divider for water-saving irrigation and irrigation system thereof - Google Patents
Flow divider for water-saving irrigation and irrigation system thereof Download PDFInfo
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- CN114041400A CN114041400A CN202111333407.2A CN202111333407A CN114041400A CN 114041400 A CN114041400 A CN 114041400A CN 202111333407 A CN202111333407 A CN 202111333407A CN 114041400 A CN114041400 A CN 114041400A
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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
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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
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- 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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Abstract
The invention belongs to the technical field of water-saving irrigation, and particularly relates to a flow divider for water-saving irrigation and an irrigation system thereof. Three modes of underground water seepage irrigation, surface drip irrigation and spray irrigation are provided, and in addition, the control of the three irrigation modes can be controlled through water pressure; two sealing plugs are arranged in the flow divider, and the control under water pressure and the free switching of different irrigation modes in three modes are effectively ensured through the mutual matching position relationship and the vertical moving position of the two sealing plugs; the water-saving irrigation system fully utilizes the structural characteristics of the flow divider, and can arrange corresponding water outlet branch pipes and irrigation branch pipes aiming at the terrain of a green land park, so that the coverage and the comprehensiveness of the green land in a drip irrigation mode are realized; in addition, this scheme can realize the irrigation of different modes according to the needs of difference to effectively realize the needs to water conservation and water conservation among the greenery patches park irrigation process.
Description
Technical Field
The invention belongs to the technical field of water-saving irrigation, and particularly relates to a flow divider for water-saving irrigation and an irrigation system thereof.
Background
Irrigation is an important means for supplementing moisture to planted plants, and in order to ensure normal growth of crops and obtain high and stable yield, sufficient moisture must be supplied to the crops; the irrigation principle is that the irrigation quantity, the irrigation times and the irrigation time are determined according to the water requirement characteristics, the growth stage, the climate and the soil conditions of the medicinal plants, and the medicinal plants are irrigated in a proper time and in a proper amount and reasonably. The irrigation mode comprises a flood irrigation mode, a spray irrigation mode, a micro-spray irrigation mode, a drip irrigation mode and the like, and when crops are planted on farmlands or greenbelts, in order to guarantee normal growth of the crops and obtain high and stable yield, the crops need to be supplied with sufficient moisture. The artificial irrigation is carried out to supplement the deficiency of natural rainfall, and the influence on the growth of crops caused by insufficient rainfall or uneven distribution is avoided.
The water sources used for irrigation generally comprise water pumping and taking, reservoir water taking and the like, the water taking modes are characterized by huge engineering amount and huge investment, a channel irrigation system is needed to convey water from a water source and distribute the water to the field, huge loss of the water source is caused in the process, when plants are irrigated, the ground surface is generally irrigated, a long time is needed until the water completely permeates into the underground, the water is evaporated, waste is caused to the water sources, the water sources are mainly used for absorbing the roots of the plants during irrigation, and if the roots of the plants cannot directly and quickly absorb the water, the waste of the water resources is caused.
Because water is difficult to take in the irrigation process, how to fully utilize the irrigation water, especially in urban greening parks, the problem of how to carry out water-saving irrigation on the greening parks is to be solved because the quantity of arbor plants is less and the sun directly shines the ground surface to cause a large amount of water to evaporate.
Disclosure of Invention
In order to solve the problem that the existing greening park consumes a large amount of irrigation water, the scheme provides a flow divider for water-saving irrigation and an irrigation system thereof.
The technical scheme adopted by the invention is as follows:
a flow divider for water-saving irrigation comprises an outer shell, an upper sealing plug, a lower sealing plug and a water inlet coil pipe; a flow dividing cavity is arranged inside the outer shell, and the outer shell is provided with a water inlet, a high-pressure water outlet, a medium-pressure water outlet and a low-pressure water outlet which are respectively communicated with the upper part, the middle part and the bottom of the flow dividing cavity; the upper sealing plug is arranged in the diversion cavity in a sliding manner and comprises an upper sealing disc, a connecting column and a lower sealing disc; the upper sealing disc and the lower sealing disc are respectively sealed on the inner side wall of the flow dividing cavity, the connecting column is connected between the upper sealing disc and the lower sealing disc and forms an I shape, and a water inlet hole is formed in the connecting column; the water inlet coil comprises an upper coil and a lower coil; the upper coil pipe is a hose and can extend and contract for different distances under different water pressures so as to communicate the water inlet with the high-pressure water outlet or the medium-pressure water outlet; the lower coil pipe is connected between the water inlet and the lower sealing plug, is a hose and can be controlled to stretch by water pressure so as to plug the lower sealing plug or open the low-pressure water outlet.
