CN117652314A - Circulation seedling raising device and seedling raising method - Google Patents

Abstract

The application discloses a circulation seedling raising device and a seedling raising method, wherein the circulation seedling raising device comprises a seedling raising box, a water supply mechanism, a plurality of support plates sliding in the seedling raising box, a light detection mechanism, a plurality of seedling raising cylinders arranged on the support plates and a plurality of detection mechanisms; the detection mechanism comprises a detection frame, a spot check assembly, a control assembly, a weighing assembly and a setting assembly which are arranged on the support plate in a sliding manner; the weighing assembly comprises a base fixed on the detection frame, a weighing rod hinged with the base, a weighing tray, an approval tray and a marking part, wherein the weighing tray and the approval tray are respectively fixed at two ends of the weighing rod, and the middle part of the weighing rod is hinged with the base. The method and the device have the advantages that the water content in the seedling raising barrel is subjected to real-time sampling inspection, the water content in the seedling raising barrel is accurately controlled to meet the standard, and the seedling raising production and growth environment is ensured.

Description

Circulation seedling raising device and seedling raising method

Technical Field

The application relates to the field of agricultural seedling cultivation, in particular to a circulating seedling cultivation device and a seedling cultivation method.

Background

The current seedling raising technology is a technology for cultivating young plants in seedbeds firstly by transplanting cultivated vegetables, flowers and the like. The cultivation adopts a seedling transplanting mode, is convenient for carrying out fine management on seedlings, can also utilize artificial protection facilities to control environmental conditions of growth and development in a seedling stage, is beneficial to improving the seedling rate, early sowing and harvesting time, and carries out cultivation in seasons which are unfavorable for vegetable growth, the existing greenhouse seedling is mainly characterized in that seedling cylinders filled with seedling soil and seeds are closely arranged together, the stability of the seedling cylinders is improved by mutually abutting, and meanwhile, the space is saved, but the problems are more as follows: the seedlings are close to each other to cause small distance and are not easy to move, the phenomenon of shielding each other exists after the seedlings grow for a period of time, sunlight cannot be fully absorbed, the seedlings grow unevenly, the seedlings need to be planted in a stage, the phenomenon of mutually staggered coiling exists, and the problem that the movable seedlings are easy to break is caused, so that unnecessary loss is caused.

In the related art, the patent publication number CN109496607A discloses a vegetable and flower seedling raising device for an agricultural greenhouse, which comprises a seedling raising box, a fixed plate, a seedling raising display disc, a power device and a water supply device; the two ends of the inner side wall of the seedling raising box are symmetrically provided with power devices, a fixed plate is arranged between the two power devices, one side wall of the fixed plate is connected with the inner wall of the seedling raising box, the upper end surface of the fixed plate is provided with a seedling raising display plate and a water supply device, the seedling raising display plate is connected with the water supply device, the seedling raising barrel adopts a row and column unfolding and cage returning mode, the problems of shielding and breakage caused by small mutual distance are solved, the control and unfolding distance can be suitable for crops with larger seedlings such as flowers, the special arrangement of the seedling raising barrel can solve the problem of serious white pollution, and the problems of alternate control and uniform water supply in the morning and evening are solved, so that the seedlings can achieve the effect of full and effective growth on the premise of protecting the seedlings and the environment.

For the related art, although the humidity in the greenhouse environment can be monitored at present, the humidity (namely, the water content) in the seedling raising barrel cannot be directly detected, and the humidity in the seedling raising barrel directly affects the normal growth of the seedlings, so that the humidity in the seedling raising barrel needs to be monitored urgently.

Disclosure of Invention

In order to solve the problem that humidity in a seedling raising barrel is inconvenient to monitor, the application provides a circulating seedling raising device and a seedling raising method.

The application provides a circulation device of growing seedlings adopts following technical scheme:

the circulating seedling raising device comprises a seedling raising box, a water supply mechanism, a plurality of supporting plates sliding in the seedling raising box, a light detection mechanism for detecting the illumination seedling raising range, a plurality of seedling raising cylinders arranged on the supporting plates and a plurality of detection mechanisms for detecting the water content of the seedling raising cylinders;

the detection mechanism comprises a detection frame, a sampling detection assembly, a control assembly, a weighing assembly and a setting assembly, wherein the detection frame is arranged on the support plate in a sliding manner, the sampling detection assembly is convenient for collecting samples, the control assembly is used for reducing the water content, the weighing assembly is used for detecting the water content, and the setting assembly is used for setting the standard range of the water content;

the weighing assembly comprises a base fixed on the detection frame, a weighing rod hinged with the base, a weighing tray, an approval tray and a marking part for marking the weight of the weighing tray and the weight of the approval tray, wherein the weighing tray and the approval tray are respectively fixed at two ends of the weighing rod, and the middle part of the weighing rod is hinged with the base.

