CN111288200B - Intelligent irrigation valve and irrigation system - Google Patents

Intelligent irrigation valve and irrigation system Download PDF

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Publication number
CN111288200B
CN111288200B CN202010225892.0A CN202010225892A CN111288200B CN 111288200 B CN111288200 B CN 111288200B CN 202010225892 A CN202010225892 A CN 202010225892A CN 111288200 B CN111288200 B CN 111288200B
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China
Prior art keywords
valve
irrigation
water outlet
support plate
box
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CN202010225892.0A
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CN111288200A (en
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陈华
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Xinjiang Tianmai Agricultural Intelligent Control Technology Co ltd
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Xinjiang Tianmai Agricultural Intelligent Control Technology Co ltd
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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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/042—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves with electric means, e.g. for controlling the motor or a clutch between the valve and the motor
    • 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
    • A01G25/16—Control of watering
    • 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
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
    • 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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • 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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
    • F16K31/055—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation for rotating valves
    • 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
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0647—Spindles or actuating means
    • F16K5/0652—Spindles or actuating means for remote operation
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

Abstract

An intelligent irrigation valve comprises a ball valve, a solar power storage system and a control box, wherein the control box comprises a motor box and a transmission box, the transmission box is of an upper layer structure and a lower layer structure, the upper layer box is used for fixing a controller, and the lower layer box is used for placing a vertical transmission mechanism; the controller comprises a control panel, the control panel comprises a data acquisition module connected with a pressure sensor at a water outlet of the ball valve and a wireless communication module for data transmission with a control terminal, and a motor spindle of the motor box is coaxially and horizontally connected with an input shaft of the vertical transmission mechanism; the lower end of the output shaft of the vertical transmission mechanism is coaxially and vertically connected with the valve core of the ball valve; and the ball valve is under the feedback control of the control terminal, and a valve core of the ball valve is driven to rotate to an opening gear corresponding to the proper pressure value of the water outlet through a motor and a vertical transmission mechanism.

Description

Intelligent irrigation valve and irrigation system
Technical Field
The invention relates to the technical field of intelligent irrigation of farmlands, in particular to an intelligent irrigation valve and an irrigation system.
Background
The shortage of water resources has become a global problem, and saving water and realizing efficient water use are demands for human survival and development and also demands of the global economic society. Water resource is likely to be another resource in short supply faced by human beings following petroleum resources, which is a reality that we cannot avoid. As one of the water-poor countries in China, the number of people is large, and the demand for water resources is increasing at the beginning of the economic construction and development period. As the agricultural water occupies 70 percent of the total water consumption in China, and the problems of low agricultural irrigation efficiency and water waste are ubiquitous, the contradiction between water shortage and irrigation area increase is increasingly excited. In order to relieve the shortage of water resources and realize high and stable yield of crops, automatic intelligent control needs to be reasonably popularized in an automatic irrigation system.
At present, farmland irrigation in China mostly stays in a traditional irrigation mode mainly controlled manually, particularly in rotation irrigation, a user needs to walk to the field every other period of time, for example, every 3-6 hours when a corn field is irrigated, a valve of an irrigated area is manually closed, a valve of a to-be-irrigated area is manually opened, when the irrigation area is large, the number of the valves is large, the labor input is large, the time consumption is long, and the opening and closing of the valves are not timely, so that waste of manpower resources and water resources is caused, the irrigation quantity is not convenient to accurately control, and the crop growth is extremely unfavorable.
In order to solve the problems, the existing automatic agricultural irrigation machine, especially, the automatic control of an irrigation valve adopts the electromagnetic valve control, but the electromagnetic valve can be started only by pressing certain pressure, and the control is controlled by a switch, only the opening and closing of a valve body can be realized, during irrigation, especially during drip irrigation operation, the control of the pipeline pressure depends on artificial experience, the randomness is large, scientific data support is not available in the whole irrigation process, if a slope exists in an irrigation area, the water outlet pressure of water outlet piles at different slopes is different, the phenomenon of pipeline breakage or pipe explosion is easy to occur, irrigation water and fertilizer application are easy to result, the water and fertilizer utilization rate is low, the resource is seriously wasted (the water and fertilizer utilization rate is only about 40%), and the agricultural planting problems such as soil structure damage and environmental pollution are further bred.
In addition, in the existing electromagnetic valve control system, machine rooms for arranging the transmitting base stations are required to be established on the field, one transmitting base station can only control the electromagnetic valve within the range of 1-10 kilometers of a square circle, and once the range is exceeded, the electromagnetic valve is not controlled any more, so that when the area of the field is large, a plurality of transmitting base stations and machine rooms are required to be established, the cost is very high, and the large-area popularization and application cannot be realized. When the electromagnetic valve works, power needs to be continuously supplied to maintain the opening state of the electromagnetic valve, so that the power consumption is large, the size of the energy storage module is heavy, the cost is high, the block chain agricultural management system is extremely unfavorable to building, and the development of intelligent agriculture is seriously influenced.
Disclosure of Invention
The invention aims to provide an intelligent irrigation valve and an irrigation system, and solves the problems that branch pipes are disconnected or burst due to the fact that an existing electromagnetic valve cannot accurately control water pressure according to gradient fluctuation, and the control cost of the electromagnetic valve is high.
