CN114600611B - Digital irrigation system for fruit and vegetable cultivation in facility - Google Patents
Digital irrigation system for fruit and vegetable cultivation in facility Download PDFInfo
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- CN114600611B CN114600611B CN202210206142.8A CN202210206142A CN114600611B CN 114600611 B CN114600611 B CN 114600611B CN 202210206142 A CN202210206142 A CN 202210206142A CN 114600611 B CN114600611 B CN 114600611B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/247—Watering arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a digital irrigation system for facility fruit and vegetable cultivation, which belongs to the field of agriculture and comprises a mounting frame, wherein a plurality of groups of humidity sensors are uniformly distributed on the mounting frame, a plurality of irrigation boxes are mounted on the side wall of the lower end of the mounting frame, the irrigation boxes are arranged in a hollow manner, L-shaped openings are formed in the bottom wall of each irrigation box and between two parallel side walls of each irrigation box, driving motors are mounted on the inner walls of the tops of the irrigation boxes, each driving motor is electrically connected with one group of humidity sensors, and the driving motors are connected with angle positioning components.
Description
Technical Field
The invention relates to the field of agriculture, in particular to a digital irrigation system for fruit and vegetable cultivation in a facility.
Background
The area of gardening facilities in China reaches 2840 ten thousand acres, wherein the solar greenhouse accounts for about 31 percent, and the types of planted fruits and vegetables mainly comprise fruits and vegetables such as tomatoes, cucumbers, melons, eggplants, hot peppers and the like. The out-of-season cultivation of facilities has become an important part of the daily supply of fruits and vegetables for people.
When fruit and vegetable are planted in a greenhouse or a greenhouse and are irrigated to different types of fruit and vegetable, the amount of water and fertilizer is different, the growth time periods of the fruit and vegetable are different, in addition, the water and fertilizer is sprayed everywhere in the irrigation process, the absorption efficiency of the fruit and vegetable is lower, and great waste is caused.
Therefore, a digital irrigation system for fruit and vegetable cultivation in a facility is provided to solve the problems.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a digital irrigation system for fruit and vegetable cultivation in a facility, which can automatically adjust the spraying area and irrigation amount according to the type and growth time period of fruits and vegetables, thereby effectively solving the problem of using amount of water and fertilizer, making an accurate irrigation instruction and realizing intellectualization of water and fertilizer irrigation of different crops.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a digital irrigation system of facility fruit vegetable cultivation, includes the mounting bracket, install multiunit evenly distributed's humidity transducer on the mounting bracket, a plurality of watering casees are installed to the lower extreme lateral wall of mounting bracket, watering case cavity sets up, and all sets up the opening of L font between the diapire of watering case and the lateral wall of two parallels, driving motor is installed to the top inner wall of watering case, every the electricity is connected between driving motor and the a set of humidity transducer, driving motor is connected with angle positioning component, the inner wall of watering case still is provided with the shower nozzle, the shower nozzle is connected with angle positioning component, and outside the shower nozzle passed the opening and extended to the watering case, the one end of shower nozzle is connected with the hose. The irrigation system based on the intelligent coupling of the water and fertilizer and the crop transpiration is characterized in that related parameters are collected in a digital mode, accurate irrigation instructions are made through intelligent analysis of a cloud platform, the intellectualization of water and fertilizer irrigation of different crops is achieved, the angle of a spray head and the amount of the used water and fertilizer are adjusted according to the type and the growth time of actual fruits and vegetables, and therefore waste is avoided.
Further, the angle location subassembly includes ball, ball's one end and driving motor's power shaft are connected, ball's the other end and the bottom inner wall rotation of watering case are connected, the last moving part that matches that is provided with of ball, the both sides lateral wall of moving part and the inner wall sliding connection of watering case, the other both sides lateral wall of moving part all is connected with the rack, watering case's inner wall rotation is connected with two sector gear, two sector gear respectively with two rack toothing, shower nozzle fixed mounting is in one side of sector gear. Utilize ball to drive the moving part and remove, and then drive rack steady movement, and can carry on spacingly, guarantee the stability of shower nozzle, avoid rocking at the in-process that sprays and lead to parts such as shower nozzle to damage, can drive sector gear positive and negative rotation about the rack moreover, angle control range is enough big, and it is strong to adjust the controllability simultaneously.
