CN110140639A - A kind of protection type drip irrigation equipment with pressure adjusting function - Google Patents

A kind of protection type drip irrigation equipment with pressure adjusting function Download PDF

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Publication number
CN110140639A
CN110140639A CN201910486035.3A CN201910486035A CN110140639A CN 110140639 A CN110140639 A CN 110140639A CN 201910486035 A CN201910486035 A CN 201910486035A CN 110140639 A CN110140639 A CN 110140639A
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CN
China
Prior art keywords
pipeline
shaft
irrigation equipment
shield
slide bar
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Granted
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CN201910486035.3A
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Chinese (zh)
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CN110140639B (en
Inventor
李玉盛
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Guangzhou Songbin Engineering Technology Co Ltd
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Priority to CN201910486035.3A priority Critical patent/CN110140639B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Abstract

The present invention relates to a kind of protection type drip irrigation equipment with pressure adjusting function, including pipeline and at least two drip heads, it further include testing agency and at least two protection mechanisms, the protection mechanism includes shield and at least two mounting assemblies, the testing agency includes connecting shaft, slide bar, second spring, motor-driven valve, sliding sleeve, second contact-making switch, two detection components and two the first contact-making switches, the mounting assembly includes fixed block, connecting rod, first spring and connecting sleeve, the detection components include rotating casing, baffle and drive rod, in the protection type drip irrigation equipment with pressure adjusting function, it can detecte the hydraulic pressure inside pipeline by testing agency, the hydraulic pressure inside pipeline is adjusted simultaneously, improve the trickle irrigation effect of drip irrigation equipment, water flow, which is avoided, by protection mechanism directly impacts soil, The impaired probability of plant root is reduced, the practicability of drip irrigation equipment is improved.