The technical scheme of the invention is as follows:
an intelligent irrigation valve comprises a ball valve, a solar power storage system and a control box, wherein the control box comprises a motor box and a transmission box, the transmission box is of an upper layer structure and a lower layer structure, the upper layer box is used for fixing a controller, and the lower layer box is used for placing a vertical transmission mechanism; the controller comprises a control panel, the control panel comprises a data acquisition module connected with a pressure sensor at the water outlet of the ball valve and a wireless communication system for transmitting data with a control terminal, and a motor spindle of the motor box is coaxially and horizontally connected with an input shaft of the vertical transmission mechanism; the lower end of the output shaft of the vertical transmission mechanism is coaxially and vertically connected with the valve core of the ball valve; and the ball valve is under the feedback control of the control terminal, and a valve core of the ball valve is driven to rotate to an opening gear corresponding to the proper pressure value of the water outlet through a motor and a vertical transmission mechanism.
Preferably, the axle center position of the input shaft is provided with a special-shaped through hole, and the position of a lower-layer box body for fixing the input shaft is provided with a manual hole corresponding to the special-shaped through hole; the main shaft of the motor is connected with the input shaft through a sleeve which is coaxial with the main shaft, and an elastic device is arranged at the connecting end of the sleeve and the main shaft, so that the sleeve can move towards the main shaft under the action of external force penetrating through the special-shaped through hole and is separated from the input shaft.
Preferably, the controller further comprises a valve opening position feedback plate, and a position controller is arranged on the valve opening position feedback plate; the upper end of the output shaft of the vertical transmission mechanism is coaxially and vertically connected with the gear controller, the gear controller is a magnetic encoder, the magnetic encoder feeds back the opening gear of the ball valve to the control terminal, and when the valve core of the ball valve rotates to the opening gear corresponding to the proper pressure value of the water outlet, the controller controls the motor to stop rotating.
Preferably, the cross section of the special-shaped through hole is a regular polygon, and the intelligent irrigation valve further comprises a manual rod matched with the special-shaped through hole in shape; or the section of the special-shaped through hole is a regular hexagon corresponding to the hexagonal rod-shaped wrench.
Preferably, the vertical transmission mechanism is a worm and gear transmission structure with a large reduction ratio, the output shaft is a worm gear shaft, the input shaft is a worm, two ends of the worm are fixed to the lower-layer box body through deep groove ball bearings, a step shaft extends outwards from one end of the worm, which is close to the motor box, and a free end of the step shaft is a special-shaped shaft; the sleeve is the solid construction that has the blind hole for both ends are opened, the sleeve is kept away from the blind hole of motor case one end with the dysmorphism axle looks gomphosis of step axle free end, the sleeve is close to the blind hole of motor case one end with motor spindle looks gomphosis, just when resilient means is in free state, the sleeve is close to distance between the blind hole bottom of motor case one end and this side motor spindle axle terminal surface is greater than the length of step axle.
Preferably, the wireless communication module comprises a narrowband internet of things communication module.
Preferably, the ball valve comprises a surface valve, the bottom of a valve body of the surface valve is provided with a water inlet short pipe, the side surface of the valve body of the surface valve is provided with a water outlet short pipe, a corresponding valve core of the surface valve comprises a bottom water inlet and a side surface water outlet, the side surface of the valve body of the surface valve is provided with two opposite water outlet short pipes, and the valve core of the surface valve is provided with a side surface water outlet; or the side surface of the valve body of the surface valve is provided with two opposite short water outlet pipes, and the valve core of the surface valve is provided with two side water outlets which are vertical to each other; or the side surface of the valve body of the surface valve is provided with two opposite short water outlet pipes, and the valve core of the surface valve is provided with two opposite side surface water outlets; or the side surface of the valve body of the surface valve is provided with four short water outlet pipes which are arranged oppositely in pairs, the two short water outlet pipes on the same side are arranged in an acute angle or a right angle, the valve core of the surface valve is provided with four side water outlets which are arranged oppositely in pairs or the valve core is provided with two side water outlets which are arranged in an acute angle; the upper part of the valve core of the surface valve is butted with the output shaft of the vertical transmission mechanism through a valve rod. .