Further, the inner wall of watering case is provided with a plurality of distance sensor, every the equal fixedly connected with in upper end of rack and the measuring part that distance sensor corresponds, distance sensor respectively with humidity transducer and driving motor between electric connection. Utilize distance sensor can obtain the displacement fast, and then according to the angle of displacement rapid survey removal to adapt to different types of fruit vegetables, guarantee the accuracy of angle modulation.
Further, sector gear's lateral wall fixedly connected with pivot, the axis of pivot and sector gear's axis coincidence, be provided with first drive wheel in the pivot, the inner wall of watering case rotates and is connected with the round bar, fixed cover is equipped with the second drive wheel on the round bar, first drive wheel with connect through the drive belt transmission between the second drive wheel, the one end of round bar is fixedly connected with cam still, the cam offsets with the hose. Utilize the drive belt to drive the cam and rotate, make hose bending angle great when angle regulation like this, the cam can support the hose, makes it be in comparatively taut state to avoid receiving the impaired, condition such as rupture of pipeline that the extrusion leads to because of the hose, improve the security of pipeline when using, this technological problem who has solved the technological personnel new appearance when using of field technical staff.
Furthermore, the side wall of the cam is provided with a groove, the projection of the groove is semicircular, the diameter of the groove is larger than the outer diameter of the hose, the cam is cylindrical, and the cam rotates by taking an axis far away from the circle center as a shaft. Through set up the recess on the cam, can guarantee that the cam can block the position of hose always when rotating, avoid cam and hose to break away from, and then make the cam can play limiting displacement to the hose all the time.
Furthermore, the transmission ratio of the first transmission wheel to the second transmission wheel is less than 1.5, and the rotation angle of the sector gear is 0-135 degrees. Through the setting of the transmission ratio of the first transmission wheel and the second transmission wheel, the rotating angle of the cam can be effectively controlled, so that the cam can be stably controlled to effectively abut against the loosened hose when the sector gear rotates.
Further, the central control box is further included, an operation module is arranged in the central control box and used for calculating the relation between the rotation angle of the sector gear and the movement distance of the rack, and the calculation formula is as follows: l = W pi R180, wherein, L is rack displacement, and W is turned angle, and R is sector gear's radius of rotation, well accuse case respectively with driving motor, humidity transducer, distance sensor electric connection. Utilize the operation module can be fast accurately according to the distance that the rack removed calculate shower nozzle pivoted angle, can match the kind and the growth time quantum of the fruit and vegetable that correspond like this according to the size of angle to accurately, effectively water different fruit and vegetable, practice thrift the liquid manure.
Furthermore, the central control box also comprises a setting module, an identification module and a matching module;
the setting module is used for inputting the types of fruits and vegetables, the growth time periods of the fruits and vegetables, the transpiration amounts of different types of fruits and vegetables in corresponding time periods and the quantity of the fruits and vegetables in a preset area;
the identification module is used for identifying the fruit and vegetable types;
the matching module measures the humidity in the preset area through the humidity sensor to match the corresponding fruit and vegetable type growth time period, and adjusts the angle of the spray head and the water and fertilizer spraying amount according to the fruit and vegetable type and the growth time period. When different fruits and vegetables are watered, the angle of the spray head and the amount of sprayed water and fertilizer are preset according to the transpiration amount, the type of the fruits and vegetables, the growing time period and the quantity of the fruits and vegetables, and the type of the fruits and vegetables is identified according to the identification module which can adopt the prior art, such as a method and a system for identifying the fruits and vegetables: ( CN103093208B ) Fruit and vegetable identification pretreatment method based on visual subject detection CN107316037B ) And the type of the fruits and vegetables is identified, so that accurate irrigation instructions can be made according to factors such as the types of the fruits and vegetables, the transpiration amount and the like.
Further, the distance sensor is set to be a laser range finder, and the measuring piece is a reflecting plate. The laser range finder is used for measuring the distance accurately, the influence of humidity and the like can be effectively avoided, and the service life is long.
Furthermore, the inner wall of the irrigation box is fixedly connected with a linear slide rail, the linear slide rail is arranged in parallel with the ball screw, the moving part is fixedly connected with a sliding part, and the sliding part is connected with the linear slide rail in a sliding manner. The linear sliding rail and the sliding part can effectively control the moving part to linearly move along the ball screw, so that the accuracy of measuring the moving distance of the rack is ensured.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) This scheme is to the fruit vegetables such as facility (vinyl house and sunlight greenhouse) main vegetables tomato, cucumber, melon, eggplant, hot pepper, develops one set of irrigation system based on liquid manure and the intelligent coupling of crop transpiration, and its relevant parameter digital collection through cloud platform intelligent analysis, makes accurate irrigation instruction, realizes the intellectuality of different crop liquid manure irrigation to according to the kind and the growing time of actual fruit vegetables, adjust the angle and the use liquid manure volume of shower nozzle, thereby avoid extravagant.
