CN104154302A - Hydrodynamic timing valve control irrigation system - Google Patents
Hydrodynamic timing valve control irrigation system Download PDFInfo
- Publication number
- CN104154302A CN104154302A CN201410369708.4A CN201410369708A CN104154302A CN 104154302 A CN104154302 A CN 104154302A CN 201410369708 A CN201410369708 A CN 201410369708A CN 104154302 A CN104154302 A CN 104154302A
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- China
- Prior art keywords
- valve
- passage
- hydrodynamic
- spool
- water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/48—Mechanical actuating means actuated by mechanical timing-device, e.g. with dash-pot
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
Abstract
The invention discloses a hydrodynamic timing valve control irrigation system. The technical scheme includes that the mechanical type hydrodynamic timing valve control irrigation system comprises a water source, mechanical hydrodynamic timing valves and field pipelines connected with the water source. The field pipeline corresponding to each rotation irrigation area is provided with one mechanical hydrodynamic timing valve composed of a miniature two-position three-way reversing valve, a three-way valve, a mechanical gear type timer and a floater trigger timer connecting device. The hydrodynamic timing valve control irrigation system is simple in structure, reasonable in design, easy to realize and low in cost and provides a convenient and accurate hydrodynamic timing valve control device applicable to various irrigation systems.
Description
Technical field
The invention belongs to field irrigation technical field, be specifically related to a kind of hydrodynamic(al) Timed valve and control irrigation system.
Background technique
Land for growing field crops irrigation system is mainly comprised of several parts such as water source, water pump, stem system, valve and pipelines.Different according to plot subregion, at each, take turns irrigated area and pre-set valve executing man-hour requirement, by the keying of valve, control end irrigation conduit.In existing farm irrigation system, comprise flood irrigation, sprinkling irrigation and drip irrigation, all adopt rotation flow to irrigate, by dividing rotation flow community, irrigate in order, the two kinds of modes that mainly contain are controlled at each water source, rotation flow community, a kind of is manual type, the plot that needs are irrigated, the artificial valve that is arranged in the edge of a field of opening, irrigate the regular hour, after irrigation, close current plot valve, then arrive valve place, next plot, Open valve is irrigated, the main drawback of this mode is to lose time and manpower, each Open valve, all need People's Bank of China to valve place to open, then regularly, after time arrives, also to walk to again this place, throttle down, walking to next valve place opens again, for large size plot, can make like this guard bother very much, and usually because the time is controlled bad, do not cause each rotation flow community irrigation quantity not etc.Another kind of control mode is automatic control, can adopt solenoid electric valve, when pipeline construction, control cable is together imbedded, and by the terminal control system of stem, each valve opening and closing of telecontrol.Also the peasant household having adopts dryelement cell control valve, without wiring, only needs periodic replacement battery to can be valve power is provided.Though these two kinds of control modes can reduce human intervention, but also there is its drawback, first, automatic control system is compared to manual control, and cost is very high, and construction requirement is strict, stability is affected by environment larger, the good system major part of domestic use is external imported product, strong to supplier's service and technical support dependence, so in practice also in the stage at the early-stage.Therefore, the present invention is directed to large size field irrigation has designed and a kind ofly without human intervention and the hydrodynamic(al) Timed valve supplied with without extra power, has controlled irrigation system.
Summary of the invention
The technical problem that the present invention solves has been to provide a kind of mechanical type hydrodynamic(al) Timed valve that uses manpower and material resources sparingly, reduces human intervention and supply with without extra power and has controlled irrigation system.