As an alternative or complementary design to the above structure: a compression spring is arranged in the outer shell, one end of the compression spring is connected to the top of the shunt cavity, and the other end of the compression spring is suspended; when the upper sealing plug moves to the position where the water inlet hole is communicated with the medium-pressure water outlet, the other end of the compression spring is abutted against the upper sealing disc.
As an alternative or complementary design to the above structure: a first magnet is fixed at the center of the compression spring, and a second magnet which is magnetically attracted with the first magnet is arranged on the upper sealing disc; when the first magnet and the second magnet are magnetically attracted, the upper sealing plug moves to the position where the water inlet hole is communicated with the high-pressure water outlet, and the compression spring is in a compressed state.
As an alternative or complementary design to the above structure: a pressure maintaining branch is connected in parallel with the water inlet and communicated with the space below the lower sealing disc; a gap is formed between the lower sealing plug and the inner side wall of the flow divider, and the gap is smaller than the water flow of the water inlet and the pressure maintaining branch.
As an alternative or complementary design to the above structure: a jet hole is arranged on the back side of the lower sealing plug and communicated with the lower coil pipe; the lower part of the outer shell is provided with a conical part, and the low-pressure water outlet is positioned at the lower part of the conical part; the jet hole can spray water back to the lower sealing plug so as to press the lower sealing plug onto the conical part to plug the low-pressure water outlet.
As an alternative or complementary design to the above structure: and a disc spring piece is connected to a gap between the lower sealing plug and the inner side wall of the flow divider, and a hole for water flow to pass through is formed in the disc spring piece.
As an alternative or complementary design to the above structure: the top of the outer shell is provided with a threaded connection part, the threaded connection part is fixedly connected with a vertical pipeline, the upper end of the pipeline is fixedly connected with a water flow ejector, and the high-pressure water outlet is communicated with the pipeline.
As an alternative or complementary design to the above structure: the low-pressure water outlet at the bottom of the outer shell is connected with a ground inserting pipeline, the lower end of the ground inserting pipeline is sharp so that the ground inserting pipeline can be inserted and erected on the ground, the upper end of the ground inserting pipeline is in threaded connection with the low-pressure water outlet, and the pipe wall of the ground inserting pipeline is provided with a plurality of water seepage holes.
A water-saving irrigation system comprises a flow divider, a water inlet main pipe, a water inlet branch pipe, a water outlet branch pipe and an irrigation branch pipe; selecting different contour lines in the area to be planted, arranging a plurality of flow dividers on each contour line, connecting the water inlet branch pipes with all the flow dividers on the same contour line, and communicating the water inlet main pipe with all the water inlet branch pipes; the medium pressure delivery port of every shunt all is connected with a water outlet branch pipe, and the both sides of every water outlet branch pipe all are provided with a plurality of irrigation branch pipes, and the pipe wall of every irrigation branch pipe all is provided with the hole that leaks, is provided with the planting hole that is used for green planting to plant between two adjacent irrigation branch pipes with one side at water outlet branch pipe.
As an alternative or complementary design to the above structure: treat that the earth's surface department of planting region covers has the plastic film, and the plastic film includes lower floor's plastic film and upper mulching film, and water inlet main, the water inlet is divided the pipe, goes out the water branch pipe and irrigates the branch pipe and all is located between lower floor's plastic film and the upper mulching film, is provided with a plurality of pores on the lower floor's plastic film, and upper mulching film corresponds planting hole department and is provided with the planting hole.
The invention has the beneficial effects that:
1. the structure in the technical scheme can realize irrigation of the green park in three modes, and provides three modes of underground water seepage irrigation, surface drip irrigation and spray irrigation, and in addition, the control of the three irrigation modes can be controlled by water pressure, so that the problem that the circuit structure is easy to generate electric leakage or short circuit in the using process is solved;
2. according to the scheme, the two sealing plugs are arranged in the flow divider, and the control of three modes under water pressure and the free switching of different irrigation modes are effectively ensured through the mutual matching position relation and the vertical moving position of the two sealing plugs;
3. the water-saving irrigation system in the scheme fully utilizes the structural characteristics of the flow divider, and can arrange corresponding water outlet branch pipes and irrigation branch pipes aiming at the terrain of a green park, so that the coverage and the comprehensiveness of the green in a dripping irrigation mode are realized; in addition, this scheme can realize the irrigation of different modes according to the needs of difference to effectively realize the needs to water conservation and water conservation among the greenery patches park irrigation process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic view of a diverter for water-saving irrigation according to the present embodiment;
FIG. 2 is a diagram showing the connection of the diverter to the water jet and the ground insertion pipe in the present embodiment;
FIG. 3 is a diagram of the water-saving irrigation system in the scheme;
fig. 4 is a state diagram of the water-saving irrigation system in fig. 3 applied to a sloping field.