Preferably, the control box is fixed on the upper part of the valve body through a flange seat, and the lower end of the output shaft of the vertical transmission mechanism is vertically connected with a valve core of the ball valve through a valve rod and the same axis center; the flange seat comprises a first fastening flange plate and a second fastening flange plate which are arranged horizontally and vertically, and a first supporting plate and a second supporting plate which are vertically and oppositely arranged at the left end and the right end of the first fastening flange plate and the second fastening flange plate, wherein the upper parts of the first fastening flange plate, the second fastening flange plate and the corresponding valve body are respectively and correspondingly provided with a fastening threaded hole, a valve rod hole is formed in the middle of the first fastening flange plate and the second fastening flange plate, a triangular solar panel fixing pile horizontally extends from the front end or the rear end of the first fastening flange plate, the flange seat is fixed on the upper part of the valve body through the second fastening flange plate, and the control box is fixed above the first fastening flange plate;
or the control box is fixed on the upper part of the valve body through a flange seat and a U-shaped hoop, the flange seat comprises a flange plate and a first support plate and a second support plate, the plate surfaces of the first support plate and the second support plate are relatively and vertically arranged at two ends of the flange plate, the control box is fixed on the flange plate, the lower parts of the first support plate and the second support plate are provided with downward-bent arc-shaped grooves which are used for being erected on the water outlet short pipe and are matched with the side surface shape of the water outlet short pipe, two end parts of the arc-shaped grooves are horizontally bent and provided with U-shaped hoop hole sites, and U-shaped hoop hole sites are also arranged at the positions corresponding to the flange plate and used for enabling the U-shaped hoop to be clamped on the water outlet short pipe and then to penetrate through the hole sites and to be fixed on the flange plate through nuts;
or a small flange seat is further arranged below the flange seat, the small flange seat comprises a small flange plate and a first small support plate and a second small support plate, the surfaces of the first small support plate and the second small support plate are vertically arranged at two ends of the small flange plate relatively, the small flange plate is fixed below the flange plate, the first small support plate and the second small support plate are perpendicular to the first support plate and the second support plate, small arc-shaped grooves which are used for being erected on the valve body and are bent downwards and matched with the side surface of the valve body in shape are formed in the lower portions of the first support plate and the second support plate, and carrying blocks extend towards the horizontal direction from the tops of the small arc-shaped grooves.
Preferably, the ball valve comprises a well valve, the well valve comprises a well valve body and a well valve core, the well valve further comprises a driving rod and a flange rod, the driving rod is connected with the output shaft of the vertical transmission mechanism and the well valve core, the flange rod is sleeved outside the driving rod, the upper end part and the lower end part of the flange rod are respectively provided with a flange seat connected with the control box and the well valve body, and the lengths of the driving rod and the flange rod are at least equal to the depth of the irrigation well.
Preferably, the well valve is a three-way valve with a water inlet and a water outlet on the same horizontal plane, a cylindrical bearing seat for fixing a pressure bearing is arranged at the bottom of the inner surface of the well valve body, and the bottom of the well valve core is fixed to the upper part of the pressure bearing.
An intelligent irrigation system, includes irrigation pipe network, wireless communication system and control terminal, irrigation pipe network's irrigation well and/or play water pile all are equipped with the intelligent irrigation valve of any of claims 1-11, go out water pile department intelligent irrigation valve near still be equipped with meteorological information collection system, soil moisture content information collection system and the crop growth information collection system that data acquisition module is connected, control terminal obtains pressure flow information, meteorological information, soil moisture content information and the crop growth information that all intelligent irrigation valves that come from irrigation pipe network gathered through wireless communication system, automatic control irrigation pipe network's intelligent irrigation valve's opening and close and gear realize accurate irrigation.
Compared with the prior art, the invention has the advantages that:
1. according to the intelligent irrigation valve and the irrigation system, the control box is electrified to the motor and the controller only when irrigation is needed, so that the size and the weight of the energy storage device and the control box can be greatly reduced. The controller gathers the flow pressure information of ball valve water inlet department, sends to through wireless communication module control terminal, comes driving motor and perpendicular drive mechanism drive by the feedback control between gear controller and the control terminal the case of ball valve rotates the aperture gear that the suitable pressure value corresponds, can the accurate water output and the play water pressure of controlling the stake, realizes accurate irrigation, and can avoid causing branch pipe and the capillary tube that pressure difference caused because of the stake slope difference of going out the water to take off the pipe or the scheduling problem of bursting.
2. The motor main shaft is connected with the valve body through a vertical transmission mechanism, the upper end of an output shaft of the vertical transmission mechanism is vertically connected with the same axle center of the gear controller, the lower end of the output shaft of the vertical transmission mechanism is vertically connected with the same axle center of a valve core of the ball valve, the rotation angle of the valve core can be directly and accurately transmitted to the gear controller through the rotation of the output shaft, the valve body rotates and the opening degree is controlled to form closed loop feedback, the control is more accurate, and the special-shaped through hole can be formed at the axis position of the input shaft, so that the sleeve can move towards the main shaft under the action of external force passing through the special-shaped through hole and is separated from the input shaft, the non-electric manual control of the intelligent irrigation valve is realized by rotating a manual rod or a bar-shaped wrench which can be embedded with the special-shaped through hole, the structure is simple and compact, and the volume and the weight of the control box are further reduced.
3. The vertical transmission mechanism is a worm and gear transmission structure with a large speed reduction ratio, so that the rotation speed control of the valve body is convenient to realize, and the water hammer phenomenon is greatly avoided.
4. The bottom of the valve body is provided with a water inlet short pipe, the side surface of the valve body is provided with a water outlet short pipe, the corresponding valve core comprises a bottom water inlet and a side surface water outlet, the water inlet short pipe is sleeved on a water outlet pile or a pipeline of an irrigation well, when the side surface of the valve body is provided with two opposite water outlet short pipes, and the valve core is provided with a side surface water outlet, the rotation irrigation control or the opening and closing control of the irrigation well can be conveniently realized; or when the side surface of the valve body is provided with two opposite short water outlet pipes, and the valve core is provided with two side water outlets which are mutually perpendicular, the rotation control can be conveniently realized, the rotation stroke of the valve core can be reduced, and the electric quantity is further saved.