Optionally, the identification portion includes marking needle, marking disc and two proximity switches, the one end of marking needle with the middle part position fixed connection of weighing rod, the other end sets up to pointed end and directional marking disc's central line position, marking disc is fixed on the base, two proximity switches are fixed on the marking disc and are located respectively the both sides of marking disc central line, two proximity switches all are located marking needle wobbling route is gone up.

Optionally, the setting component includes approval weight, minimum weight and highest weight and is used for adsorbing minimum weight or the adsorption part of highest weight, approval weight with the sum of weight of minimum weight is the optimal value of culture medium sample and standard moisture weight, minimum weight equals with the weight of highest weight.

Optionally, the sampling inspection assembly comprises a sampling inspection frame arranged on the inspection frame in a sliding manner, a bracket arranged on the sampling inspection frame in a lifting manner, two sampling inspection pipes detachably connected with the bracket, a pushing part arranged in the sampling inspection pipes, two placing pipes and an isolation pipe; the two placing pipes are fixed with the approval plate and the weighing plate through bolts respectively, the isolation pipe is fixed in the seedling raising barrel, and the bottom end of the isolation pipe penetrates out of the seedling raising barrel; and a loosening assembly for loosening the sampling sample is also arranged in the isolation tube.

Optionally, the loosening assembly comprises a movable rod, a plurality of loosening leaves and a reciprocating part, wherein the movable rod is arranged at the bottom of the isolation tube in a telescopic mode, the loosening leaves are fixed in the loosening rod, and the reciprocating part is used for realizing reciprocating motion of the movable rod.

Optionally, the control assembly includes the control tube, is used for right vacuum portion, the lift of control tube evacuation set up in control frame in the vacuum portion, slide set up in support frame on the control frame, set up in sealing portion on the support frame and set up in the water absorption portion on the support frame, the control tube is fixed the isolation tube bottom, the support frame orientation of motion with the movable rod with the orientation of isolation tube central line is perpendicular, isolation tube bottom center department is provided with the apopore, sealing portion is right the apopore is sealed, water absorption portion is used for absorbing the intraductal moisture of isolation, the isolation tube is in apopore position fixedly connected with supporting network, the supporting network is used for supporting culture medium soil.

Optionally, the sealing part include with support frame fixed connection's sealed lid and fix sealing plug on the sealed lid, the sealing plug with the delivery port adaptation, sealed lid is close to the wall of sealing plug is provided with the guiding gutter that a plurality of slopes set up, the support frame is close to the below of sealing disk is provided with and is used for detecting whether leaking and looks over the subassembly.

Optionally, look over the subassembly and include test paper, coiling portion and color sensor, the test paper activity in on the support frame just the test paper activity direction is perpendicular to the direction of motion of support frame, coiling portion is used for right the test paper pulls, color sensor fixes the support frame just is located the below of test paper.

Optionally, the light detection mechanism including slide set up in light detection frame, two light sensors on the seedling raising box and be used for the sign light to examine the frame and move to the trigger subassembly of appointed position, light detection frame is along a plurality of the direction of arranging of backup pad slides, two light sensors discernment illumination respectively and not illumination's state and control respectively trigger subassembly work.