In the figure: 1-a flow divider; 11-an outer shell; 111-medium pressure water outlet; 112-high pressure water outlet; 113-a low pressure water outlet; 114-a puck; 115-threaded connection; 116-a water inlet; 117-pressure maintaining branch; 118-a conical portion; 119-a first magnet; 12-a compression spring; 13-lower sealing plug; 14-water inlet coil pipe; 141-upper coil pipe; 142-laying a coil; 15-upper sealing plug; 151-upper sealing disc; 152-a water inlet hole; 153-connecting column; 154-lower sealing disk; 16-a disk spring leaf; 2-water jet ejector; 3-inserting a pipeline; 4-a water inlet main pipe; 41-water inlet branch pipe; 5-water outlet branch pipe; 51-irrigation branch pipes; 6-planting a pit; 7-mulching film; 71-lower mulching film; 72-upper mulching film.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts will belong to the protection scope of the present solution based on the embodiments in the present solution.
Example 1
As shown in fig. 1-2, the present embodiment designs a flow divider for water saving irrigation, which comprises an outer shell 11, an upper sealing plug 15, a lower sealing plug 13, and a water inlet coil 14.
The inside of the outer shell 11 is of a hollow structure, a diversion cavity is arranged inside the outer shell 11, the upper sealing plug 15 and the lower sealing plug 13 are movably arranged in the diversion cavity, and a water inlet 116, a high-pressure water outlet 112, a medium-pressure water outlet 111 and a low-pressure water outlet 113 which are respectively communicated with the upper part, the middle part and the bottom of the diversion cavity are arranged on the outer shell 11. A water inlet coil 14 is also provided in the diversion chamber between the upper sealing plug 15 and the lower sealing plug 13. A threaded connection part 115 is arranged at the top of the outer shell 11, a vertical pipeline is fixedly connected to the threaded connection part 115, a water jet ejector 2 is fixedly connected to the upper end of the pipeline, the lower end of the pipeline is blocked and connected with the threaded connection part 115, and the high-pressure water outlet 112 is communicated with the lower part of the pipeline. The water sent out from the high-pressure water outlet 112 can be sprayed through the water flow ejector 2 to realize the sprinkling irrigation operation, the sprinkling irrigation range can be determined as required, and the water flow ejector 2 can select the water sprayer structure purchased in the market, and the water sprayer purchased in the market is selected for use, and the expression range of the embodiment also necessarily belongs to.
The lower part of the outer shell 11 is conical and forms a conical part 118, and the low-pressure water outlet 113 is positioned at the lower part of the conical part 118; the lower end of the ground insertion pipeline 3 is sharp so that the ground insertion pipeline can be inserted and erected on the ground, the upper end of the ground insertion pipeline 3 is in threaded connection with the low-pressure water outlet 113, and a plurality of water seepage holes are formed in the pipe wall of the ground insertion pipeline 3; the ground inserting pipeline 3 can be vertically inserted to the ground of the greening park, when water flow is output from the low-pressure water outlet 113, the water flow can be sent to the ground below the ground along the ground inserting pipeline 3, and therefore the problem that the water evaporation capacity is too large due to ground irrigation of the greening park is avoided. And the infiltration hole that sets up on ground intubate way 3 can constantly be to the soil horizon infiltration of difference to guarantee that different soil horizon homoenergetic soaks moisture, the soil moisture overall arrangement picture after its infiltration is the toper, not only utilizes the characteristic of soil water retention, can also the direct action in the root system of soil, thereby reduces the waste that earth's surface moisture evaporation caused irrigation water. Attached to the outer side wall of the outer housing 11 is a positioning plate 114, which positioning plate 114 allows to control the insertion depth of the cannula 3 while facilitating to keep the outer housing 11 upright.