5. The wireless communication system comprises a Narrow-Band Internet of Things communication module (NB-IOT), one base station can theoretically realize the control of nearly tens of thousands of intelligent irrigation valves, the cost of the intelligent irrigation system is greatly reduced, large-area popularization and application are facilitated, the data acquisition module acquires pressure flow information, meteorological information, soil moisture content information, crop growth information and the like, a block chain agricultural management system is conveniently established, and the national intelligent agricultural management becomes possible.
Drawings
FIG. 1 is a perspective view of one embodiment of a smart irrigation valve of the present invention;
FIG. 2 is a partial cross-sectional view of one embodiment of the intelligent irrigation valve of the present invention;
FIG. 3 is an enlarged view of a portion of one embodiment of the intelligent irrigation valve of the present invention;
FIG. 4 is a perspective view of one embodiment of an intelligent irrigation valve input shaft of the present invention;
FIG. 5 is a front cross-sectional view of one embodiment of an intelligent irrigation valve input shaft of the present invention;
FIG. 6 is an enlarged partial view of another embodiment of the intelligent irrigation valve magnetic encoder of the present invention;
fig. 7 is a block diagram of the intelligent irrigation system of the present invention.
The reference numbers are listed below: 1-a solar power storage system; 2-a control box; 21-motor box, 211-main shaft, 22-transmission box, 221-upper box, 222-lower box, 2221-manual hole, 2332-gear dial, 2333-observation window, 23-controller, 231-control panel, 233-valve opening feedback panel, 232-magnetic steel arm, 2331-gear controller, 2331 a-programmable magnetic steel, 2331 b-programmable magnetic steel chip, 2332-opening dial, 2333-observation window, 2334-magnetic steel seat, 24-vertical transmission mechanism, 241-input shaft (worm), 2411-special-shaped through hole, 2411 a-regular hexagonal hole, 2411 b-round hole, 2412-step shaft, 2413-first bearing connecting shaft, 2414-second bearing connecting shaft, 242-output shaft (worm wheel shaft), 2421-worm wheel, 243-sleeve, 244-elastic device (spring), 4-flange seat, 41-flange plate, 42-first support plate, 43-second support plate, 421-arc groove, 5-U-shaped hoop, 6-small flange seat, 61-small flange plate, 62-first small support plate, 63-second small support plate, 621-small arc groove and 622-carrying block.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples.
Example 1
An intelligent irrigation valve is shown in fig. 1-2 and comprises a ball valve, a solar power storage system 1 and a control box 2, wherein the control box 2 comprises a motor box 21 and a transmission box 22 which are in left-right sealing butt joint, the transmission box 22 is of an upper-layer structure and a lower-layer structure, an upper-layer box body 221 is used for fixing a controller 23 and an energy storage device of the solar power storage system 1, and a lower-layer box body 222 is used for placing a vertical transmission mechanism 24; the controller 23 comprises a control board 231 and a valve opening feedback board 233, the control board 231 comprises a data acquisition module connected with a flow pressure sensor at the water inlet of the ball valve and a wireless communication system for data transmission with a control terminal, and the valve opening feedback board 233 is provided with a gear controller; the motor main shaft 211 of the motor box 21 is coaxially and horizontally connected with the input shaft 241 of the vertical transmission mechanism 24, and the upper end of the output shaft 242 of the vertical transmission mechanism 24 is coaxially and vertically connected with the gear controller; the lower end of the output shaft 242 of the vertical transmission mechanism 24 is coaxially and vertically connected with the valve core of the ball valve; the ball valve is under the feedback control of the control terminal, and the valve core of the ball valve is driven to rotate to a valve opening value or an opening gear value corresponding to a proper pressure value through the motor and the vertical transmission mechanism 24.
The solar power storage system 1 can only energize the motor and the controller when irrigation is needed, that is, the control strategy of the control box comprises two control states of a working mode and a sleep mode, so that the volume and the weight of the energy storage device and the control box 2 can be greatly reduced. The controller 23 collects flow pressure information at the water inlet of the ball valve and sends the flow pressure information to the control terminal through a wireless communication system, the control terminal drives the motor and the vertical transmission mechanism 24 to drive the valve core of the ball valve to rotate to a valve opening size corresponding to a proper pressure value through feedback control between the gear controller and the control terminal, the water outlet quantity and the water outlet pressure of the water outlet pile can be accurately controlled, accurate irrigation is realized, and the problems that branch pipes and capillary pipes are disconnected or burst and the like caused by pressure difference due to different gradients of the water outlet pile can be avoided.
The motor spindle 211 is connected with the valve body through the vertical transmission mechanism 24, the upper end of an output shaft 241 of the vertical transmission mechanism 24 is vertically connected with the gear controller 233 through the same axle center, the lower end of the output shaft 241 is vertically connected with the valve core of the ball valve through the same axle center, the structure is simple and compact, the size and the weight of the control box 2 are greatly reduced, the rotation of the output shaft 241 can be used for directly and accurately transmitting the rotation angle of the valve core to the gear controller, the valve body rotates and forms closed-loop feedback with opening control, the pressure and flow control are more accurate, and efficient and water-saving automatic management is achieved.
