CN101584294B - Non-pump constant flow low pressure drip irrigation device - Google Patents
Non-pump constant flow low pressure drip irrigation device Download PDFInfo
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- CN101584294B CN101584294B CN2009100334105A CN200910033410A CN101584294B CN 101584294 B CN101584294 B CN 101584294B CN 2009100334105 A CN2009100334105 A CN 2009100334105A CN 200910033410 A CN200910033410 A CN 200910033410A CN 101584294 B CN101584294 B CN 101584294B
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Abstract
The invention discloses a non-pump constant flow low pressure drip irrigation device, comprising a main tube, a branch tube, a hair canal, a bypass closed hose, a micro path emitter, a support, a water tank, a main tube water pressure regulating mechanism and a branch tube water pressure regulating mechanism. Compared with the prior art, the invention has the advantages of stable pressure, energy saving, water saving, low costs, high irrigation evenness. The power for continuous irrigation is provide by a gravity flow generated from the water head of the water tank on high without a water pump. The main tube water pressure regulating mechanism regulates the water flow at the mouth of the main tube and the branch tube water pressure regulating mechanism ensures the work pressure at the inlet end of the hair canal to be constant, thus reducing the head loss. The bypass closed hose and an adjustable support arranged at the micro path emitter guarantee the outflow rate of each emitter along the hair canal to be equal. Therefore, the device has a good irrigation effect and is suitable for using in wide countryside.
Description
Technical field
The present invention be directed to small farmland massif, provide in dry pump under the situation of power, utilize apparatus of the present invention can implement evenly to irrigate automatically.It belongs to the agricultural water-saving irrigation technical field.
Background technology
Existing low pressure drip irrigation technique is to rely on water pump to provide continuous flow dynamic to carry out the low pressure drip irrigation, at hollow billet along in the journey dripping irrigation process because the loss of flood peak of current in the pipeline, make hollow billet along each water dropper point pressure of journey along Cheng Bianhua, cause each water dropper outflow to differ in size, uniformity of irrigation water appilcation is relatively poor.Under low pressure, existing drip irrigation technique not energy-conservation (because water pump continuous operation), and irrigation uniformity, irrigation quality be not as the normal pressure drip irrigation, and normal pressure drip irrigation cost height is difficult to large tracts of land and promotes in China rural area.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned the deficiencies in the prior art, and a kind of water pump that do not need of invention provides continuous power, and hollow billet each water dropper flow along the line equates, the high and lower-cost non-pump constant flow low pressure drip irrigation device of irrigation uniformity.
For solving technical problem proposed by the invention, technical solution of the present invention: a kind of non-pump constant flow low pressure drip irrigation device, comprise main, arm, hollow billet, the closed flexible pipe of bypass, micro path emitter and support, also comprise water storage box, water pressure in main pipe governor motion and arm hydraulic pressure governor motion, described water pressure in main pipe governor motion comprises the water transfer case, permanent water level case, between described water transfer case and permanent water level case, be provided with a unidirectional water intaking valve, in described water transfer case, also be provided with a moisturizing switch, described water storage box is arranged on the upper end of water transfer case and links to each other with the water transfer case by described moisturizing switch, make described permanent water level case water level constant, described permanent water level case also comprises a delivery port, the water inlet of described main is connected with this delivery port, described arm hydraulic pressure governor motion is arranged between the delivery port and hollow billet of arm, this arm hydraulic pressure governor motion comprises: secondary water transfer case, secondary permanent water level case, between described secondary water transfer case and secondary permanent water level case, be provided with a secondary unidirectional water intaking valve, also being provided with a secondary moisturizing switch in described secondary water transfer case makes described secondary permanent water level case water level constant, described secondary permanent water level case also comprises a delivery port, the water inlet of described hollow billet is connected with this delivery port, described hollow billet is provided with the closed flexible pipe of some adjustable for height bypass, and described micro path emitter promptly is arranged on this flexible pipe.
The closed flexible pipe water dropper of described bypass place is placed on the adjustable for height support.
The adjustable support height at the closed flexible pipe water dropper of described bypass place reduces to the water side gradually from the water inlet of hollow billet.
Described micro path emitter outlet diameter is 5～7 times of microtubule pipe shaft diameter.