(2) Utilize ball to drive the moving part and remove, and then drive rack steady movement, and can carry on spacingly, guarantee the stability of shower nozzle, avoid rocking at the in-process that sprays and lead to parts such as shower nozzle to damage, can drive sector gear positive and negative rotation about the rack moreover, angle control range is enough big, and it is strong to adjust the controllability simultaneously.
(3) Utilize distance sensor can obtain the displacement fast, and then according to the angle that the displacement rapid survey removed to adapt to different types of fruit vegetables, guarantee angle modulation's accuracy.
(4) Utilize the drive belt to drive the cam and rotate, make hose bending angle great when angle regulation like this, the cam can support the hose, makes it be in comparatively taut state to avoid receiving the impaired circumstances such as fracture of pipeline that the extrusion leads to because of the hose, improve the security of pipeline when using, this technological problem who has solved the technological personnel of this field and newly appear when using.
(5) Through set up the recess on the cam, can guarantee that the cam can block the position of hose when rotating always, avoid cam and hose to break away from, and then make the cam can play limiting displacement to the hose all the time.
(6) Through the setting of the transmission ratio of the first transmission wheel and the second transmission wheel, the rotating angle of the cam can be effectively controlled, so that the cam can be stably controlled to effectively abut against the loosened hose when the sector gear rotates.
(7) Utilize the operation module can be fast accurately according to the distance that the rack removed calculate shower nozzle pivoted angle, can match the kind and the growth time quantum of the fruit and vegetable that correspond like this according to the size of angle to accurately, effectively water different fruit and vegetable, practice thrift the liquid manure.
(8) When different fruits and vegetables are watered, the angle of the spray head and the amount of sprayed fertilizer are preset according to the transpiration amount, the type of the fruits and vegetables, the growth time period and the quantity of the fruits and vegetables, and the type of the fruits and vegetables is identified according to the identification module, wherein the identification module can adopt the prior art, such as a method and a system for identifying the fruits and vegetables (A) CN103093208B ) Fruit and vegetable identification preprocessing method based on visual subject detection CN107316037B ) And the type of the fruits and vegetables is identified, so that accurate irrigation instructions can be made according to factors such as the types of the fruits and vegetables, the transpiration amount and the like.
(9) The laser range finder is used for measuring the distance accurately, the influence of humidity and the like can be effectively avoided, and the service life is long.
(10) The linear sliding rail and the sliding part can effectively control the moving part to linearly move along the ball screw, so that the accuracy of measuring the moving distance of the rack is ensured.
Drawings
FIG. 1 is a schematic view of the connection between the mounting frame and the pouring box of the present invention;
FIG. 2 is a side view of the mounting bracket of the present invention;
FIG. 3 is a schematic view of the internal structure of the pouring box of the present invention;
FIG. 4 is a schematic view of the cam and gear segment drive configuration of the present invention;
FIG. 5 is a schematic view of a cylindrical cam of the present invention;
FIG. 6 is a perspective view of the pouring box of the present invention;
FIG. 7 is a schematic view of the cam and groove configuration of the present invention;
FIG. 8 is a schematic structural diagram of a center console box of the present invention;
FIG. 9 is a side view of the cam and sector gear of the present invention;
fig. 10 is a cross-sectional view of the mounting frame and pouring box of the present invention.