Example 2
Different from the above embodiments, as shown in fig. 2 to 5, a special-shaped through hole 2411 is formed at the axial position of the input shaft 241, and a manual hole 2221 is formed at the position of the lower case 222 for fixing the input shaft 241, corresponding to the special-shaped through hole 2411; the main shaft 211 of the motor is connected with the input shaft 241 through a sleeve 243 which is coaxial with the main shaft, and an elastic device 244 is arranged at the connecting end of the sleeve 243 and the main shaft 2111, so that the sleeve 243 can move towards the main shaft 211 and is separated from the input shaft 241 under the action of external force which passes through the special-shaped through hole 2411.
Preferably, the cross section of the special-shaped through hole 2411 is a regular polygon, and the intelligent irrigation valve further comprises a manual rod matched with the special-shaped through hole 2411 in shape; or the section of the special-shaped through hole 2411 is a regular hexagon corresponding to the hexagonal rod-shaped wrench. Or as shown in fig. 4-5, one end of the special-shaped through hole 2411 close to the manual hole 2221 is a regular hexagonal hole 2411a corresponding to a hexagonal rod-shaped wrench, one end of the special-shaped through hole 2411 close to the sleeve 243 is a circular hole 2411b with a diameter slightly larger than that of the regular hexagonal hole 2411a, and the non-power manual control of the intelligent irrigation valve is realized by rotating a manual rod or a rod-shaped wrench which can be embedded with the special-shaped through hole 2411, so that when the controller fails or is powered off, the intelligent control valve cannot be opened or closed or can be opened to any opening position, and the arrangement is also convenient for manually adjusting the valve openings of the water outlet piles with different heights during installation and debugging, so that the pipe pressure of the water outlet piles is maintained in a proper range, the phenomenon of pipe disconnection and pipe explosion during the first installation and debugging is avoided, and the use safety of the intelligent irrigation valve is improved.
Example 3
Different from the above embodiments, as shown in fig. 2 to 5, the vertical transmission mechanism 24 is a worm and gear transmission structure with a large deceleration ratio, so that the feedback control of the rotation speed of the valve body is facilitated, and the water hammer phenomenon is greatly avoided. The output shaft is a worm wheel shaft 242, the input shaft is a worm 241, two ends of the worm 241 are fixed on the housing of the lower-layer box body 222 through deep groove ball bearings, as shown in fig. 4-5, one end of the worm 241 close to the motor box 21 extends outwards to form a first bearing connecting shaft 2413 and a step shaft 2412, and the step shaft 2412 is embedded with the sleeve 243; a second bearing connecting shaft 2414 extends outwards from one end of the worm 241 far away from the motor box 21. Sleeve 243 is the solid construction that both ends were opened there is the blind hole, sleeve 243 is close to the one end of motor case 21 with motor spindle 211 looks gomphosis, this moment, sleeve 243 is close to the trompil of motor case 21 one end is the D shape hole, motor spindle 211 be with D type hole shape assorted D shape axle, the mutual gomphosis of the two is convenient for sleeve 243 follows main shaft 211's rotation rotates. The end of the sleeve 243 far away from the motor case 21 is engaged with the input shaft 241 through a special-shaped hole, so that the input shaft 241 rotates along with the sleeve 243 driven by the main shaft 211.
When the elastic device 244 is in a free state, as shown in fig. 3, a distance between the bottom of the sleeve 243 near the fitting hole at one end of the motor case 21 and the end surface of the motor spindle 211 is greater than the length of the step shaft 2412. So that the sleeve 243 is separated from the input shaft 241 when moving towards the main shaft 211 under the action of the external force passing through the irregular through hole 2411, and the input shaft 241 can be freely rotated at the position of the manual hole, thereby realizing the manual opening and closing of the valve.
Preferably, the valve opening feedback plate 233 feeds back the opening size or opening position of the ball valve to the control terminal through a position controller (magnetic encoder) 2331. As shown in fig. 2, a gear dial 2332 is fixed in the upper housing at the top of the gear controller 2331, the gear controller 2331 is a magnetic encoder, a programmable magnetic steel 2331a of which is fixed at the center of the gear dial 2332 by a magnetic steel seat,
the top of the valve opening magnetic steel arm 232 embedded with the worm wheel shaft 242 is provided with a pointer, and the programmable magnetic steel of the magnetic encoder 2331 is fixed at the top of the valve opening magnetic steel arm 232, so that the valve gear can be indicated on the gear dial 2332, and the valve gear can be observed through the observation window 2333, so that the gear information can be accurately determined when the worm 241 is manually stirred, and meanwhile, the magnetic encoder 2331 feeds back whether the valve rotates to a specified angle to the control board 231, so that the automatic feedback control of the valve opening is realized.