The upper sealing plug 15 is arranged in the diversion cavity, the upper sealing plug 15 can vertically slide along the inner side wall of the diversion cavity, and the upper sealing plug 15 comprises an upper sealing disc 151, a connecting column 153 and a lower sealing disc 154; go up sealed dish 151 and lower sealed dish 154 and seal respectively in the inside wall of reposition of redundant personnel chamber, the spliced pole 153 is connected and is constituted the I shape between last sealed dish 151 and lower sealed dish 154, be provided with inlet opening 152 on the spliced pole 153, the center department of the bottom of sealed dish 154 is provided with the interface that communicates with this inlet opening 152 down. When the upper sealing disc 151 of the upper sealing plug 15 slides to below the medium pressure water outlet 111, the water inlet hole 152 is not communicated with the low pressure water outlet 113, the medium pressure water outlet 111 and the high pressure water outlet 112 at this time. When the upper sealing disc 151 of the upper sealing plug 15 slides above the medium pressure water outlet 111 and the lower sealing disc 154 is positioned below the medium pressure water outlet 111, the water inlet hole 152 is now in communication with the medium pressure water outlet 111 and neither the low pressure water outlet 113 nor the high pressure water outlet 112. When the upper sealing disc 151 of the upper sealing plug 15 slides to above the high-pressure water outlet 112 and the lower sealing disc 154 blocks the medium-pressure water outlet 111, the water inlet hole 152 is communicated with the high-pressure water outlet 112 but not communicated with the low-pressure water outlet 113 and the medium-pressure water outlet 111.
The water inlet coil 14 comprises an upper coil 141 and a lower coil 142; the upper coil 141 is connected between the water inlet 116 and the upper sealing plug 15 and is communicated with the water inlet hole 152, the upper coil 141 is a hose and can be extended and contracted for different distances under different water pressures, the upper coil 141 can also be a flat tube, and the upper coil 141 is spiral, so that after the upper coil 141 is filled with water with certain water pressure, the water pressure can enable the upper coil 141 to expand and vertically extend out, and the upper sealing plug 15 moves upwards; after the water pressure is reduced, the upper coil 141 can move down the upper sealing plug 15 under the action of the gravity of the upper coil 141 and the restoring force of the upper coil 141, meanwhile, in order to solve the problem that the restoring elasticity of the upper coil 141 is insufficient, elastic members such as a spring, an elastic rope and the like can be connected between the upper sealing plug 15 and the lower sealing plug 13, and a counterweight can be hung on the lower portion of the upper sealing plug 15, so that the upper sealing plug 15 can fall down after pressure loss. Meanwhile, since the upper coil 141 is connected to the water inlet 116, when the upper coil 141 is pressurized properly, the upper sealing plug 15 can be pressed to different heights, so as to communicate with the high pressure water outlet 112 or the medium pressure water outlet 111.
The lower coil 142 is connected between the water inlet 116 and the lower plug 13, the lower coil 142 is a flexible tube and can be controlled to expand and contract by water pressure, the upper coil 141 may also be a flat tube, and the upper plug 15 can be pressed to different heights and is communicated with the high-pressure water outlet 112 or the medium-pressure water outlet 111. A pressure maintaining branch 117 is connected in parallel to the water inlet 116, and the pressure maintaining branch 117 is communicated with the space below the lower sealing disc 154; between the lower sealing plug 13 and the inner side wall of the flow divider 1 there is a gap which is smaller than the water flow of the water inlet 116 and the pressure holding branch 117. When the pressure of the upper coil 141 is proper, the lower and upper sealing plugs 15 are pressed to the tapered part 118, so as to realize the pressure maintaining of the space between the upper sealing plug 15 and the lower sealing plug 13, thereby ensuring the positioning of the positions of the lower sealing plug 13 and the upper sealing plug 15.
A jet hole is formed in the back side of the lower sealing plug 13, and the jet hole is communicated with the lower coil 142; the jet hole can spray water back to the lower sealing plug 13 to press the lower sealing plug 13 onto the conical part 118 to block the low-pressure water outlet 113, and the jet hole can not only improve the water flow above the lower sealing plug 13, but also push the lower sealing plug 13 to move downwards. A disc spring 16 is connected to the gap between the lower sealing plug 13 and the inner side wall of the flow divider 1, and the disc spring 16 is provided with a hole for water flow. The belleville spring plate 16 is used to control the movement and recovery of the lower sealing plug 13.
A compression spring 12 is arranged in the outer shell 11, one end of the compression spring 12 is connected to the top of the shunting cavity, and the other end of the compression spring 12 is suspended; when the upper sealing plug 15 moves upwards to the position where the water inlet hole 152 is communicated with the medium-pressure water outlet 111, the other end of the compression spring 12 is pressed against the upper sealing disc 151. A first magnet 119 is fixed at the center of the compression spring 12, and a second magnet magnetically attracting the first magnet 119 is arranged on the upper sealing disc 151; when the first magnet 119 and the second magnet are magnetically attracted, the upper sealing plug 15 moves upward to a position where the water inlet 152 is communicated with the high pressure water outlet 112, and the compression spring 12 is in a compressed state.