The numbering in the figures illustrates:
1. a mounting frame; 2. a humidity sensor; 3. a watering box; 4. an opening; 5. a drive motor; 6. an angle positioning assembly; 601. a ball screw; 602. a movable member; 603. a rack; 604. a sector gear; 7. a spray head; 8. a hose; 9. a distance sensor; 10. a measuring member; 11. a rotating shaft; 12. a first drive pulley; 13. a round bar; 14. a second transmission wheel; 15. a transmission belt; 16. a cam; 17. a groove; 18. a central control box; 19. an operation module; 20. a setting module; 21. an identification module; 22. and a matching module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-10, a digital irrigation system for fruit and vegetable cultivation in a facility comprises an installation frame 1, a plurality of groups of humidity sensors 2 which are uniformly distributed are installed on the installation frame 1, a plurality of irrigation boxes 3 are installed on the side wall of the lower end of the installation frame 1, the irrigation boxes 3 are arranged in a hollow mode, an L-shaped opening 4 is formed between the bottom wall of each irrigation box 3 and two parallel side walls, a driving motor 5 is installed on the inner wall of the top of each irrigation box 3, each driving motor 5 is electrically connected with one group of humidity sensors 2, each driving motor 5 is connected with an angle positioning assembly 6, a spray head 7 is further arranged on the inner wall of each irrigation box 3, each spray head 7 is connected with the angle positioning assembly 6, each spray head 7 penetrates through the opening 4 to extend to the outside of each irrigation box 3, and one end of each spray head 7 is connected with a hose 8. The irrigation system based on the intelligent coupling of the water and fertilizer and the crop transpiration is characterized in that related parameters are collected in a digital mode, accurate irrigation instructions are made through intelligent analysis of a cloud platform, the intellectualization of water and fertilizer irrigation of different crops is achieved, the angle of the spray head 7 and the amount of the used water and fertilizer are adjusted according to the type and the growth time of actual fruits and vegetables, and therefore waste is avoided.
Referring to fig. 3, the angle positioning assembly 6 includes a ball screw 601, one end of the ball screw 601 is connected to the power shaft of the driving motor 5, the other end of the ball screw 601 is rotatably connected to the inner bottom wall of the irrigation tank 3, a movable member 602 matched with the ball screw 601 is disposed on the ball screw 601, two side walls of the movable member 602 are slidably connected to the inner wall of the irrigation tank 3, the other two side walls of the movable member 602 are both connected to a rack 603, the inner wall of the irrigation tank 3 is rotatably connected to two sector gears 604, the two sector gears 604 are respectively engaged with the two racks 603, and the spray head 7 is fixedly mounted on one side of the sector gear 604. Utilize ball 601 to drive moving part 602 and remove, and then drive rack 603 steady movement, and can carry on spacingly, guarantee the stability of shower nozzle 7, avoid rocking at the in-process that sprays and lead to parts such as shower nozzle 7 to damage, rack 603 can drive sector gear 604 positive and negative rotation from top to bottom in addition, and angle control range is enough big, and it is strong to adjust the controllability simultaneously.
The motor drives the ball screw 601 to rotate, the ball screw 601 drives the moving piece 602 to move up and down, the moving piece 602 drives the rack 603 to move up and down, the rack 603 drives the sector gear 604 to rotate forward and backward, and the sector gear 604 drives the spray head 7 to rotate, so that the rotating angle of the spray head 7 is adjusted.
Referring to fig. 3, a plurality of distance sensors 9 are disposed on the inner wall of the irrigation box 3, a measuring element 10 corresponding to the distance sensor 9 is fixedly connected to the upper end of each rack 603, and the distance sensors 9 are electrically connected to the humidity sensor 2 and the driving motor 5 respectively. The moving distance of the rack 603 can be rapidly obtained by using the distance sensor 9, and then the moving angle can be rapidly measured according to the moving distance, so that the device is suitable for different types of fruits and vegetables, and the accuracy of angle adjustment is ensured.
Referring to fig. 4, 5 and 9, a rotating shaft 11 is fixedly connected to a side wall of the sector gear 604, an axis of the rotating shaft 11 coincides with an axis of the sector gear 604, a first driving wheel 12 is arranged on the rotating shaft 11, a round bar 13 is rotatably connected to an inner wall of the pouring box 3, a second driving wheel 14 is fixedly sleeved on the round bar 13, the first driving wheel 12 and the second driving wheel 14 are in driving connection through a driving belt 15, a cam 16 is further fixedly connected to one end of the round bar 13, and the cam 16 abuts against the hose 8. Utilize drive belt 15 to drive cam 16 and rotate, make hose 8 bending angle great when angle regulation like this, cam 16 can support hose 8, make it be in comparatively taut state to avoid receiving the circumstances such as the pipeline that the extrusion leads to is impaired, is ruptured because of hose 8, improve the security of pipeline when using, this technological problem who has solved the technological personnel of the field and newly appear when using.