Alternatively, as shown in fig. 6, the shift controller 233 feeds back the opening size or the opening shift position of the ball valve to the control terminal through the magnetic encoder 2331. The upper end of the output shaft 242 vertically penetrates through the bottom of the upper-layer box body 221, the magnetic encoder comprises programmable magnetic steel 2331a, a valve opening feedback plate 233 and a magnetic steel seat 2334, a programmable magnetic steel chip 2331b matched with the programmable magnetic steel 2331a is arranged on the valve opening feedback plate 233, the magnetic steel seat 2334 comprises a cylindrical aluminum body and a screw rod extending downwards along the axis of the body, the screw rod is matched with a screw hole in the axis of the upper end of the output shaft, a magnetic steel blind hole for fixing the programmable magnetic steel is arranged coaxially above the body, and the programmable magnetic steel chip is fastened to the upper part of the programmable magnetic steel by the valve opening feedback plate through a feedback plate fixing screw hole in the bottom of the upper-layer box body.
Preferably, the wireless communication module comprises a narrow-Band Internet of things NB-IOT (narrow Band Internet of things) communication module, and one base station can realize control of tens of thousands of intelligent irrigation valves, so that the cost of the intelligent irrigation system is greatly reduced, and large-area popularization and application are facilitated. The block chain agricultural management system is convenient to establish, and intelligent agricultural management across the country is possible.
Example 4
Different from the embodiment, the ball valve comprises a surface valve, wherein the bottom of a valve body of the surface valve is provided with a water inlet short pipe, the side surface of the valve body of the surface valve is provided with a water outlet short pipe, a corresponding valve core of the surface valve comprises a bottom water inlet and a side surface water outlet, the side surface of the valve body is provided with two opposite water outlet short pipes, and the valve core is provided with a side surface water outlet, so that the rotation irrigation control or the opening and closing control of an irrigation well can be conveniently realized.
Preferably, the side surface of the valve body is provided with two opposite short water outlet pipes, and the valve core is provided with two side water outlets which are perpendicular to each other. The rotation control of the wheel irrigation can be conveniently realized, the rotation stroke of the valve core can be reduced, and the electric power is further saved.
Or the side surface of the valve body of the surface valve is provided with four short water outlet pipes which are arranged oppositely in pairs, the two short water outlet pipes on the same side are arranged in an acute angle or a right angle, the valve core of the surface valve is provided with four side water outlets which are arranged oppositely in pairs or the valve core is provided with two side water outlets which are arranged in an acute angle; the upper part of the valve core of the surface valve is butted with the output shaft of the vertical transmission mechanism through a valve rod.
Preferably, the ball valve may be a well valve, the well valve includes a well valve body and a well valve core, and further includes a driving rod connecting the output shaft of the vertical transmission mechanism and the well valve core, and a flange rod sleeved outside the driving rod, the upper end and the lower end of the flange rod are respectively provided with a flange seat connected with the control box and the well valve body, and the lengths of the driving rod and the flange rod are at least equal to the depth of the irrigation well.
Example 5
As shown in fig. 1-2, the control box 2 is fixed to the upper portion of the valve body through a flange seat 4 and a U-shaped hoop 5, the flange seat 4 includes a flange plate 41 and a first support plate 42 and a second support plate 43, the plate surfaces of which are relatively vertically arranged at two ends of the flange plate, the control box 2 is fixed to the flange plate 41 through fastening screws, the lower portions of the first support plate 42 and the second support plate 43 are provided with a downward-bent arc-shaped groove 421, the shape of which is matched with the shape of the side surface of the water outlet short pipe, which is used for being erected on the water outlet short pipe, the bottom of two ends of the arc-shaped groove 421 is bent inward to be provided with a U-shaped hoop hole, and a U-shaped hoop hole is also provided at a position corresponding to the flange plate 41, so that the U-shaped hoop 5 is fitted around the water outlet short pipe and then passes through the U-shaped hoop hole, and is fixed to the flange plate through a nut. Preferably, a small flange seat 6 is further arranged below the flange seat 4, the small flange seat 6 includes a small flange plate 61 and a first small support plate 62 and a second small support plate 63, the plate surfaces of which are vertically arranged at two ends of the small flange plate 61, the small flange plate 61 is fixed below the flange plate 41, the first small support plate 62 and the second small support plate 63 are perpendicular to the first support plate 42 and the second support plate 43, the lower parts of the first support plate 42 and the second support plate 43 are provided with a small arc-shaped groove 621 which is used for erecting the valve body and is bent downwards and matched with the side shape of the valve body, the top of the arc-shaped groove 621 extends to the horizontal direction to form a carrying block 622, the carrying block 622 is used for assisting in lifting the intelligent irrigation valve when the intelligent irrigation valve is installed, and the carrying block can be used for installing a crop growth information collecting device such as a camera and the like in the later period.
Or as a preferred scheme, the control box is fixed on the upper part of the valve body through a flange seat, and the lower end of the output shaft of the vertical transmission mechanism is vertically connected with the valve core of the ball valve through a valve rod and the same axis center; the flange seat comprises a first fastening flange plate and a second fastening flange plate which are arranged horizontally and vertically, and a first supporting plate and a second supporting plate which are arranged at the left end and the right end of the first fastening flange plate and the second fastening flange plate are arranged relatively, the first fastening flange plate, the second fastening flange plate and the corresponding valve body are respectively provided with a fastening threaded hole correspondingly on the upper part of the valve body, a valve rod hole is formed in the middle of the first fastening flange plate and the second fastening flange plate, a triangular solar panel fixing pile horizontally extends from the front end or the rear end of the first fastening flange plate, the flange seat passes through the second fastening flange plate and is fixed on the upper part of the valve body, and the control box is fixed above the first fastening flange plate.