Example 2
As shown in fig. 1 to 4, the present embodiment designs a water-saving irrigation system, which includes a flow divider 1, a water inlet main pipe 4, a water inlet branch pipe 41, a water outlet branch pipe 5 and an irrigation branch pipe 51. The separator in this embodiment may adopt the structure of the flow divider 1 in embodiment 1, or may adopt other structures, for example, the communication between the water inlet 116 and the high-pressure water outlet 112, the low-pressure water outlet 113, or the medium-pressure water outlet 111 is realized by using an electromagnetic valve, and the application manner of the electromagnetic valve in this embodiment also belongs to the scope to be expressed by this embodiment.
The flow divider 1 used in the embodiment comprises an outer shell 11, an upper sealing plug 15, a lower sealing plug 13, a water inlet coil 14 and the like; a diversion cavity is arranged inside the outer shell 11, and a water inlet 116, a high-pressure water outlet 112, a medium-pressure water outlet 111 and a low-pressure water outlet 113 which are respectively communicated with the upper part, the middle part and the bottom part of the diversion cavity are arranged on the outer shell 11; the upper sealing plug 15 is slidably arranged in the diversion cavity, and the upper sealing plug 15 comprises an upper sealing disc 151, a connecting column 153 and a lower sealing disc 154; the upper sealing disc 151 and the lower sealing disc 154 are respectively sealed on the inner side wall of the flow dividing cavity, the connecting column 153 is connected between the upper sealing disc 151 and the lower sealing disc 154 and forms an I shape, and a water inlet 152 is formed in the connecting column 153; the water inlet coil 14 comprises an upper coil 141 and a lower coil 142; the upper coil 141 is connected between the water inlet 116 and the upper sealing plug 15 and is communicated with the water inlet hole 152, the upper coil 141 is a hose and can be extended and contracted for different distances under different water pressures so as to communicate the water inlet hole 152 with the high-pressure water outlet 112 or the medium-pressure water outlet 111; the lower coil 142 is connected between the water inlet 116 and the lower sealing plug 13, and the lower coil 142 is a flexible pipe and can be controlled by water pressure to extend and retract, so that the lower sealing plug 13 blocks or opens the low-pressure water outlet 113.
A compression spring 12 is arranged in the outer shell 11, one end of the compression spring 12 is connected to the top of the shunt cavity, and the other end of the compression spring 12 is suspended. A first magnet 119 is fixed at the center of the compression spring 12, and a second magnet magnetically attracting the first magnet 119 is arranged on the upper sealing disc 151; when the first magnet 119 and the second magnet are magnetically attracted, the upper sealing plug 15 moves upward to a position where the water inlet 152 is communicated with the high pressure water outlet 112, and the compression spring 12 is in a compressed state.
A pressure maintaining branch 117 is connected in parallel to the water inlet 116, and the pressure maintaining branch 117 is communicated with the space below the lower sealing disc 154; between the lower sealing plug 13 and the inner side wall of the flow divider 1 there is a gap which is smaller than the water flow of the water inlet 116 and the pressure holding branch 117. A jet hole is formed in the back side of the lower sealing plug 13, and the jet hole is communicated with the lower coil 142; a conical part 118 is arranged at the lower part of the outer shell 11, and the low-pressure water outlet 113 is positioned at the lower part of the conical part 118; the jet hole is able to spray water against the lower sealing plug 13 to press the lower sealing plug 13 against the taper 118 to block the low pressure outlet 113. A disc spring 16 is connected to the gap between the lower sealing plug 13 and the inner side wall of the flow divider 1, and the disc spring 16 is provided with a hole for water flow.
A water jet 2 is fixedly connected to the top of the outer shell 11, and a high-pressure water outlet 112 is communicated with the pipeline. The ground insertion pipe 3 is connected to the low-pressure water outlet 113 at the bottom of the outer shell 11, and the lower end of the ground insertion pipe 3 is sharp so that the ground insertion pipe can be inserted on the ground.
Selecting an area in a greening park as an area to be planted with plants, selecting different contour lines in the area to be planted, arranging a plurality of flow dividers 1 on each contour line, connecting a water inlet branch pipe 41 with all the flow dividers 1 on the same contour line, and communicating a water inlet main pipe 4 with all the water inlet branch pipes 41; the medium-pressure water outlet 111 of each flow divider 1 is connected with a water outlet branch pipe 5, two sides of each water outlet branch pipe 5 are provided with a plurality of irrigation branch pipes 51, the pipe wall of each irrigation branch pipe 51 is provided with a water leakage hole, and a planting pit 6 for green planting is arranged between two adjacent irrigation branch pipes 51 on the same side of the water outlet branch pipe 5.