Description

A kind of protection type drip irrigation equipment with pressure adjusting function
Technical field
The present invention relates to water-saving irrigation device field, in particular to a kind of protection type trickle irrigation with pressure adjusting function is set It is standby.
Background technique
Drip irrigation equipment is that water is sent to root of the crop by aperture on diameter about 10mm hollow billet or water dropper using plastic conduit Portion carries out localized irrigation, it is a kind of most effective Water Saving Irrigation Mode of current drought and water-scarce area, and the utilization rate of water is reachable 95%, trickle irrigation relatively sprinkling irrigation has higher water-saving and yield-increasing effect, while can improve one times of fertilizer efficiency or more in conjunction with fertilising.It can fit It is irrigated for fruit tree, vegetables, industrial crops and greenhouse, can also be used for field crop irrigation in the place of drought and water shortage. Its shortcoming is the easy fouling of water dropper and blocking, therefore stringent filtration treatment should be carried out to water source.
The one kind of drip irrigation equipment as irrigation equipment greatly reduces the waste of water resource during irrigating, the prior art Drip irrigation equipment during use, if pipeline inside water pressure is excessive, it will cause drip head leak, setting occurs quick-fried Pipe, if pipeline inside water pressure is too small, it will cause drip head water yield small, extend the trickle irrigation time, reduce drip irrigation equipment It is larger to be moreover easy ejection hydraulic pressure when the pipeline inside water pressure of drip irrigation equipment is excessive, at drip head for trickle irrigation effect Water flow, if soil is more soft, water flow will wash away soil, then can cause to damage to plant root.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of with pressure adjusting The protection type drip irrigation equipment of function.
The technical solution adopted by the present invention to solve the technical problems is: a kind of protection type drop with pressure adjusting function Fill equipment, including pipeline and at least two drip heads, each drip head be arranged in the side of pipeline, further include testing agency and The inside of one end of pipeline, the quantity and trickle irrigation of the protection mechanism is arranged at least two protection mechanisms, the testing agency The quantity of head is equal, and the protection mechanism and drip head correspond, and the protection mechanism is arranged on drip head;
The protection mechanism includes shield and at least two mounting assemblies, and the shape of the shield is cylinder, institute The side for stating shield is equipped with opening, and the shield and drip head are coaxially disposed, and the drip head is arranged in shield Portion, each mounting assembly on the surrounding inner wall that the axis of shield is circumferentially uniformly arranged on shield, the mounting assembly with Drip head connection;
The testing agency includes connecting shaft, slide bar, second spring, motor-driven valve, sliding sleeve, the second contact-making switch, two A detection components and two the first contact-making switches, the axis of the connecting shaft and the axis of pipeline are vertical and intersect, the connection The both ends of axis are fixedly connected with the inner wall of pipeline, two detection components with connect axis connection, two detection components are about even The middle part central symmetry of spindle, the slide bar and pipeline are coaxially disposed, and the close drip head of connecting shaft is arranged in the slide bar Side is fixedly connected in the middle part of one end of the slide bar and connecting shaft, and the slide bar passes through sliding sleeve, the sliding sleeve with Sliding bar connection, the second spring are set on slide bar, and the connecting shaft connects by the way that second spring and sliding sleeve are fixed It connects, the second spring is in tensional state, and two detection components are connect with sliding sleeve, the second contact-making switch setting In the side of the separate connecting shaft of sliding sleeve, second contact-making switch is fixedly connected with slide bar, two the first contact-making switches It is separately positioned on the side of the separate slide bar of two detection components, two the first contact-making switches, which are fixed with the inner wall of pipeline, to be connected It connects.
Preferably, the side of the pipeline is equipped with central control panel, described in order to improve the degree of automation of drip irrigation equipment The inside of central control panel is equipped with PLC, and the central control panel is equipped with display screen and at least two control buttons, first contact Switch, the second contact-making switch, motor-driven valve, display screen and each control button are electrically connected with PLC.