When adjusting 7 angles of shower nozzle, can play certain guard action to hose 8, avoid shower nozzle 7 to receive the extrusion at removal in-process hose 8, and make the pressure increase between hose 8 and the rivers, protection hose 8 makes it have certain buffering effect, avoids extrudeing hose 8 because of water pressure is too big.
Referring to fig. 7, a groove 17 is formed in a side wall of the cam 16, a projection of the groove 17 is configured to be semicircular, a diameter of the groove 17 is larger than an outer diameter of the hose 8, the cam 16 is cylindrical, and the cam 16 rotates around an axis far from a center of a circle. Through set up recess 17 on cam 16, can guarantee that cam 16 can block the position of hose 8 when rotating all the time, avoid cam 16 and hose 8 to break away from, and then make cam 16 can play limiting displacement to hose 8 all the time.
Referring to fig. 4 and 5, the transmission ratio of the first transmission wheel 12 and the second transmission wheel 14 is less than 1.5, and the rotation angle of the sector gear 604 is 0-135 °. The angle of rotation of the cam 16 can be effectively controlled by the setting of the transmission ratio of the first transmission wheel 12 and the second transmission wheel 14, so that the cam 16 can be stably controlled to effectively abut against the loosened hose 8 when the sector gear 604 rotates.
Referring to fig. 8, the central control box 18 is further included, an operation module 19 is disposed in the central control box 18, the operation module 19 is configured to calculate a relationship between a rotation angle of the sector gear 604 and a moving distance of the rack 603, and a calculation formula is as follows: l = W pi R/180, where L is the moving distance of the rack 603, W is the rotation angle, R is the rotation radius of the sector gear 604, and the central control box 18 is electrically connected to the driving motor 5, the humidity sensor 2, and the distance sensor 9, respectively. Utilize operation module 19 can be fast accurately according to the distance that rack 603 removed to calculate shower nozzle 7 pivoted angle, can match the kind and the growth time quantum of the fruit and vegetable that correspond like this according to the size of angle to accurately, effectively water different fruit and vegetable, practice thrift the liquid manure.
The central control box 18 further comprises a setting module 20, an identification module 21 and a matching module 22;
the setting module 20 is used for inputting the types of fruits and vegetables, the growth time periods of the fruits and vegetables, the transpiration amounts of different types of fruits and vegetables in corresponding time periods, and the quantity of the fruits and vegetables in a preset area;
the identification module 21 is used for identifying the fruit and vegetable types;
the matching module 22 measures the humidity in the preset area through the humidity sensor 2 to match the growth time period of the corresponding fruit and vegetable type, and adjusts the angle of the spray head 7 and the amount of sprayed water and fertilizer according to the fruit and vegetable type and the growth time period. When different fruits and vegetables are irrigated, the angle of the spray head 7 and the amount of sprayed water and fertilizer are preset according to the transpiration amount, the type of the fruits and vegetables, the growth time period and the quantity of the fruits and vegetables, and the type of the fruits and vegetables is identified according to the identification module 21, the identification module 21 can identify the type of the fruits and vegetables by adopting the prior art, such as a fruit and vegetable identification method and system (CN 103093208B) and a fruit and vegetable identification preprocessing method (CN 107316037B) based on visual subject detection, so that accurate irrigation instructions can be made according to the type of the fruits and vegetables, the transpiration amount and other factors.
Referring to fig. 3, the distance sensor 9 is configured as a laser range finder and the measuring member 10 is a reflector. The laser range finder is used for measuring the distance accurately, the influence of humidity and the like can be effectively avoided, and the service life is long.
The inner wall of the pouring box 3 is fixedly connected with a linear slide rail, the linear slide rail is arranged in parallel with the ball screw 601, the moving part 602 is fixedly connected with a sliding part, and the sliding part is connected with the linear slide rail in a sliding manner. The linear sliding rail and the sliding part can effectively control the movable part 602 to move linearly along the ball screw 601, thereby ensuring the accuracy of measuring the moving distance of the rack 603.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.