Example 6
The utility model provides an intelligent irrigation system, its module block diagram is as shown in figure 7, including irrigating pipe network, wireless communication system and control terminal, irrigation pipe network's irrigation well all is equipped with above-mentioned intelligent irrigation valve on with the play water stake, go out water stake department intelligent irrigation valve near still be equipped with meteorological information collection system, soil moisture content information collection system and the crop growth information collection system that data acquisition module is connected, control terminal acquires the pressure flow information, meteorological information, soil moisture content information and the crop growth information that all intelligent irrigation valves that come from irrigation pipe network gathered through wireless communication system, automatic control irrigation pipe network's intelligent irrigation valve open and close and the aperture, realize accurate irrigation.
Specifically, the control terminal comprises a remote control host and/or a mobile phone. The feedback control of the ball valve at the control terminal comprises an automatic adjustment control mode and a manual input control mode, under the automatic adjustment control mode, areas needing irrigation are comprehensively judged according to pressure flow information, meteorological information, soil moisture content information, crop growth information and the like collected by the data acquisition module, and the ball valve is started to a proper opening degree according to the areas needing irrigation and drought conditions to irrigate. Under the manual input control mode, a user can adjust the irrigation range and the irrigation time according to various information, particularly real-time soil moisture content information and crop growth information, acquired by the data acquisition module.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (8)

1. An intelligent irrigation valve is characterized by comprising a ball valve, a solar power storage system and a control box, wherein the control box comprises a motor box and a transmission box, the transmission box is of an upper-layer structure and a lower-layer structure, the upper-layer box is used for fixing a controller, and the lower-layer box is used for placing a vertical transmission mechanism; the controller comprises a control panel, the control panel comprises a data acquisition module connected with a pressure sensor at the water outlet of the ball valve and a wireless communication module for data transmission with a control terminal, and a motor spindle of the motor box is coaxially and horizontally connected with an input shaft of the vertical transmission mechanism; the lower end of the output shaft of the vertical transmission mechanism is coaxially and vertically connected with a valve core of the ball valve; the controller also comprises a valve opening gear feedback plate, and a gear controller is arranged on the valve opening gear feedback plate; the upper end of an output shaft of the vertical transmission mechanism is coaxially and vertically connected with the gear controller, the gear controller is a magnetic encoder, the magnetic encoder feeds back an opening gear of the ball valve to a control terminal, and when a valve core of the ball valve rotates to an opening gear corresponding to a proper pressure value of a water outlet, the controller controls the motor to stop rotating; the ball valve is under the feedback control of the control terminal, and a valve core of the ball valve is driven to rotate to an opening gear corresponding to the proper pressure value of the water outlet through a motor and a vertical transmission mechanism; the feedback control of the ball valve at the control terminal comprises an automatic adjustment control mode, under the automatic adjustment control mode, the area needing irrigation is comprehensively judged according to the pressure flow information, the meteorological information, the soil moisture content information and the crop growth information which are collected by the data collection module, and the ball valve is started to a proper opening degree according to the area needing irrigation and the drought for irrigation;
the ball valve comprises a surface valve, wherein the bottom of a valve body of the surface valve is provided with a short water inlet pipe, the side surface of the valve body of the surface valve is provided with a short water outlet pipe, a corresponding valve core of the surface valve comprises a bottom water inlet and a side surface water outlet, the side surface of the valve body of the surface valve is provided with two opposite short water outlet pipes, and the valve core of the surface valve is provided with a side surface water outlet; or the side surface of the valve body of the surface valve is provided with two opposite short water outlet pipes, and the valve core of the surface valve is provided with two side water outlets which are vertical to each other; or the side surface of the surface valve body is provided with two opposite short water outlet pipes, and the valve core of the surface valve is provided with two opposite side surface water outlets; or the side surface of the valve body of the surface valve is provided with four water outlet short pipes which are arranged oppositely in pairs, the two water outlet short pipes on the same side are arranged in an acute angle or a right angle, the valve core of the surface valve is provided with four side surface water outlets which are arranged oppositely in pairs or the valve core is provided with two side surface water outlets which are arranged in an acute angle; the upper part of the valve core of the surface valve is butted with the output shaft of the vertical transmission mechanism through a valve rod.
2. The intelligent irrigation valve as claimed in claim 1, wherein the input shaft is provided with a shaped through hole at the axial center position, and a manual hole is provided at the lower tank body position for fixing the input shaft corresponding to the shaped through hole; the main shaft of the motor is connected with the input shaft through a sleeve which is coaxial with the main shaft, and an elastic device is arranged at the connecting end of the sleeve and the main shaft, so that the sleeve can move towards the main shaft under the action of external force penetrating through the special-shaped through hole and is separated from the input shaft; the section of the special-shaped through hole is a regular polygon, and the intelligent irrigation valve further comprises a manual rod matched with the special-shaped through hole in shape; or the section of the special-shaped through hole is a regular hexagon corresponding to the hexagonal rod-shaped wrench.