Preferably, in order to improve the stability that shield is connect with drip head, the mounting assembly includes fixed block, connects Extension bar, the first spring and connecting sleeve, the connecting rod is parallel with the axis of shield, one end of the connecting rod and shield The inner wall of one end of separate pipeline be fixedly connected, the other end of the connecting rod passes through the close pipeline of fixed block and shield The inner wall of one end be fixedly connected, the connecting sleeve is fixed on the side of one end of the separate pipeline of drip head, the connection Bar passes through connecting sleeve, and the connecting sleeve is slidably connected with connecting rod, and first spring is set in connecting rod, the company One end of the close pipeline of extension bar is fixedly connected by the first spring with connecting sleeve, and first spring is in tensional state.
Preferably, in order to detect the hydraulic pressure inside pipeline, the detection components include rotating casing, baffle and transmission Bar, the baffle are matched with pipeline, and for the baffle plate setting in the side of connecting shaft, the rotation axis passes through rotating casing, described Baffle is fixedly connected with the side of the close connecting shaft of rotation axis, and the one of the separate connecting shaft of one end and baffle of the drive rod Side is hinged, and the other end and sliding sleeve of the drive rod are hinged.
Preferably, being coated with corrosion-inhibiting coating on the baffle to extend the service life of baffle.
Preferably, in order to improve the stability that sliding sleeve is connect with slide bar, the one of the separate connecting shaft of the slide bar End is equipped with limited block.
Preferably, the rotation axis is equipped with annular groove for the stability for improving rotating casing with connecting axis connection, The inside of annular groove is arranged in the rotating casing.
Preferably, in order to reduce the frictional force between sliding sleeve and slide bar, the making material of the slide bar is stainless Steel.
Preferably, in order to reduce the blocked probability of drip head, one end of the close pipeline of the shield is equipped with filter Net, the strainer are equipped with mounting hole, and the drip head passes through mounting hole.
Preferably, being equipped at the mounting hole of the strainer close to improve the sealing performance between strainer and drip head Seal, the strainer are tightly connected by sealing ring and drip head.
The invention has the advantages that this has in the protection type drip irrigation equipment of pressure adjusting function, pass through testing agency It can detecte the hydraulic pressure inside pipeline, while the hydraulic pressure inside pipeline be adjusted, improve the trickle irrigation effect of drip irrigation equipment, Compared with existing testing agency, testing agency's structure is simple, reduces the quantity of the mechanism-trouble point, reduces the mechanism Failure rate moreover avoids water flow by protection mechanism and directly impacts soil, reduces the impaired probability of plant root, The practicability for improving drip irrigation equipment, compared with existing protection mechanism, which is reduced by the protective action of strainer The blocked probability of drip head, improves the practicability of drip irrigation equipment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the protection type drip irrigation equipment with pressure adjusting function of the invention;
Fig. 2 is the structural schematic diagram of the protection mechanism of the protection type drip irrigation equipment with pressure adjusting function of the invention;
Fig. 3 is the main view of the testing agency of the protection type drip irrigation equipment with pressure adjusting function of the invention;
Fig. 4 is the side view of the testing agency of the protection type drip irrigation equipment with pressure adjusting function of the invention;
In figure: 1. shields, 2. drip heads, 3. pipelines, 4. motor-driven valves, 5. connecting rods, 6. connecting sleeves, 7. first bullets Spring, 8. fixed blocks, 9. strainers, 10. sealing rings, 11. first contact-making switches, 12. baffles, 13. rotating casings, 14. connecting shafts, 15. second spring, 16. second contact-making switches, 17. slide bars, 18. limited blocks, 19. sliding sleeves, 20. drive rods.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of protection type drip irrigation equipment with pressure adjusting function, including pipeline 3 and at least two drops Head 2 is filled, it further includes testing agency and at least two protection mechanisms, the inspection that each drip head 2, which is arranged in the side of pipeline 3, The inside that one end of pipeline 3 is arranged in mechanism is surveyed, the quantity of the protection mechanism is equal with the quantity of drip head 2, the protection Mechanism and drip head 2 correspond, and the protection mechanism is arranged on drip head 2;
It can detecte the hydraulic pressure inside pipeline 3 by testing agency, while the hydraulic pressure inside pipeline 3 be adjusted, mention The high trickle irrigation effect of drip irrigation equipment moreover avoids water flow by protection mechanism and directly impacts soil, reduce plant The impaired probability in root, improves the practicability of drip irrigation equipment;
As shown in Fig. 2, the protection mechanism includes shield 1 and at least two mounting assemblies, the shape of the shield 1 For cylinder, the side of the shield 1 is equipped with opening, and the shield 1 is coaxially disposed with drip head 2, and the drip head 2 is set It sets in the inside of shield 1, each mounting assembly is circumferentially uniformly arranged on the surrounding inner wall of shield 1 around the axis of shield 1 On, the mounting assembly is connect with drip head 2;