The cyclic seedling raising method provided by the application adopts the following technical scheme:

a method for circularly culturing seedlings comprises the following steps:

the optical inspection work is carried out, the optimal distance between the adjacent seedling trays is calculated by combining the seedling height and the sunlight angle, and the positions of the seedling trays and the adjacent supporting plates on the same supporting plate are arranged according to the distance;

early stage of seedling culture: screening seeds to be grown, screening soil for seed growing, loading the soil into culture soil, comparing a culture medium in an isolation tube with a culture medium in a corresponding position in a seedling drum, and analyzing that the isolation tube does not influence the humidity of the culture medium in the isolation tube;

performing selective detection on humidity; performing spot check on the culture soil in the isolation tube by using a spot check cylinder, and detecting the water content of the culture soil by using the weight relation between the approval disc and the weighing disc;

the seedling raising work controls the temperature and the humidity in the greenhouse and ensures the seedling raising production environment;

finishing seedling raising; and taking out the seedlings with the seedling root soil after the seedling is completed, and planting the seedlings on the land.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the initial state, taking down a placing tube on an approval disc, taking off the approval weights and the lowest weights, only needing one sampling tube, placing the sampling tube in the placing tube on a weighing disc when the sampling tube performs sampling inspection on the culture medium soil in an isolation tube, and if a marking needle swings to the position of the central line of the marking disc or the position between two proximity switches, at the moment, proving that the water content of the culture medium soil in the sampling tube meets the standard, if the marking needle is prone to the approval disc, taking off the lowest weights through an adsorption electromagnet, continuously observing the position of the marking needle, and proving that the water content of the culture medium soil meets the standard as long as the marking needle is not abutted with the proximity switch corresponding to the approval disc; if the identification needle is inclined to the weighing disc, the highest weight is required to be added on the approval disc, and if the identification needle is not abutted to the proximity switch corresponding to the weighing disc, the water content of the soil of the culture medium is proved to be in accordance with the standard;

2. the trigger block is extruded into the trigger groove, a spring connected with the trigger block is extruded and deformed, the chute moves to the position of the plug hole, the plug block is positioned in the chute in the process of moving in the trigger groove, the spring connected with the plug block is extruded and deformed, the plug block is plugged into the plug hole under the action of the corresponding spring of the plug block, and the driven end part of the driving block moves out of the plug hole; the staff moves the light detection frame, if two light sensors are all located in sunlight or are all located in a dark surface, only one light sensor controls the trigger piece to work at the moment, the trigger piece drives the corresponding driving block to be completely located in the inserting hole, but the other inserting block is still inserted in the inserting hole, the trigger piece cannot pop out at the moment, and only when one light sensor is located in sunlight and the other light sensor is located in the dark surface, the two trigger pieces drive the corresponding driving block to move into the sliding groove at the moment, and the trigger piece is popped out at the moment, so that the distance between the two light sensors at the moment from the seedling cultivation barrel is the optimal distance between the adjacent seedling cultivation barrels, and the influence on the illumination of each other is avoided;

3. when the water content is lower than the standard, the water supply mechanism is required to be used for adding water into the seedling raising barrel, if the water content exceeds the standard value, the water absorbing paper on the support frame is moved to the position of the water outlet, the water absorbing paper is attached to the support net, the vacuum part is a vacuum pump, the vacuum part is used for vacuumizing the control pipe, at the moment, the water is accelerated to flow from the seedling raising barrel to the water absorbing paper, the water absorbing paper absorbs the water, and then the water content of the culture medium soil in the seedling raising barrel can be reduced rapidly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a nursery box and a light detection mechanism in an embodiment of the present application;

FIG. 3 is a schematic diagram of a trigger assembly in an embodiment of the present application;

FIG. 4 is a schematic diagram of a detection mechanism in an embodiment of the present application;

fig. 5 is a schematic diagram of a control assembly in an embodiment of the present application.

Reference numerals: 1. a seedling raising box; 2. a support plate; 3. a seedling raising barrel; 4. a detection frame; 5. a base; 6. weighing the rod; 7. weighing tray; 8. an authorization disc; 9. a marking needle; 10. a logo plate; 11. a proximity switch; 12. approval weights; 13. a lowest weight; 14. a highest weight; 15. an adsorption plate; 16. a sampling inspection rack; 17. a bracket; 18. a spot check tube; 19. a pushing plate; 20. an isolation tube; 21. placing a tube; 22. a movable rod; 23. loosening leaves; 24. a reciprocating part; 25. a control tube; 26. a vacuum part; 27. a control rack; 28. a support frame; 29. a sealing plug; 30. sealing cover; 31. a water guide groove; 32. a water absorbing paper; 33. a support net; 34. a water outlet hole; 35. a water absorbing ring; 36. a servo motor; 37. test paper; 38. a winding roller; 39. a color sensor; 40. a light detection frame; 41. a light detection rod; 42. a light detection block; 43. a light sensor; 44. a trigger block; 45. a trigger slot; 46. a plug block; 47. a plug hole; 48. a driving block; 49. a trigger.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