Treat that the earth's surface department of planting region covers there is plastic film 7, plastic film 7 includes lower floor's plastic film 71 and upper mulching film 72, water inlet header pipe 4, the branch pipe 41 of intaking, water outlet branch pipe 5 and irrigation branch pipe 51 all are located between lower floor's plastic film 71 and the upper mulching film 72, be provided with a plurality of pores on the lower floor's plastic film 71, this pore can improve the hydroenergy that flows out from medium pressure delivery port 111 and can evenly flow into earth's surface department, upper mulching film 72 corresponds planting hole 6 department and is provided with the planting hole, and the last setting of upper mulching film 72 only sets up the hole in planting hole department, thereby reduce the evaporation capacity of surface water.
In use, the water saving irrigation system of the present embodiment has three modes of operation, the first mode being subsurface infiltration mode, the second mode being surface irrigation mode, and the third mode being spraying mode. When the underground seepage mode, the water pressure of the water inlet 116 communicated with the water inlet branch pipe 41 is small, when water enters the space below the upper sealing plug 15 through the water inlet 116 or the pressure maintaining branch pipe 117, at this time, because the water pressure in the lower coil pipe 142 is insufficient, the upper sealing plug 15 is not enough to be pushed to move upwards, and the lower sealing plug 13 is not enough to be pushed to move downwards, at this time, all water flow entering the branch cavity enters the low-pressure water outlet 113 through the gap between the conical part 118 and the lower sealing plug 13, water can flow into soil from the seepage holes in the lower end of the ground insertion pipeline 3 and the side wall of the ground insertion pipeline 3, and the water flow in the water inlet main pipe 4 needs to be continuously opened in the mode, so that the flowing of the water flow can be ensured. When the water enters a ground surface irrigation mode, the pressure at the water inlet 116 is increased, water flows into the water inlet coil pipe 14 to expand the water inlet coil pipe 14, so that the upper sealing plug 15 moves upwards to enable the upper sealing disc 151 to be abutted against the compression spring 12, meanwhile, the water inlet hole 152 in the connecting column 153 is communicated with the medium-pressure water outlet 111, water can successively flow through the water outlet branch pipe 5 and the irrigation branch pipe 51, the irrigation branch pipe 51 is arranged in an inclined downward mode, the water outlet branch pipe 5 can be arranged along the gradient direction of a green park, the irrigation branch pipe 51 is inclined to the water outlet branch pipe 5, and fine holes in the irrigation branch pipe 51 can uniformly irrigate the ground surface of the green park; on the other hand, the pressure increase at the water inlet 116 makes the lower coil pipe 142 expand and the lower sealing plug 13 move down, making it contact with the conical part 118 in a sealing manner, meanwhile, due to the design of the pressure maintaining branch 117, and the water flow of the pressure maintaining branch 117 is smaller than the diameter of the water inlet 116, so that the space where the upper coil pipe 141 is located can store water, and the stability of the upper sealing plug 15 and the lower sealing plug 13 when the water pressure is shifted is ensured. When the spraying mode is started, the water pressure at the water inlet 116 is greatly increased, the lower sealing plug 13 keeps sealing with the conical part 118 of the outer shell 11, meanwhile, the upper sealing plug 15 further moves upwards under the action of the expanding thrust of the water inlet coil pipe 14 and the water pressure on the lower side of the upper sealing plug 15, so that the peripheral wall of the upper sealing disc 151, which is higher than the high-pressure water outlet 112, is plugged at the medium-pressure water outlet 111, the first magnet 119 and the second magnet are mutually magnetically attracted, and therefore the stability of the position of the upper sealing plug 15 is ensured when the water pressure fluctuates, and at the moment, the compression spring 12 is in a compression state; the high-pressure water flows out of the high-pressure water outlet 112 and then enters the water flow ejector 2, so that the water flow is ejected for irrigation. Meanwhile, in order to ensure that the space where the compression spring 12 is located can be compressed, a plurality of balance air holes may be provided on the top wall of the outer case 11, and the balance air holes communicate with the outside air.
The above examples are merely for clearly illustrating the examples and are not intended to limit the embodiments; and are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this technology may be resorted to while remaining within the scope of the technology.