Technological scheme of the present invention is: a kind of mechanical type hydrodynamic(al) Timed valve is controlled irrigation system, comprise the field pipeline that He Yu water source, water source is connected, it is characterized in that: on the corresponding field pipeline in each rotation flow community, be respectively equipped with hydrodynamic(al) Timed valve, described hydrodynamic(al) Timed valve is mainly by miniature two-bit triplet selector valve, three-way valve, mechanical gear formula timer and ball float trigger timer connection set and form, wherein three-way valve comprises valve gap, valve body and be arranged at the water-inlet cavity on valve body, water chamber and irrigation chamber, the inside of valve body is provided with connection water-inlet cavity, water chamber and the valve pocket of irrigating chamber, the top of valve pocket is provided with spacing block and barrier film successively, middle part at spacing block and barrier film is respectively equipped with through hole, between the top of barrier film and valve gap, be fixed with spring, described valve pocket inside is provided with for water chamber and irrigates the spool that shutoff is switched in chamber, this spool is successively through spacing block and barrier film, the lower end of spring is fixed on the top of spool, the both sides up and down of barrier film are equipped with a fastening copper coin, nut screwing clamping by spool top, make fully to contact between barrier film and fastening copper coin, described miniature two-bit triplet selector valve comprises microvalve body, miniature spool, microsprings and be arranged at the N passage in microvalve body, M passage and R passage, wherein N passage is connected with the control chamber between heat-insulating block in three-way valve and barrier film by connecting tube, M passage is connected with the water-inlet cavity in three-way valve by connecting tube, R passage is connected with ambient atmosphere, described miniature spool is arranged in microvalve body and is connected with the microsprings that is fixed on microvalve body end, miniature spool is provided with the through hole that is communicated with N passage and R passage or N passage and M passage, miniature spool and microvalve body sealing are slidably matched, outside at miniature spool is hinged with lever, described mechanical gear formula timer comprises regularly knob, punch holder, die holder, gear train, ratchet and is fixed on die holder below and the groove type triggering dish coaxial with timing knob, and this groove type triggering dish is pressed on the sidewall of groove type triggering dish with the lever positions end relative and lever being connected in microvalve body, described ball float triggers timer connection set and comprises cam, ratchet lever, connecting rod, spherical joint connection set and ball float, the top of connecting rod is fixed in one end of its cam, the other end is provided with the ratchet lever rotating for limiting ratchet, connecting rod is arranged at the both sides of spherical joint connection set, the lower end of connecting rod is provided with ball float, and described ball float triggers regularly connection set and is sealingly fastened on the tube wall of three-way valve water-inlet cavity by spherical joint connection set.
Spherical joint connection set of the present invention comprises outside screw, inner screw and spherical joint, wherein the two ends up and down of spherical joint are fixed with connecting rod, spherical joint is sealingly fastened between outside screw and inner screw, and outside screw is bolted in the screw of three-way valve water-inlet cavity tube wall.
The present invention is simple in structure, reasonable in design, be easy to realize and with low cost, and a kind of convenient hydrodynamic(al) of mechanical type accurately Timed valve control gear can be provided, and is applicable to various irrigation systems.
Accompanying drawing explanation
Fig. 1 is that system operation of the present invention forms schematic diagram, Fig. 2 is the structural representation of mechanical type hydrodynamic(al) Timed valve in the present invention, Fig. 3 is the structural representation of three-way valve in the present invention, Fig. 4 is the structural representation of miniature two-bit triplet selector valve in the present invention, Fig. 5 is the operation schematic diagram of concave slot type triggering dish of the present invention, Fig. 6 is the structural representation that in the present invention, ball float triggers timer connection set, and Fig. 7 is the structural representation of spherical joint connection set in the present invention.
Drawing explanation: 1, water source, 2, field pipeline, 3, rotation flow community, 4, mechanical type timing valve, 5, miniature two-bit triplet selector valve, 6, three-way valve, 7, mechanical gear formula timer, 8, ball float triggers timer connection set, 9, valve body, 10, water-inlet cavity, 11, water chamber, 12, irrigate chamber, 13, valve pocket, 14, spacing block, 15, barrier film, 16, valve gap, 17, spring, 18, spool, 19, fastening copper sheet, 20, microvalve body, 21, miniature spool, 22, microsprings, 23, N passage, 24, M passage, 25, R passage, 26, connecting tube, 27, lever, 28, timing knob, 29, ratchet, 30, groove type triggering dish, 31, cam, 32, ratchet lever, 33, connecting rod, 34, spherical joint connection set, 35, ball float, 36, outside screw, 37, inner screw, 38, spherical joint.