Non-pump constant flow low pressure drip irrigation device of the present invention, its structure is made up of three parts: water supply part, pipe network part and water dropper part.Be divided into water pressure in main pipe governor motion and arm hydraulic pressure governor motion at water supply part, water through artificial adding or running water adding water storage box, in the water pressure in main pipe governor motion, enter the water transfer case by the moisturizing switch, when the water level in the water transfer case was higher than the position of unidirectional water intaking valve, the water in the water transfer case entered the constant water level case.When the water level in the water transfer case is lower than or reach moisturizing switch floating block, moisturizing switch opens or close; During water level in the water level in the water transfer case is higher or lower than the constant water level case, unidirectional water intaking valve opens or closes; In arm hydraulic pressure governor motion, the arm water pipe supplies water to secondary water transfer case, and by secondary unidirectional water intaking valve, the water level of keeping secondary constant water level case is constant.In the pipe network part, adopting the tree-shaped pipe network of likeness in form real is the pipeline of single structure.The arm hydraulic pressure governor motion of the similar water pressure in main pipe governor motion of ting model is set in each hollow billet stem.In the water dropper part, syringe needle shape micro path emitter is connected with the closed flexible pipe of bypass and is positioned on the adjustable support, and adjustable support can raise or reduce the height of water dropper.
Compared with prior art, advantage of the present invention: this device is energy-conservation, cost is lower, irrigation uniformity is higher, suits to promote in vast rural area.Under the dry pump situation, rely on the water-head of eminence water storage box to produce gravity current, provide continuous irrigation required power.Water pressure in main pipe governor motion and arm hydraulic pressure governor motion play the discharge of regulating the main mouth of pipe respectively and the arrival end operating pressure that guarantees hollow billet is constant, reduce its loss of flood peak.Micro path emitter on closed flexible pipe of bypass and the adjustable support thereof guaranteed that the outflow of hollow billet each water dropper along the line equates, so irrigation effect is good.
Description of drawings
Fig. 1 be do in the water supply part of the present invention, structural representation such as arm hydraulic pressure governor motion.
Fig. 2 is a pipe network horizontal layout schematic diagram of the present invention.
Fig. 3 is the closed flexible pipe connection diagram of micro path emitter of the present invention and bypass.
Wherein: 1, be water storage box, 2, the moisturizing switch, 3, the water transfer case, 4, constant water level case, 5, unidirectional water intaking valve, 6, water (flow) direction, 7, main, 8, arm, 9, the arm water pipe, 10, secondary moisturizing switch, 11, secondary water transfer case, 12, secondary constant water level case, 13, secondary unidirectional water intaking valve, 14, hollow billet, 15, the closed flexible pipe of bypass, 16, micro path emitter, 17, adjustable support.
Embodiment
Contrast accompanying drawing 1, water storage box 1 is arranged on water transfer case 3 tops, and the other end of moisturizing switch 2 links to each other with water storage box 1 through conduit, and moisturizing switch 2 is positioned at water transfer case 3, between water transfer case 3 and permanent water level case 4, unidirectional water intaking valve 5 is set, the main 7 of the flow direction accompanying drawing 2 of water (flow) direction 6.The main 7 of accompanying drawing 2 links to each other with arm 8, arm 8 is provided with arm hydraulic pressure governor motion with the intersection of hollow billet 14 in the accompanying drawing 2, the water of arm 8 flows into the arm water pipe 9 of accompanying drawing 1, secondary constant water level case 12 links to each other with hollow billet 14, the closed flexible pipe 15 of bypass is installed on the hollow billet 14, and micro path emitter 16 is installed on the closed flexible pipe 15 of bypass and is placed on the adjustable support 17.
The course of work: water consumption is designed in the plot be stored in the water storage box 1, water in the water storage box 1 relies on gravity to flow into water transfer case 3, and the water level in the water transfer this moment case 3 is rising, when water level rises to unidirectional water intaking valve 5 positions, unidirectional water intaking valve 5 is opened, and current flow into constant water level case 4; This moment, water level in the water transfer case 3 is higher than the water level of constant water level case 4, and the water level in the water transfer case 3 and the water level of constant water level case 4 together go up, when the water level in the water transfer case 3 is raised to moisturizing switch 2, moisturizing switch 2 cuts out, water storage box 1 stops to supply water, and the water level in the water transfer case 3 continues to supply water to constant water level case 4 because of the water level that is higher than constant water level case 4; This moment, the water levels in the water transfer case 3 begin to descend and be lower than moisturizing switch 2, and moisturizing switch 2 is opened, and water storage box 1 continues again to supply water to water transfer case 3, and through moisturizing switch 2 open and close processes repeatedly, it is constant that the water level of last constant water level case 4 keeps.The action principle and the main water level governor motion of arm water level governor motion are similar, supply water by the secondary water transfer case 11 of arm water pipe 9 to arm water level governor motion, and the water level of keeping secondary constant water level case 12 by secondary unidirectional water intaking valve 13 are constant.When the water level of constant water level case 4 and secondary constant water level case 12 keeps constant, water dropper 16 is started working, main 7 and the interior of arm 8 are controlled the flow that all water dropper 16 water outlet total flows are provided to arm hydraulic pressure governor motion less than the water pressure in main pipe governor motion through carrying out minimum of a value.Head with water dropper adjustable support 17 adjusting water droppers 16 EXIT POINTs partly makes the working head of each water dropper identical, impels the outflow of each water dropper to equate, thereby has changed the not high situation of uniformity of irrigation water appilcation under the present low pressure, has improved irrigation quality.