3. The intelligent irrigation valve as claimed in claim 2, wherein the vertical transmission mechanism is a worm and gear transmission structure with a large deceleration ratio, the output shaft is a worm gear shaft, the input shaft is a worm, two ends of the worm are fixed to the lower tank body through deep groove ball bearings, a step shaft extends outwards from one end of the worm close to the motor tank, and a free end of the step shaft is a special-shaped shaft; the sleeve is the solid construction that has the blind hole for both ends are opened, the sleeve is kept away from the blind hole of motor case one end with the dysmorphism axle looks gomphosis of step axle free end, the sleeve is close to the blind hole of motor case one end with motor spindle looks gomphosis, just when resilient means is in free state, the sleeve is close to distance between the blind hole bottom of motor case one end and this side motor spindle axle terminal surface is greater than the length of step axle.
4. The intelligent irrigation valve of claim 2 wherein the wireless communication module comprises a narrowband internet of things communication module.
5. The intelligent irrigation valve according to claim 1, wherein the control box is fixed to the upper portion of the valve body through a flange seat, and the lower end of the output shaft of the vertical transmission mechanism is vertically connected with the valve core of the ball valve coaxially through a valve rod; the flange seat comprises a first fastening flange plate and a second fastening flange plate which are arranged horizontally and vertically in a relative opposite mode, and a first supporting plate and a second supporting plate which are arranged at the left end and the right end of the first fastening flange plate and the second fastening flange plate in a vertical relative mode, the upper portions of the first fastening flange plate, the second fastening flange plate and the corresponding valve body are respectively and correspondingly provided with a fastening threaded hole, a valve rod hole is formed in the middle of the first fastening flange plate and the middle of the second fastening flange plate, a triangular solar panel fixing pile horizontally extends from the front end or the rear end of the first fastening flange plate, the flange seat is fixed to the upper portion of the valve body through the second fastening flange plate, and the control box is fixed above the first fastening flange plate;
or the control box is fixed on the upper part of the valve body through a flange seat and a U-shaped hoop, the flange seat comprises a flange plate and a first support plate and a second support plate, the plate surfaces of the first support plate and the second support plate are relatively and vertically arranged at two ends of the flange plate, the control box is fixed on the flange plate, the lower parts of the first support plate and the second support plate are provided with downward-bent arc-shaped grooves which are used for being erected on the water outlet short pipe and are matched with the side surface shape of the water outlet short pipe, two end parts of the arc-shaped grooves are horizontally bent and provided with U-shaped hoop hole sites, and U-shaped hoop hole sites are also arranged at the positions corresponding to the flange plate and used for enabling the U-shaped hoop to be clamped on the water outlet short pipe and then to penetrate through the hole sites and to be fixed on the flange plate through nuts;
or a small flange seat is further arranged below the flange seat, the small flange seat comprises a small flange plate and a first small support plate and a second small support plate, the surfaces of the first small support plate and the second small support plate are vertically arranged at two ends of the small flange plate relatively, the small flange plate is fixed below the flange plate, the first small support plate and the second small support plate are perpendicular to the first support plate and the second support plate, small arc-shaped grooves which are used for being erected on the valve body and are downward bent and matched with the side surface of the valve body in shape are formed in the lower portions of the first support plate and the second support plate, and a carrying block extends towards the horizontal direction from the tops of the small arc-shaped grooves.
6. The intelligent irrigation valve according to claim 1, wherein the ball valve comprises a well valve, the well valve comprises a well valve body and a well valve core, the intelligent irrigation valve further comprises a driving rod connecting the vertical transmission mechanism output shaft and the well valve core, and a flange rod sleeved outside the driving rod, the upper end and the lower end of the flange rod are respectively provided with a flange seat connected with the control box and the well valve body, and the length of the driving rod and the length of the flange rod are at least equal to the depth of the irrigation well.
7. The intelligent irrigation valve as claimed in claim 6, wherein the well valve is a three-way valve with a water inlet and a water outlet on the same horizontal plane, a cylindrical bearing seat for fixing a pressure bearing is arranged at the bottom of the inner surface of the well valve body, and the bottom of the well valve core is fixed at the upper part of the pressure bearing.
8. The utility model provides an intelligent irrigation system, its characterized in that, includes irrigation pipe network, wireless communication system and control terminal, irrigation pipe network's irrigation well and/or play water pile all are equipped with one of claim 1-7 intelligent irrigation valve, go out water pile department intelligent irrigation valve near still be equipped with weather information collection system, soil moisture content information acquisition device and the crop growth information acquisition device that the data acquisition module is connected, control terminal obtains the pressure flow information, weather information, soil moisture content information and the crop growth information that all intelligent irrigation valves that come from irrigation pipe network gathered through wireless communication system, automatic control irrigation pipe network's intelligent irrigation valve opens and close and the gear, realizes accurate irrigation.
CN202010225892.0A 2020-03-26 2020-03-26 Intelligent irrigation valve and irrigation system Active CN111288200B (en)

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