Embodiment
Describe by reference to the accompanying drawings embodiment in detail.A kind of hydrodynamic(al) Timed valve is controlled irrigation system, comprise water source 1 and the field pipeline 2 being connected with water source 1, on the corresponding field pipeline 2 in each rotation flow community 3, be respectively equipped with mechanical type hydrodynamic(al) Timed valve 4, described mechanical type hydrodynamic(al) Timed valve 4 is mainly by miniature two-bit triplet selector valve 5, three-way valve 6, mechanical gear formula timer 7 and ball float trigger timer connection set 8 and form, wherein three-way valve 6 comprises valve body 9 and is arranged at the water-inlet cavity 10 on valve body 9, water chamber 11 and irrigation chamber 12, the inside of valve body 9 is provided with and is communicated with water-inlet cavity 10, water chamber 11 and the valve pocket 13 of irrigating chamber 12, the top of valve pocket 13 is provided with spacing block 14 and barrier film 15 successively, middle part at spacing block 14 and barrier film 15 is respectively equipped with through hole, the top of barrier film 15 is fixed with spring 17 by valve gap 16, described valve pocket 13 inside are provided with for water chamber 11 and irrigate chamber 12 switches the spool 18 of shutoff, this spool 18 passes the through hole at spacing block 14 and barrier film 15 middle parts successively, valve gap 16 is withstood on spring 17 tops, spool 18 tops are pushed down in bottom, the fastening copper sheet 19 that is arranged at barrier film both sides Shang Xia 15 clamps barrier film 15, make its sealing water-tight, described miniature two-bit triplet selector valve 5 comprises microvalve body 20, miniature spool 21, microsprings 22 and is arranged at N passage 23, M passage 24 and the R passage 25 in microvalve body 20, wherein N passage 23 is connected with the control chamber between spacing block 14 in three-way valve 6 and barrier film 15 by connecting tube 26, M passage 24 is connected with the water-inlet cavity 10 in three-way valve 6 by connecting tube 26, and R passage 25 is connected with ambient atmosphere.Miniature spool 21 is arranged in microvalve body 20 and is connected with the microsprings 22 that is fixed on microvalve body 20 ends, miniature spool 21 is provided with the through hole that is communicated with N passage 23 and R passage 25 or N passage 23 and M passage 24, miniature spool 21 is slidably matched with microvalve body 20 sealings, in the outside of miniature spool 21, is hinged with lever 27, described mechanical gear formula timer 7 comprises regularly knob 28, gear train, ratchet 29 and the groove type triggering dish 30 coaxial with timing knob 28, and this groove type triggering dish 30 is pressed on the sidewall of groove type triggering dish 30 with the lever 27 positions end relative and lever 27 being connected in microvalve body 20, described ball float triggers timer connection set 8 and comprises cam 31, ratchet lever 32, connecting rod 33, spherical joint connection set 34 and ball float 35, the central rotating shaft of its cam 31 is fixed between the upper die holder of timer, the top of connecting rod 33 is fixed in one end, the other end is provided with the ratchet lever 32 rotating for limiting ratchet 29, connecting rod 33 is fixed on the both sides of spherical joint connection set 34, the lower end of connecting rod 33 is provided with ball float 35, described ball float triggers regularly connection set 8 and is sealingly fastened on the tube wall of three-way valve 6 water-inlet cavitys 10 by spherical joint connection set 34.
Spherical joint connection set 34 of the present invention comprises outside screw 36, inner screw 37 and spherical joint 38, wherein spherical joint is fixed with connecting rod 33 in two ends Shang Xia 38, spherical joint 38 is sealingly fastened between outside screw 36 and inner screw 37, and outside screw 36 is bolted in the screw of three-way valve 6 water-inlet cavity 10 tube walls.