Claims (10)
1. The utility model provides a shunt that water conservation irrigation used which characterized in that: comprises an outer shell (11), an upper sealing plug (15), a lower sealing plug (13) and a water inlet coil pipe (14); a diversion cavity is arranged in the outer shell (11), a water inlet (116), and a high-pressure water outlet (112), a medium-pressure water outlet (111) and a low-pressure water outlet (113) which are respectively communicated with the upper part, the middle part and the bottom of the diversion cavity are arranged on the outer shell (11); the upper sealing plug (15) is arranged in the diversion cavity in a sliding manner, and the upper sealing plug (15) comprises an upper sealing disc (151), a connecting column (153) and a lower sealing disc (154); the upper sealing disc (151) and the lower sealing disc (154) are respectively sealed on the inner side wall of the flow dividing cavity, the connecting column (153) is connected between the upper sealing disc (151) and the lower sealing disc (154) and forms an I shape, and a water inlet hole (152) is formed in the connecting column (153); the water inlet coil (14) comprises an upper coil (141) and a lower coil (142); the upper coil pipe (141) is connected between the water inlet (116) and the upper sealing plug (15) and is communicated with the water inlet hole (152), the upper coil pipe (141) is a hose and can extend and contract for different distances under different water pressures so as to communicate the water inlet hole (152) with the high-pressure water outlet (112) or the medium-pressure water outlet (111); the lower coil pipe (142) is connected between the water inlet (116) and the lower sealing plug (13), and the lower coil pipe (142) is a hose and can be controlled to stretch by water pressure so that the lower sealing plug (13) blocks or opens the low-pressure water outlet (113).
2. The diverter for water saving irrigation according to claim 1, wherein: a compression spring (12) is arranged in the outer shell (11), one end of the compression spring (12) is connected to the top of the shunt cavity, and the other end of the compression spring (12) is suspended; when the upper sealing plug (15) moves upwards to the position where the water inlet hole (152) is communicated with the medium-pressure water outlet (111), the other end of the compression spring (12) is propped against the upper sealing disc (151).
3. The diverter for water saving irrigation according to claim 2, wherein: a first magnet (119) is fixed at the center of the compression spring (12), and a second magnet which is magnetically attracted with the first magnet (119) is arranged on the upper sealing disc (151); when the first magnet (119) and the second magnet are magnetically attracted, the upper sealing plug (15) moves upwards to a position where the water inlet hole (152) is communicated with the high-pressure water outlet (112), and at the moment, the compression spring (12) is in a compressed state.
4. The diverter for water saving irrigation according to claim 1, wherein: a pressure maintaining branch (117) is connected in parallel to the water inlet (116), and the pressure maintaining branch (117) is communicated with the space below the lower sealing disc (154); a gap is formed between the lower sealing plug (13) and the inner side wall of the flow divider (1), and the gap is smaller than the water flow of the water inlet (116) and the pressure maintaining branch (117).
5. The diverter for water saving irrigation according to claim 4, wherein: a jet hole is arranged on the back side of the lower sealing plug (13), and the jet hole is communicated with the lower coil pipe (142); a conical part (118) is arranged at the lower part of the outer shell (11), and the low-pressure water outlet (113) is positioned at the lower part of the conical part (118); the jet hole can spray water away from the lower sealing plug (13) to press the lower sealing plug (13) against the cone (118) to block the low pressure water outlet (113).
6. The diverter for water saving irrigation according to claim 4, wherein: a disc spring piece (16) is connected to a gap between the lower sealing plug (13) and the inner side wall of the flow divider (1), and a hole for water to pass through is formed in the disc spring piece (16).
7. The diverter for water saving irrigation according to any one of claims 1-6, wherein: the top of the outer shell (11) is provided with a threaded connection part (115), the threaded connection part (115) is fixedly connected with a vertical pipeline, the upper end of the pipeline is fixedly connected with a water flow ejector (2), and the high-pressure water outlet (112) is communicated with the pipeline.
8. The diverter for water saving irrigation according to claim 7, wherein: the ground inserting pipeline (3) is connected to a low-pressure water outlet (113) at the bottom of the outer shell (11), the lower end of the ground inserting pipeline (3) is sharp and can be inserted and erected on the ground, the upper end of the ground inserting pipeline (3) is in threaded connection with the low-pressure water outlet (113), and a plurality of water seepage holes are formed in the pipe wall of the ground inserting pipeline (3).
9. A water-saving irrigation system is characterized in that: comprising a flow divider (1) according to claim 8; the water supply system also comprises a water inlet main pipe (4), a water inlet branch pipe (41), a water outlet branch pipe (5) and an irrigation branch pipe (51); different contour lines are selected in the area to be planted, a plurality of flow dividers (1) are arranged on each contour line, a water inlet branch pipe (41) is connected with all the flow dividers (1) on the same contour line, and a water inlet main pipe (4) is communicated with all the water inlet branch pipes (41); the medium-pressure water outlet (111) of each flow divider (1) is connected with a water outlet branch pipe (5), the two sides of each water outlet branch pipe (5) are provided with a plurality of irrigation branch pipes (51), the pipe wall of each irrigation branch pipe (51) is provided with a water leakage hole, and a planting pit (6) for green planting is arranged between two adjacent irrigation branch pipes (51) on the same side of the water outlet branch pipe (5).