Example 1

The embodiment of the application discloses a circulation seedling raising device. Referring to fig. 1 and 2, a circulation seedling raising device includes a seedling raising box 1, a water supply mechanism, a plurality of support plates 2 sliding in the seedling raising box 1, a light detection mechanism for detecting a light seedling raising range, a plurality of seedling raising cylinders 3 arranged on the support plates 2, and a plurality of detection mechanisms for detecting water content in the seedling raising cylinders 3; the drip irrigation technology among the prior art is selected for use to the water supply mechanism and ensures to water to every section of thick bamboo 3 of growing seedlings, and this embodiment is unnecessary to describe again, and section of thick bamboo 3 of growing seedlings is selected for use hard plastics to make, and a plurality of backup pads 2 are distributed along the length direction of seedling box 1, and the length direction of backup pad 2 sets up along the width direction of seedling box 1, and light inspection mechanism is used for guaranteeing that the interval between two backup pads 2 can not influence sunlight irradiation each other because of the height of growing seedlings, consequently need set up reasonable distance between two adjacent section of thick bamboo 3.

Referring to fig. 2 and 3, the light inspection mechanism comprises a light inspection frame 40 slidably arranged on the seedling raising box 1, two light sensors 43, and a trigger assembly for identifying whether the light inspection frame 40 moves to a designated position, wherein the light inspection frame 40 slides along the arrangement direction of the plurality of support plates 2, the light inspection frame 40 is fixedly connected with a light inspection block 42, the seedling raising box 1 is fixedly connected with a light inspection rod 41 for sliding the light inspection block 42, the light inspection block 42 is sleeved outside the light inspection rod 41, and the light inspection frame 40 moves along the length direction of the seedling raising box 1; the two light sensors 43 are fixed on the light detection frame 40, the two light sensors 43 are arranged adjacently, so that accurate identification is conveniently carried out on the illumination and non-illumination positions, the two light sensors 43 respectively identify illumination and non-illumination states, and the two light sensors 43 respectively control the trigger assembly to work.

The trigger assembly comprises a trigger block 44, two plug blocks 46, two driving blocks 48 and two trigger pieces 49 for realizing the reciprocating motion of the driving blocks 48, wherein the trigger pieces 49 are respectively provided with an electric push rod or an air cylinder, the two trigger pieces 49 are respectively connected with the two optical sensors 43 through different PLC controllers, the seedling raising box 1 is provided with a trigger groove 45 for sliding the trigger block 44, the length direction of the trigger groove 45 is horizontally arranged and perpendicular to the length direction of the light detection rod 41, one end of the trigger groove 45 is provided with an opening, two sides of the trigger block 44 are respectively provided with a sliding groove for sliding the plug blocks 46, the light detection frame 40 penetrates through the two plug holes 47, the two plug blocks 46 are respectively plugged in the two plug holes 47, the plug blocks 46 are elastically arranged in the sliding grooves and the trigger block 44 is elastically arranged in the trigger groove 45, the plug blocks 46 are respectively connected with the inner walls of the end parts of the sliding grooves and the trigger block 44 and the inner walls of the end parts of the trigger groove 45 through springs, and the length dimension of the driving block 48 is equal to the depth dimension of the plug holes 47.

The trigger block 44 is extruded into the trigger groove 45, the spring connected with the trigger block 44 is extruded and deformed, the chute moves to the position of the plug hole 47, the plug block 46 is positioned in the chute during the movement of the trigger block 44 in the trigger groove 45, the spring connected with the plug block 46 is extruded and deformed, the plug block 46 is plugged into the plug hole 47 under the action of the corresponding spring of the plug block 46, and the driven end part of the driving block 48 moves out of the plug hole 47.