The stability that shield 1 is connect with drip head 2 is improved by mounting assembly, then under the action of shield 1, is changed The direction for having become the water outlet of drip head 2, reduces the probability that water flow directly impacts soil, when drip irrigation equipment is stopped using, Under the action of mounting assembly, the direction of driving shield 1 to close drip head 2 is mobile, then passes through shield 1 for drip head 2 It covers, reduces the probability that drip head is damaged or blocks;
As shown in Figure 3-4, the testing agency includes connecting shaft 14, slide bar 17, second spring 15, motor-driven valve 4, sliding sleeve Pipe 19,16, two detection components of the second contact-making switch and two the first contact-making switches 11, the axis and pipeline of the connecting shaft 14 3 axis is vertical and intersects, and the both ends of the connecting shaft 14 are fixedly connected with the inner wall of pipeline 3, two detection components with Connecting shaft 14 connects, and middle part central symmetry of two detection components about connecting shaft 14, the slide bar 17 is coaxially set with pipeline 3 It sets, the slide bar 17 is arranged in the side of the close drip head 2 of connecting shaft 14, in one end of the slide bar 17 and connecting shaft 14 Portion is fixedly connected, and the slide bar 17 passes through sliding sleeve 19, and the sliding sleeve 19 is slidably connected with slide bar 17, second bullet Spring 15 is set on slide bar 17, and the connecting shaft 14 is fixedly connected by second spring 15 with sliding sleeve 19, second bullet Spring 15 is in tensional state, and two detection components are connect with sliding sleeve 19, and the setting of the second contact-making switch 16 is being slided The side of the separate connecting shaft 14 of casing 19, second contact-making switch 16 are fixedly connected with slide bar 17, and two first contacts are opened The side for the separate slide bar 17 that 11 are separately positioned on two detection components is closed, two the first contact-making switches 11 are interior with pipeline 3 Wall is fixedly connected;
Under the supporting role of connecting shaft 14, the stability of baffle 12 is improved by rotating casing 13, inside pipeline 3 When hydraulic pressure is larger, is rotated, be then driven to the direction close to slide bar 17 around connecting shaft 14 by water jet propulsion baffle 12 Under the transmission effect of bar 20, driving sliding sleeve 19 is moved along slide bar 17 to the direction far from connecting shaft 14, then passes through sliding Casing 19 triggers the second contact-making switch 16, and the second contact-making switch 16 sends a signal to PLC later, then is controlled by PLC electronic Valve 4 turns down, and reduces the water flow of motor-driven valve 4, then reduces 3 inside water pressure of pipeline, hydraulic pressure inside pipeline 3 it is too small when It waits, under the action of second spring 15, driving sliding sleeve 19 is mobile to the direction close to connecting shaft 14, then makes baffle 12 to remote Direction from slide bar 17 is mobile, then triggers the first contact-making switch 11 by baffle 12, the first contact-making switch 11 sends out signal later PLC is given, then motor-driven valve 4 is controlled by PLC and opened, increase the water flow of motor-driven valve 4, then increase 3 inside water pressure of pipeline.
Preferably, in order to improve the degree of automation of drip irrigation equipment, the side of the pipeline 3 is equipped with central control panel, institute The inside for stating central control panel is equipped with PLC, and the central control panel is equipped with display screen and at least two control buttons, and described first connects Touching switch 11, the second contact-making switch 16, motor-driven valve 4, display screen and each control button are electrically connected with PLC;
PLC, that is, programmable logic controller (PLC), it is used for its internally stored program, is held using a kind of programmable memory The user oriented instruction such as row logical operation, sequential control, timing, counting and arithmetical operation, and by digital or analog defeated Enter/export the various types of mechanical or production processes of control, its essence is a kind of computer for being exclusively used in Industry Control, hardware Structure is substantially identical as microcomputer, the reception and output of processing and the instruction of data is generally used for, for realizing in Centre control, operator send control signal to PLC by control button, then control drip irrigation equipment operation by PLC, lead to simultaneously The working condition of drip irrigation equipment can be shown by crossing display screen, then improves the degree of automation of drip irrigation equipment.
As shown in Fig. 2, the mounting assembly includes fixed block 8, connecting rod 5, the first spring 7 and connecting sleeve 6, the company Extension bar 5 is parallel with the axis of shield 1, and the inner wall of one end of the separate pipeline 3 of one end and shield 1 of the connecting rod 5 is solid Fixed connection, the other end of the connecting rod 5 is fixed by the inner wall of one end of fixed block 8 and the close pipeline 3 of shield 1 to be connected It connects, the connecting sleeve 6 is fixed on the side of one end of the separate pipeline 3 of drip head 2, and the connecting rod 5 passes through connecting sleeve 6, the connecting sleeve 6 is slidably connected with connecting rod 5, and first spring 7 is set in connecting rod 5, and the connecting rod 5 is leaned on One end of nearly pipeline 3 is fixedly connected by the first spring 7 with connecting sleeve 6, and first spring 7 is in tensional state;