10. The water-saving irrigation system as recited in claim 9, wherein: treat that the earth's surface department of planting region covers has plastic film (7), plastic film (7) include lower floor's plastic film (71) and upper mulching film (72), and water inlet header pipe (4), branch pipe (41) of intaking, play water branch pipe (5) and irrigation branch pipe (51) all are located between lower floor's plastic film (71) and upper mulching film (72), are provided with a plurality of pores on lower floor's plastic film (71), and upper mulching film (72) are provided with planting hole corresponding planting hole (6) department.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110797682.3A CN113349032A (en) | 2021-07-14 | 2021-07-14 | Flow divider for water-saving irrigation and irrigation system thereof |
| CN2021107976823 | 2021-07-14 |
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| Publication Number | Publication Date |
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| CN114041400A true CN114041400A (en) | 2022-02-15 |
| CN114041400B CN114041400B (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110797682.3A Pending CN113349032A (en) | 2021-07-14 | 2021-07-14 | Flow divider for water-saving irrigation and irrigation system thereof |
| CN202111333407.2A Active CN114041400B (en) | 2021-07-14 | 2021-11-11 | Flow divider for water-saving irrigation and irrigation system thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110797682.3A Pending CN113349032A (en) | 2021-07-14 | 2021-07-14 | Flow divider for water-saving irrigation and irrigation system thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951106A (en) * | 2021-11-27 | 2022-01-21 | 山东水利职业学院 | Hydraulic engineering irrigation system |
| CN117307754A (en) * | 2022-02-28 | 2023-12-29 | 中国农业科学院农田灌溉研究所 | Automatic water flow switching valve |
| CN115005058B (en) * | 2022-06-28 | 2024-04-16 | 南昌工程学院 | Three-dimensional compound planting irrigation system |
| CN115136873B (en) * | 2022-07-25 | 2023-05-26 | 河北省农林科学院旱作农业研究所 | Intelligent irrigation system and water and fertilizer integration method |
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| US4609006A (en) * | 1984-11-29 | 1986-09-02 | American Standard Inc. | Diverter |
| US6371390B1 (en) * | 2000-08-21 | 2002-04-16 | Amir Cohen | Drip irrigation hose and method of making same |
| JP2005248463A (en) * | 2004-03-02 | 2005-09-15 | Techno Sakato:Kk | Water sprinkling device for disassembling structure |
| CN205611439U (en) * | 2016-05-03 | 2016-10-05 | 马龙龙腾科技开发有限公司 | Novel three -dimensional drip irrigation system |
| CN109937850A (en) * | 2019-03-28 | 2019-06-28 | 新疆农垦科学院 | Irrigation rig |
| CN112718278A (en) * | 2020-12-28 | 2021-04-30 | 新昌县金瓯新能源科技有限公司 | Energy-saving irrigation spray head |
| CN112747145A (en) * | 2021-01-13 | 2021-05-04 | 成都德慧美科技有限公司 | Pressure control valve for agricultural spraying and irrigating dual-purpose and system thereof |
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2021
- 2021-07-14 CN CN202110797682.3A patent/CN113349032A/en active Pending
- 2021-11-11 CN CN202111333407.2A patent/CN114041400B/en active Active
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| US4609006A (en) * | 1984-11-29 | 1986-09-02 | American Standard Inc. | Diverter |
| US6371390B1 (en) * | 2000-08-21 | 2002-04-16 | Amir Cohen | Drip irrigation hose and method of making same |
| JP2005248463A (en) * | 2004-03-02 | 2005-09-15 | Techno Sakato:Kk | Water sprinkling device for disassembling structure |
| CN205611439U (en) * | 2016-05-03 | 2016-10-05 | 马龙龙腾科技开发有限公司 | Novel three -dimensional drip irrigation system |
| CN109937850A (en) * | 2019-03-28 | 2019-06-28 | 新疆农垦科学院 | Irrigation rig |
| CN112718278A (en) * | 2020-12-28 | 2021-04-30 | 新昌县金瓯新能源科技有限公司 | Energy-saving irrigation spray head |
| CN112747145A (en) * | 2021-01-13 | 2021-05-04 | 成都德慧美科技有限公司 | Pressure control valve for agricultural spraying and irrigating dual-purpose and system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114041400B (en) | 2022-10-14 |
| CN113349032A (en) | 2021-09-07 |
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