Claims (2)
1. non-pump constant flow low pressure drip irrigation device, comprise main (7), arm (8), hollow billet (14), the closed flexible pipe (15) of bypass, micro path emitter (16) and adjustable support (17), it is characterized in that: also comprise water storage box (1), water pressure in main pipe governor motion and arm hydraulic pressure governor motion, described water pressure in main pipe governor motion comprises water transfer case (3), permanent water level case (4), between described water transfer case (3) and permanent water level case (4), be provided with a unidirectional water intaking valve (5), in described water transfer case (3), also be provided with a moisturizing switch (2), described water storage box (1) is arranged on the upper end of water transfer case (3) and links to each other with water transfer case (3) by described moisturizing switch (2), make described permanent water level case (4) water level constant, described permanent water level case (4) also comprises a delivery port, the water inlet of described main (7) is connected with this delivery port, described arm hydraulic pressure governor motion is arranged between the delivery port and hollow billet (14) of arm (8), this arm hydraulic pressure governor motion comprises: secondary water transfer case (11), secondary permanent water level case (12), between described secondary water transfer case (11) and secondary permanent water level case (12), be provided with a secondary unidirectional water intaking valve (13), also being provided with a secondary moisturizing switch (10) in described secondary water transfer case (11) makes described secondary permanent water level case (12) water level constant, described secondary permanent water level case (12) also comprises a delivery port, the water inlet of described hollow billet (14) is connected with this delivery port, described hollow billet (14) is provided with the closed flexible pipe (15) of some adjustable for height bypass, described micro path emitter (16) is arranged on the closed flexible pipe of this bypass (15), micro path emitter (16) on the closed flexible pipe of described bypass (15) is arranged on the described adjustable support (17), and described adjustable support (17) is an adjustable for height support.
2. non-pump constant flow low pressure drip irrigation device according to claim 1 is characterized in that: adjustable support (17) height that described micro path emitter (16) is located to be provided with reduces to the water side gradually from the water inlet of hollow billet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100334105A CN101584294B (en) | 2009-06-19 | 2009-06-19 | Non-pump constant flow low pressure drip irrigation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100334105A CN101584294B (en) | 2009-06-19 | 2009-06-19 | Non-pump constant flow low pressure drip irrigation device |
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| Publication Number | Publication Date |
|---|---|
| CN101584294A CN101584294A (en) | 2009-11-25 |
| CN101584294B true CN101584294B (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100334105A Expired - Fee Related CN101584294B (en) | 2009-06-19 | 2009-06-19 | Non-pump constant flow low pressure drip irrigation device |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939888A (en) * | 2012-10-31 | 2013-02-27 | 河海大学 | Pumpless float type constant and uniform low-pressure trickle irrigation device |
| CN102995701B (en) * | 2012-12-05 | 2014-11-19 | 河海大学 | Irrigation water source system device capable of accumulating and filtering slope runoff |
| CN105075802A (en) * | 2015-07-28 | 2015-11-25 | 余启佳 | Automatic regular quantitative spray irrigation device for garland chrysanthemum planting |
| CN105230443A (en) * | 2015-11-02 | 2016-01-13 | 深圳文科园林股份有限公司 | Method for simultaneously irrigating multistage slopes |
| CN105494037A (en) * | 2016-01-28 | 2016-04-20 | 谭朝晖 | Watering device for controlling flow velocity by utilizing potential difference pressure and liquid surface tension |
| CN106171673A (en) * | 2016-08-31 | 2016-12-07 | 安徽省农业科学院棉花研究所 | Crop water control system in booth |
| CN111109047A (en) * | 2020-02-21 | 2020-05-08 | 周能为 | Agricultural automatic accurate irrigation system |
| CN111528065B (en) * | 2020-06-11 | 2021-12-28 | 深圳市诠绿建设发展有限公司 | Automatic irrigation equipment for garden planting |
| CN111919725A (en) * | 2020-08-28 | 2020-11-13 | 河西学院 | Low-pressure gravity infiltration irrigation system suitable for northwest arid region and use method thereof |
| CN112673935B (en) * | 2020-12-24 | 2023-03-17 | 华北水利水电大学 | Ecological agriculture water-saving irrigation system |
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2009
- 2009-06-19 CN CN2009100334105A patent/CN101584294B/en not_active Expired - Fee Related
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| CN101584294A (en) | 2009-11-25 |
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