Under the fixed function of fixed block 8, the firmness of connecting rod 5 is improved, then under the action of connecting sleeve 6, is mentioned The firmness that high drip head 2 connect with shield 1, when the hydraulic pressure inside drip head 2 is larger, by hydraulic pressure by protection Cover 1 opens, and when 2 inside water pressure of drip head disappears, under the action of the first spring 7, is driven and is protected by connecting sleeve 6 Cover 1 is then covered drip head 2 by shield 1 to close to the movement of the direction of drip head 2.
As shown in figure 3, the detection components include rotating casing 13, baffle 12 and drive rod 20, the baffle 12 and pipe Road 3 matches, and the baffle 12 is arranged in the side of connecting shaft 14, and the rotation axis passes through rotating casing 13, the baffle 12 with The side of the close connecting shaft 14 of rotation axis is fixedly connected, the separate connecting shaft 14 of one end and baffle 12 of the drive rod 20 Side is hinged, and the other end and sliding sleeve 19 of the drive rod 20 are hinged.
Preferably, being coated with corrosion-inhibiting coating on the baffle 12 to extend the service life of baffle 12;
The corrosion rate of baffle 12 is slowed down by corrosion-inhibiting coating, then extends the service life of baffle 12.
Preferably, in order to improve the stability that sliding sleeve 19 is connect with slide bar 17, the separate connection of the slide bar 17 One end of axis 14 is equipped with limited block 18;
By the position-limiting action of limited block 18, the probability that sliding sleeve 19 is detached from from slide bar 17 is reduced, then is improved The stability that sliding sleeve 19 is connect with slide bar 17.
Preferably, in order to improve the stability that rotating casing 13 is connect with connecting shaft 14, the rotation axis is equipped with ring The inside of annular groove is arranged in shape slot, the rotating casing 13;
By the position-limiting action of annular groove, the probability that rotating casing 13 is moved along connecting shaft 14 is reduced, then is improved The stability that rotating casing 13 is connect with connecting shaft 14.
Preferably, in order to reduce the frictional force between sliding sleeve 19 and slide bar 17, the making material of the slide bar 17 For stainless steel;
Since stainless steel has preferable corrosion resistance, then the corrosion rate of slide bar 17 is slowed down, 17 surface of slide bar is made It keeps smooth, reduces the frictional force between sliding sleeve 19 and slide bar 17.
Preferably, one end of the close pipeline 3 of the shield 1 is equipped in order to reduce the blocked probability of drip head 2 Strainer 9, the strainer 9 are equipped with mounting hole, and the drip head 2 passes through mounting hole;
Soil is reduced by strainer 9 and stone enters probability inside shield 1, then reduces drip head 2 and be blocked Probability.
Preferably, being equipped at the mounting hole of the strainer 9 to improve the sealing performance between strainer 9 and drip head 2 Sealing ring 10, the strainer 9 are tightly connected by sealing ring 10 and drip head 2;
The gap between strainer 9 and drip head 2 is reduced by sealing ring 10, then is improved between strainer 9 and drip head 2 Sealing performance.
Under the action of shield 1, the direction of the water outlet of drip head 2 is changed, water flow is reduced and directly impacts the several of soil Rate drives sliding sleeve 19 along slide bar 17 to far from connecting shaft 14 when 3 inside water pressure of pipeline is larger by water flow Direction is mobile, then triggers the second contact-making switch 16 by sliding sleeve 19, controls motor-driven valve 4 by PLC and turns down, reduces electronic The water flow of valve 4 then reduces 3 inside water pressure of pipeline, when the hydraulic pressure inside pipeline 3 is too small, in second spring 15 Under effect, keeps baffle 12 mobile to the direction far from slide bar 17, then the first contact-making switch 11 is triggered by baffle 12, later first Contact-making switch 11 sends a signal to PLC, then controls motor-driven valve 4 by PLC and open, increase the water flow of motor-driven valve 4, then make 3 inside water pressure of pipeline increases.
Compared with prior art, this has in the protection type drip irrigation equipment of pressure adjusting function, can be with by testing agency The hydraulic pressure inside pipeline 3 is detected, while the hydraulic pressure inside pipeline 3 is adjusted, improves the trickle irrigation effect of drip irrigation equipment, with Existing testing agency compares, and testing agency's structure is simple, reduces the quantity of the mechanism-trouble point, reduces the event of the mechanism Barrier rate moreover avoids water flow by protection mechanism and directly impacts soil, reduces the impaired probability of plant root, mentions The high practicability of drip irrigation equipment, compared with existing protection mechanism, which passes through the protective action of strainer 9, reduces The blocked probability of drip head 2, improves the practicability of drip irrigation equipment.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (10)