Referring to fig. 2 and 3, a seedling raising barrel 3 is selected, and it is ensured that the light inspection rack 40 and the seedling raising box 1 are located on the same vertical plane, in this embodiment, the best daily sunlight stage is selected as a detection time period, for example, before ten am to four pm, at two end points, at which the included angle of sunlight irradiation for raising seedlings is the smallest, and is the farthest distance between two adjacent seedling raising barrels 3, a worker moves the light inspection rack 40, if both light sensors 43 are located under sunlight or both are located on a dark surface, at this time, only one light sensor 43 controls the trigger piece 49 to work, the trigger piece 49 drives the corresponding driving block 48 to be completely located in the plug hole 47, but the other plug piece 46 is still plugged in the plug hole 47, at this time, the trigger piece 44 is not popped up, and only when one light sensor 43 is located under sunlight and the other light sensor 43 is located on a dark surface, at this time, both trigger pieces 49 drive the corresponding driving blocks 48 to move into the slide grooves, namely, the trigger piece 44 is popped up, and is proved that the distance between two adjacent seedling raising barrels 3 is the best distance between two light sensors, and the two light sensors are located on the dark surface, and the center points are not affected by the circle center 3, at this time, at the best, and the best distance between two light sensors 3 are located on the sun, at the two light points, and the center points are set to be the center points, and the best distance between the two light sensors 3 are located on the light points, and at the center points, and at the best point, and at the point is the center, and the best point is the center; the seedling raising barrels 3 on the same supporting plate 2 are arranged and fixed according to the optimal distance, and the distance between two adjacent supporting plates 2 is also arranged according to the optimal distance, so that the adjacent seedling raising barrels 3 can not mutually interfere with illumination.

Referring to fig. 1 and 4, the detection mechanism includes a detection frame 4 slidably disposed on a support plate 2, a sampling inspection assembly for facilitating collection of samples, a control assembly for reducing water content, a weighing assembly for detecting water content, and a setting assembly for setting a standard range of water content; the detection mechanism corresponds to the support plate 2, the detection frame 4 moves along the length direction of the support plate 2, the driving of the detection frame 4 can be selected from screw transmission or air cylinders, in the embodiment, the air cylinders are preferred, and the sampling assembly comprises a sampling frame 16 arranged on the detection frame in a sliding manner, a bracket 17 arranged on the sampling frame 16 in a lifting manner, two sampling pipes 18 detachably connected with the bracket 17, a pushing part arranged in the sampling pipes 18, two placing pipes 21 and an isolating pipe 20; the direction of motion of the selective examination frame 16 is perpendicular with the direction of motion of the detection frame 4, the support 17 moves on the selective examination frame 16 along the vertical direction, the sliding of the support 17 on the selective examination frame 16 and the sliding of the selective examination frame 16 on the detection frame 4 all adopt electric push rods or air cylinders, the support 17 is fixedly connected with two electromagnets, the electromagnets are adsorbed with the end parts of the selective examination pipes 18, the electromagnets are set to be electrified and adsorbed and powered off and demagnetized, the pushing part comprises a pushing plate 19 and a pushing piece, the pushing piece can adopt the electric push rods or the air cylinders, the pushing piece is fixed at the end parts of the selective examination pipes 18, the bottom ends of the selective examination pipes 18 are provided with openings, and the pushing plate 19 is in sliding fit with the selective examination pipes 18 and is used for taking out the taken out culture medium samples.

The isolation tube 20 is fixed in a seedling raising barrel 3, the top of the isolation tube 20 is provided with an opening, the side wall of the isolation tube 20 is provided with two arc openings, the non-woven fabrics or the wire netting are fixedly connected to the positions of the arc openings, the non-woven fabrics are adhered to the positions of the arc openings through glue, the non-woven fabrics are used for preventing roots of seedling raising from entering the isolation tube 20 and not affecting the water from entering culture medium soil in the isolation tube 20, the bottom of the isolation tube 20 penetrates out of the seedling raising barrel 3, the isolation tube 20 is fixed with the seedling raising barrel 3 through glue or bolts, and the isolation tube 20 and the bottom of the seedling raising barrel 3 are required to be in a sealing state.