Claims (7)
1. The utility model provides a digital irrigation system of facility fruit vegetable cultivation, includes mounting bracket (1), its characterized in that: the humidity monitoring device is characterized in that a plurality of groups of humidity sensors (2) which are uniformly distributed are installed on the installation rack (1), a plurality of irrigation boxes (3) are installed on the side wall of the lower end of the installation rack (1), the irrigation boxes (3) are arranged in a hollow mode, an L-shaped opening (4) is formed between the bottom wall of each irrigation box (3) and two parallel side walls, a driving motor (5) is installed on the inner wall of the top of each irrigation box (3), each driving motor (5) is electrically connected with one group of humidity sensors (2), each driving motor (5) is connected with an angle positioning assembly (6), a sprayer (7) is further arranged on the inner wall of each irrigation box (3), each sprayer (7) is connected with each angle positioning assembly (6), each sprayer (7) penetrates through the corresponding opening (4) to extend out of each irrigation box (3), and one end of each sprayer (7) is connected with a hose (8);
the angle positioning assembly (6) comprises a ball screw (601), one end of the ball screw (601) is connected with a power shaft of the driving motor (5), the other end of the ball screw (601) is rotatably connected with the inner wall of the bottom of the irrigation box (3), a moving part (602) matched with the ball screw is arranged on the ball screw (601), the side walls of two sides of the moving part (602) are slidably connected with the inner wall of the irrigation box (3), the side walls of the other two sides of the moving part (602) are both connected with racks (603), the inner wall of the irrigation box (3) is rotatably connected with two sector gears (604), the two sector gears (604) are respectively meshed with the two racks (603), and the spray head (7) is fixedly installed on one side of the sector gears (604);
a plurality of distance sensors (9) are arranged on the inner wall of the irrigation box (3), the upper end of each rack (603) is fixedly connected with a measuring piece (10) corresponding to each distance sensor (9), and each distance sensor (9) is electrically connected with the humidity sensor (2) and the driving motor (5);
lateral wall fixedly connected with pivot (11) of sector gear (604), the axis of pivot (11) and the axis coincidence of sector gear (604), be provided with first drive wheel (12) on pivot (11), the inner wall of watering case (3) rotates and is connected with round bar (13), fixed cover is equipped with second drive wheel (14) on round bar (13), first drive wheel (12) with connect through drive belt (15) transmission between second drive wheel (14), fixedly connected with cam (16) are gone back to the one end of round bar (13), cam (16) offset with hose (8).
2. The digital irrigation system for fruit and vegetable cultivation in facility according to claim 1, wherein: the side wall of the cam (16) is provided with a groove (17), the projection of the groove (17) is semicircular, the diameter of the groove (17) is larger than the outer diameter of the hose (8), the cam (16) is cylindrical, and the cam (16) rotates by taking an axis far away from the circle center as an axis.
3. The digital irrigation system for fruit and vegetable cultivation in facility according to claim 1, wherein: the transmission ratio of the first transmission wheel (12) to the second transmission wheel (14) is less than 1.5, and the rotation angle of the sector gear (604) is 0-135 degrees.
4. The digital irrigation system for fruit and vegetable cultivation in facility according to claim 1, wherein: the gear rack control system is characterized by further comprising a central control box (18), wherein an operation module (19) is arranged in the central control box (18), the operation module (19) is used for calculating the relation between the rotation angle of the sector gear (604) and the moving distance of the rack (603), and the calculation formula is as follows: l = W pi R/180, wherein L is the moving distance of the rack (603), W is the rotating angle, R is the rotating radius of the sector gear (604), and the central control box (18) is electrically connected with the driving motor (5), the humidity sensor (2) and the distance sensor (9) respectively.
5. The digital irrigation system for fruit and vegetable cultivation in facility according to claim 4, wherein: the central control box (18) further comprises a setting module (20), an identification module (21) and a matching module (22);
the setting module (20) is used for inputting the types of fruits and vegetables, the growth time periods of the fruits and vegetables, the transpiration amounts of different types of fruits and vegetables in corresponding time periods and the quantity of the fruits and vegetables in a preset area;
the identification module (21) is used for identifying the fruit and vegetable types;
the matching module (22) measures the humidity in the preset area through the humidity sensor (2) to match the corresponding fruit and vegetable type growth time period, and adjusts the angle of the spray head (7) and the water and fertilizer spraying amount according to the fruit and vegetable type and the growth time period.
6. The digital irrigation system for fruit and vegetable cultivation in facility according to claim 1, wherein: the distance sensor (9) is set as a laser range finder, and the measuring piece (10) is a reflector.
7. The digital irrigation system for fruit and vegetable cultivation in facility according to claim 1, wherein: the inner wall of the irrigation box (3) is fixedly connected with a linear slide rail, the linear slide rail is arranged in parallel with the ball screw (601), the moving part (602) is fixedly connected with a sliding part, and the sliding part is connected with the linear slide rail in a sliding manner.
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