In running of the present invention, first, before irrigation, first each rotation flow community irrigation time is calculated, determine after the time, by whole disposable time that is set as calculating of mechanical type hydrodynamic(al) Timed valve.Under normal state, floating ball device is in vertical state, and the ratchet lever of timer just in time blocks ratchet, only allows direction of ratchet to rotate, i.e. timing direction.Rotary timing knob carries out timing, after setting, timer gear group, due to the effect of ratchet lever, can't start to rotate regularly immediately, and only have after water inlet direction water, the impact force of water promotes ball float, and spherical joint connection set can rotate freely, an angle of spherical joint connection set top connecting rod actuating cam rotation, due to leverage, ratchet lever leaves original position, and ratchet can rotate, and timing starts.Above rotary timer regularly in knob, because the groove type triggering dish of the central shaft of knob and timer bottom coaxially and simultaneously rotates, rotation knob, groove type triggering dish can be followed rotation, leverage end departs from groove, can promote the movement of the miniature spool of two-bit triplet selector valve, miniature spool moves compression inside micro spring, changed the connection position of three passages simultaneously, from N passage and R channel connection, become M passage and N channel connection, therefore, pressure water enters the control chamber between barrier film and isolation soon, the pressure of water makes barrier film upper and lower surface produce pressure reduction, overcome the resistance of spring, by the barrier film jack-up that makes progress, because spool and the barrier film of three-way valve is fixed together, therefore on spool, move, changed the through-flow state of valve, by A → B, change A → P into.Thus, start this rotation flow community to irrigate, irrigation time is timer set time.After irrigation set time finishes, lever end falls back to suddenly in the groove of groove type triggering dish, under the active force of miniature two-bit triplet selector valve inside micro spring, miniature spool moves to left, change inner flow passage state, from M → N, through-flow to become N → R through-flow, now, control chamber due to N channel connection three-way valve, water in control chamber just flows away by R passage, control chamber pressure release, three-way valve barrier film is under the effect of top spring, band movable valve plug moves down together, streamflow regime changes A → B into by A → P, thus, continue to flow in current direction downstream, arrive after next valve, touch ball float, carry out next one circulation.Wherein, groove type triggering dish and lever end are sphere-contact, are mainly in order to reduce frictional force between the two, and timer gear system motion resistance is reduced, regularly more accurate.After the good timer of preliminary settlement, just can open water pump, supply water.
Outside screw upper end in spherical joint connection set is outer-hexagonal structure, and convenient wrench clamps, and the internal surface screw thread of lower end is for being connected with inner screw, and outer surface thread is for being connected with water-inlet cavity tube wall.Spherical joint is connected closely with outside screw, inner screw, both can rotate, and plays again sealing effect.Spherical joint interior bone is and is threaded with upper and lower connecting rod, facilitates the installation of upper and lower connecting rod.During installation, first outside screw, spherical joint and inner screw are installed, then with spanner, three is screwed in to water-inlet cavity tube wall together, after fixation, finally install again, lower connecting rod.This structure convenient disassembly, is convenient to adjust position, and can play sealing effect by smooth fine finishing sealing surfaces.
More than show and described basic principle of the present invention, major character and advantage, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall into claimed scope of the present invention.