1. a kind of protection type drip irrigation equipment with pressure adjusting function, including pipeline (3) and at least two drip heads (2), respectively Drip head (2) is arranged in the side of pipeline (3), which is characterized in that and it further include testing agency and at least two protection mechanisms, The testing agency is arranged in the inside of one end of pipeline (3), the quantity and the quantity phase of drip head (2) of the protection mechanism It is corresponded Deng, the protection mechanism and drip head (2), the protection mechanism is arranged on drip head (2);
The protection mechanism includes shield (1) and at least two mounting assemblies, and the shape of the shield (1) is cylinder, The side of the shield (1) is equipped with opening, and the shield (1) and drip head (2) are coaxially disposed, and the drip head (2) sets The inside in shield (1) is set, each mounting assembly is circumferentially uniformly arranged on the four of shield (1) around the axis of shield (1) On all inner walls, the mounting assembly is connect with drip head (2);
The testing agency include connecting shaft (14), slide bar (17), second spring (15), motor-driven valve (4), sliding sleeve (19), Second contact-making switch (16), two detection components and two the first contact-making switches (11), the axis and pipe of the connecting shaft (14) The axis in road (3) is vertical and intersects, and the both ends of the connecting shaft (14) are fixedly connected with the inner wall of pipeline (3), two detections Component is connect with connecting shaft (14), middle part central symmetry of two detection components about connecting shaft (14), the slide bar (17) It is coaxially disposed with pipeline (3), the slide bar (17) is arranged in the side of the close drip head (2) of connecting shaft (14), the slide bar (17) it is fixedly connected in the middle part of one end and connecting shaft (14), the slide bar (17) passes through sliding sleeve (19), the sliding sleeve Pipe (19) is slidably connected with slide bar (17), and the second spring (15) is set on slide bar (17), and the connecting shaft (14) passes through Second spring (15) is fixedly connected with sliding sleeve (19), and the second spring (15) is in tensional state, two detection components It is connect with sliding sleeve (19), the separate connecting shaft (14) of second contact-making switch (16) setting in sliding sleeve (19) Side, second contact-making switch (16) are fixedly connected with slide bar (17), and two the first contact-making switches (11) are separately positioned on two The side of the separate slide bar (17) of a detection components, two the first contact-making switches (11) are fixedly connected with the inner wall of pipeline (3).
2. as described in claim 1 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the pipeline (3) side is equipped with central control panel, and the inside of the central control panel is equipped with PLC, and the central control panel is equipped with display screen and extremely Few two control buttons, first contact-making switch (11), the second contact-making switch (16), motor-driven valve (4), display screen and each control Key is electrically connected with PLC.
3. as described in claim 1 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the installation group Part includes fixed block (8), connecting rod (5), the first spring (7) and connecting sleeve (6), the connecting rod (5) and shield (1) Axis is parallel, and the inner wall of one end of the separate pipeline (3) of one end and shield (1) of the connecting rod (5) is fixedly connected, described The other end of connecting rod (5) is fixedly connected by fixed block (8) with the inner wall of one end of the close pipeline (3) of shield (1), institute State connecting sleeve (6) be fixed on drip head (2) separate pipeline (3) one end side, the connecting rod (5) pass through connector sleeve It manages (6), the connecting sleeve (6) is slidably connected with connecting rod (5), and first spring (7) is set on connecting rod (5), institute The one end for stating the close pipeline (3) of connecting rod (5) is fixedly connected by the first spring (7) with connecting sleeve (6), first bullet Spring (7) is in tensional state.
4. as described in claim 1 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the detection group Part includes rotating casing (13), baffle (12) and drive rod (20), and the baffle (12) matches with pipeline (3), the baffle (12) setting passes through rotating casing (13) in the side of connecting shaft (14), the rotation axis, the baffle (12) and rotation axis Side close to connecting shaft (14) is fixedly connected, the separate connecting shaft (14) of one end and baffle (12) of the drive rod (20) Side is hinged, and the other end of the drive rod (20) and sliding sleeve (19) are hinged.
5. as claimed in claim 4 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the baffle (12) corrosion-inhibiting coating is coated on.
6. as described in claim 1 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the slide bar (17) one end of separate connecting shaft (14) is equipped with limited block (18).
7. as described in claim 1 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the rotation axis It is equipped with annular groove, the inside of annular groove is arranged in the rotating casing (13).
8. as described in claim 1 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the slide bar (17) making material is stainless steel.
9. as described in claim 1 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the shield (1) one end of close pipeline (3) is equipped with strainer (9), and the strainer (9) is equipped with mounting hole, and the drip head (2) passes through peace Fill hole.
10. as claimed in claim 9 with the protection type drip irrigation equipment of pressure adjusting function, which is characterized in that the strainer (9) sealing ring (10) are equipped at mounting hole, the strainer (9) is tightly connected by sealing ring (10) and drip head (2).
CN201910486035.3A 2019-06-05 2019-06-05 Protection type drip irrigation equipment with pressure regulation function Active CN110140639B (en)

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CN201910486035.3A CN110140639B (en) 2019-06-05 2019-06-05 Protection type drip irrigation equipment with pressure regulation function

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Application Number Priority Date Filing Date Title
CN201910486035.3A CN110140639B (en) 2019-06-05 2019-06-05 Protection type drip irrigation equipment with pressure regulation function

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CN110140639B CN110140639B (en) 2021-08-06

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CN105782533A (en) * 2016-05-04 2016-07-20 中国水利水电科学研究院 Pressure adjusting type elastic irrigation emitter
CN206760295U (en) * 2017-04-10 2017-12-19 衢州学院 A kind of water conservancy drip irrigation energy-conservation shower nozzle
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CN109479581A (en) * 2018-12-26 2019-03-19 潘碧琼 A kind of fruit and vegetable greenhouses drip irrigation appliance

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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