Referring to fig. 1 and 4, the weighing assembly comprises a base 5 fixed on a detection frame 4, a weighing rod 6 hinged with the base 5, a weighing tray 7, an approval tray 8, and a marking part for marking the weight of the weighing tray 7 and the approval tray 8, wherein the marking part comprises a marking needle 9, a marking tray 10, and two proximity switches 11, the two proximity switches 11 are respectively connected with two display lamps of different colors through different PLC controllers, in the embodiment, if the water content exceeds the standard, the red lamp is on, if the water content is lower than the standard, the green lamp is on, if the water content accords with the standard, neither the red lamp nor the green lamp is on, the weighing tray 7 and the approval tray 8 are respectively fixed at two ends of the weighing rod 6, the marking tray 10 is fixed on the base 5, the base 5 is located on the motion direction of the sampling inspection rack 16, the length direction of the weighing rod 6 is parallel to the motion direction of the sampling inspection rack 16, the positions of the base 5 and the middle part of the weighing rod 6 are rotated through the hinge shaft, the axis direction of the hinge shaft is parallel to the motion direction of the detection rack 4, one end of the marking needle 9 is fixedly connected with the middle part of the weighing rod 6, the other end of the marking needle 9 is set to be pointed and points to the central line position of the marking disc 10, namely, when the pointed end of the marking needle 9 points to the central line position of the marking disc 10, the weights of the approval disc 8 and the weighing disc 7 are the same, and in the embodiment, the distribution arc of the scale value is set to be a scale value on the marking disc 10 and is consistent with the swing arc of the pointed end of the marking needle 9. The two proximity switches 11 are fixed on the marking disc 10 and are respectively positioned at two sides of the central line of the marking disc 10, the two proximity switches 11 are both positioned on the swinging route of the marking needle 9, the two proximity switches 11 are symmetrically arranged relative to the central line of the marking disc 10, the distance between the proximity switches 11 and the central line of the marking disc 10 is in an allowable error range, namely, when the marking needle 9 is positioned between the proximity switches 11 and the center of the marking disc 10, the weight of the approval disc 8 and the weight of the weighing disc 7 are considered to be the same at the moment.

The two placing pipes 21 are respectively fixed with the approval plate 8 and the weighing plate 7 through bolts, so that the placing pipes 21 can be conveniently detached later, the top ends of the placing pipes 21 are provided with openings, the sampling tube 18 is inserted and matched into the placing pipes 21, and when the sampling tube 18 is prevented from being placed in the placing pipes 21, the electromagnet is powered off, and the sampling tube 18 is positioned in the placing pipes 21; when the culture medium soil in the seedling raising barrel 3 is subjected to spot check, whether the isolation tube 20 affects the water content in the culture medium soil needs to be confirmed, therefore, in the early growth period of seedling raising, namely, in the period of no root growth, by descending both the two spot check tubes 18 and performing spot check on the culture medium soil in the isolation tube 20 by one spot check tube 18, and performing spot check on the culture medium soil at other positions in the seedling raising barrel 3 by the other spot check tube 18, wherein the spot check positions are preferably symmetrically arranged relative to the seedling raising, the two spot check tubes 18 are taken out and the spot check frame 16 is moved above the two placing tubes 21, the two spot check tubes 18 on the support 17 are respectively inserted into the placing tubes 21, the electromagnet is controlled to be powered off, at this time, whether the weights on the weighing disc 7 and the approval disc 8 are the same or not is observed, if the marking needle 9 is positioned at the position between the two proximity switches 11, the non-woven fabric will not affect the water content of the culture medium soil in the isolation tube 20, if the marking needle 9 moves to the position of the non-woven fabric 8 which is in contact with any proximity switch 11, the water content in the culture medium soil is affected, the two spot check tubes are preferably the two spot check tubes are moved, the two spot check tubes are moved to be moved above the two placing tubes 21, the two placing tubes are moved above the two placing tubes 21, the two water-stop boxes are respectively, and the weight is required to be equal to be detected by the weight and the weight of the non-woven fabric is not to be detected by the weight on the weighing disc 8, and the non-woven fabric is required to be replaced, and the weight was measured, and when the water is required to be measured and is not is measured.

Referring to fig. 1 and 4, the setting assembly includes an approval weight 12, a lowest weight 13, a highest weight 14, and an adsorption part for adsorbing the lowest weight 13 or the highest weight 14, the adsorption part is provided with a setting frame slidably connected with the base 5, two adsorption electromagnets, an adsorption plate 15, and an adsorption electric push rod, the adsorption plate 15 is lifted and lowered on the setting frame, the two adsorption electromagnets are fixed on the adsorption plate 15, the adsorption electric push rod is used for lifting and lowering the adsorption plate 15 on the adsorption frame, and the sliding direction of the adsorption frame is the same as the moving direction of the sampling inspection frame 16; the two adsorption electromagnets are respectively used for adsorbing the lowest weight 13 and the highest weight 14, the sum of the weights of the approval weight 12 and the lowest weight 13 is an optimal value of the weight of the culture medium sample and the standard moisture, for example, the water content of the vegetable culture medium is generally controlled to be in the range of 40% -60%, so that the optimal sum of the weights is calculated according to the density of water and the culture medium soil in the sampling tube, namely, the weight when the water content is 50%, and the approval weight 12 is the sum of the weight of the culture medium soil and the water when the water content is 10%; the lowest weight 13 and the highest weight 14 are the sum of the weights of the soil and water in the culture medium when the water content is 10%, and the weights of the lowest weight 13 and the highest weight 14 are the same.