Claims (2)
1. a hydrodynamic(al) Timed valve is controlled irrigation system, comprise water source, hydrodynamic(al) Timed valve and field pipeline, it is characterized in that: on the corresponding field pipeline in each rotation flow community, be respectively equipped with mechanical type hydrodynamic(al) Timed valve, described mechanical type hydrodynamic(al) Timed valve is mainly by miniature two-bit triplet selector valve, three-way valve, mechanical gear formula timer and ball float trigger timer connection set and form, wherein three-way valve comprises valve gap, valve body and be arranged at the water-inlet cavity on valve body, water chamber and irrigation chamber, the inside of valve body is provided with connection water-inlet cavity, water chamber and the valve pocket of irrigating chamber, the top of valve pocket is provided with spacing block and barrier film successively, middle part at spacing block and barrier film is respectively equipped with through hole, between the top of barrier film and valve gap, be fixed with spring, described valve pocket inside is provided with for water chamber and irrigates the spool that shutoff is switched in chamber, this spool is successively through spacing block and barrier film, the lower end of spring is fixed on the top of spool, the both sides up and down of barrier film are equipped with a fastening copper coin, nut screwing clamping by spool top, make fully to contact between barrier film and fastening copper coin, described miniature two-bit triplet selector valve comprises microvalve body, miniature spool, microsprings and be arranged at the N passage in microvalve body, M passage and R passage, wherein N passage is connected with the control chamber between spacing block in three-way valve and barrier film by connecting tube, M passage is connected with the water-inlet cavity in three-way valve by connecting tube, R passage is connected with ambient atmosphere, described miniature spool is arranged in microvalve body and is connected with the microsprings that is fixed on microvalve body end, miniature spool is provided with the through hole that is communicated with N passage and R passage or N passage and M passage, miniature spool and microvalve body sealing are slidably matched, outside at miniature spool is hinged with lever, described mechanical gear formula timer comprises regularly knob, punch holder, die holder, gear train, ratchet and is fixed on die holder below and the groove type triggering dish coaxial with timing knob, and this groove type triggering dish is pressed on the sidewall of groove type triggering dish with the lever positions end relative and lever being connected in microvalve body, described ball float triggers timer connection set and comprises cam, ratchet lever, connecting rod, spherical joint connection set and ball float, the top of connecting rod is fixed in one end of its cam, the other end is provided with the ratchet lever rotating for limiting ratchet, connecting rod is arranged at the both sides of spherical joint connection set, the lower end of connecting rod is provided with ball float, and described ball float triggers regularly connection set and is sealingly fastened on the tube wall of three-way valve water-inlet cavity by spherical joint connection set.
2. mechanical type hydrodynamic(al) Timed valve according to claim 1 is controlled irrigation system, it is characterized in that: described spherical joint connection set comprises outside screw, inner screw and spherical joint, wherein the two ends up and down of spherical joint are fixed with connecting rod, spherical joint is sealingly fastened between outside screw and inner screw, and outside screw is bolted in the screw of three-way valve water-inlet cavity tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410369708.4A CN104154302B (en) | 2014-07-31 | 2014-07-31 | A kind of hydrodynamic(al) Timed valve control irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410369708.4A CN104154302B (en) | 2014-07-31 | 2014-07-31 | A kind of hydrodynamic(al) Timed valve control irrigation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154302A true CN104154302A (en) | 2014-11-19 |
| CN104154302B CN104154302B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410369708.4A Expired - Fee Related CN104154302B (en) | 2014-07-31 | 2014-07-31 | A kind of hydrodynamic(al) Timed valve control irrigation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104154302B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104686297A (en) * | 2015-03-06 | 2015-06-10 | 新疆坎儿井灌溉技术有限责任公司 | Control method for rotational irrigation by utilizing hydraulic pressure |
| CN107345592A (en) * | 2017-08-17 | 2017-11-14 | 中国农业科学院农田灌溉研究所 | A kind of irrigation water delivery pipe flow sensing regulating valve |
| CN107940024A (en) * | 2017-12-15 | 2018-04-20 | 扬中市阀门厂有限公司 | A kind of diaphragm type fuel oil Chilly ash three-way valves |
| CN108413113A (en) * | 2018-05-17 | 2018-08-17 | 王亮 | A kind of method of timing automatic valve and the energy saving automatic irrigation using the valve |
| CN109197095A (en) * | 2018-10-15 | 2019-01-15 | 中国农业科学院农田灌溉研究所 | A kind of hydrodynamic(al) reversal valve control fertilization system |
| CN110292020A (en) * | 2019-07-22 | 2019-10-01 | 谢丽娜 | A kind of water injection rate sub-control adjustment equipment |
| CN114159908A (en) * | 2021-11-05 | 2022-03-11 | 胡超群 | Spraying dust removal equipment for construction site |
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| US4351360A (en) * | 1980-12-08 | 1982-09-28 | Sabco Limited | Fluid timer |
| CN2844594Y (en) * | 2005-08-31 | 2006-12-06 | 郑祥波 | Timing converting control valve for irrigating farm field |
| CN102494181A (en) * | 2011-12-13 | 2012-06-13 | 北京林业大学 | Water-saving valve for irrigation |
| CN102563162A (en) * | 2012-02-07 | 2012-07-11 | 中国农业大学 | Timed control irrigation valve |
| EP2557242A1 (en) * | 2011-08-10 | 2013-02-13 | VIEGA GmbH & Co. KG | Manually operated servo valve, in particular for pressure flushing a urinal |
| CN204025865U (en) * | 2014-07-31 | 2014-12-17 | 中国农业科学院农田灌溉研究所 | A kind of hydrodynamic(al) Timed valve control irrigation system |
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2014
- 2014-07-31 CN CN201410369708.4A patent/CN104154302B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351360A (en) * | 1980-12-08 | 1982-09-28 | Sabco Limited | Fluid timer |
| CN2844594Y (en) * | 2005-08-31 | 2006-12-06 | 郑祥波 | Timing converting control valve for irrigating farm field |
| EP2557242A1 (en) * | 2011-08-10 | 2013-02-13 | VIEGA GmbH & Co. KG | Manually operated servo valve, in particular for pressure flushing a urinal |
| CN102494181A (en) * | 2011-12-13 | 2012-06-13 | 北京林业大学 | Water-saving valve for irrigation |
| CN102563162A (en) * | 2012-02-07 | 2012-07-11 | 中国农业大学 | Timed control irrigation valve |
| CN204025865U (en) * | 2014-07-31 | 2014-12-17 | 中国农业科学院农田灌溉研究所 | A kind of hydrodynamic(al) Timed valve control irrigation system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104686297A (en) * | 2015-03-06 | 2015-06-10 | 新疆坎儿井灌溉技术有限责任公司 | Control method for rotational irrigation by utilizing hydraulic pressure |
| CN107345592A (en) * | 2017-08-17 | 2017-11-14 | 中国农业科学院农田灌溉研究所 | A kind of irrigation water delivery pipe flow sensing regulating valve |
| CN107940024A (en) * | 2017-12-15 | 2018-04-20 | 扬中市阀门厂有限公司 | A kind of diaphragm type fuel oil Chilly ash three-way valves |
| CN108413113A (en) * | 2018-05-17 | 2018-08-17 | 王亮 | A kind of method of timing automatic valve and the energy saving automatic irrigation using the valve |
| CN109197095A (en) * | 2018-10-15 | 2019-01-15 | 中国农业科学院农田灌溉研究所 | A kind of hydrodynamic(al) reversal valve control fertilization system |
| CN110292020A (en) * | 2019-07-22 | 2019-10-01 | 谢丽娜 | A kind of water injection rate sub-control adjustment equipment |
| CN110292020B (en) * | 2019-07-22 | 2022-05-31 | 东营联合石化有限责任公司 | Water injection amount sub-control adjusting equipment |
| CN114159908A (en) * | 2021-11-05 | 2022-03-11 | 胡超群 | Spraying dust removal equipment for construction site |
| CN114159908B (en) * | 2021-11-05 | 2023-12-22 | 广东精艺建设集团有限公司 | Spraying dust removal equipment for construction site |
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| Publication number | Publication date |
|---|---|
| CN104154302B (en) | 2016-04-06 |
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