In the initial state, taking down the placing tube 21 on the approving tray 8, taking the approving weight 12 and the lowest weight 13, and only needing one sampling tube 18, when sampling the culture medium soil in the isolation tube 20 by the sampling tube 18, and simultaneously placing the sampling tube 18 in the placing tube 21 on the weighing tray 7, if the identification needle 9 swings to the position of the central line of the identification tray 10 or the position between the two proximity switches 11, at the moment, proving that the water content of the culture medium soil in the sampling tube 18 meets the standard, if the identification needle 9 is still prone to the approving tray 8, taking the lowest weight 13 away by the adsorption electromagnet, continuously observing the position of the identification needle 9, and if at the moment, the identification needle 9 is not abutted to the proximity switch 11 corresponding to the approving tray 8, proving that the water content of the culture medium soil meets the standard; if the marking needle 9 is inclined to the weighing pan 7, the highest weight 14 needs to be added on the approval pan 8, and if the marking needle 9 is not abutted to the proximity switch 11 corresponding to the weighing pan 7, the water content of the soil of the culture medium is proved to be in accordance with the standard.

The control assembly comprises a control tube 25, a vacuum part 26 for vacuumizing the control tube 25, a control frame 27 arranged in the control tube 25 in a lifting manner, a support frame 28 arranged on the control frame 27 in a sliding manner, a sealing part arranged on the support frame 28 and a water absorbing part arranged on the support frame 28, wherein the control tube 25 is fixed at the bottom of the isolation tube 20, the upper end of the control tube 25 is provided with an opening, the lower end of the control tube 25 is provided with a closing manner, and the control tube 25 is positioned below the support plate 2; also provided in the isolator is a loose assembly for loose sample testing, the loose assembly comprising a movable rod 22 telescopically disposed at the bottom of the isolation tube 20, a plurality of loose blades secured within the loose rod, and a reciprocating portion 24 for effecting reciprocating movement of the movable rod 22.

Referring to fig. 1 and 4, a sliding hole for sliding and adapting to the movable rod 22 is formed in the bottom of the isolation tube 20, a plurality of loose pieces are fixed on the peripheral wall of the movable rod 22 at equal intervals, the reciprocating part 24 is an electric push rod or an air cylinder, the reciprocating part 24 is located in the control tube 25, the output end of the reciprocating part 24 is fixedly connected with the bottom end of the movable rod 22, in the sampling process, the loose pieces are always located in the culture medium soil, namely, the sampling tube 18 is located at the position of the loose pieces in the sampling process, the loose pieces are prevented from abutting the bottom of the sampling tube 18, therefore, after the sampling is completed, the sampling tube 18 moves to the upper side of the isolation tube 20, and samples in the sampling tube 18 are pushed into the isolation tube 20 by utilizing the pushing plate 19.

Referring to fig. 4 and 5, the direction of movement of the support frame 28 is perpendicular to the direction of the connecting line of the movable rod 22 and the center of the isolation tube 20, a water outlet hole 34 is formed in the center of the bottom of the isolation tube 20, the isolation tube 20 is fixedly connected with a support net 33 at the position of the water outlet hole 34, the support net 33 is used for supporting the culture medium soil, and the aperture of the support net 33 is smaller than the particle size of the culture medium soil; the sealing part is used for sealing the water outlet 34, the water absorbing part is used for absorbing the moisture in the isolation pipe 20, the sealing part comprises a sealing cover 30 fixedly connected with a support frame 28 and a sealing plug 29 fixed on the sealing cover 30, the sealing plug 29 is a rubber plug, the sealing plug 29 is matched with a water outlet, the sealing plug 29 and the sealing cover 30 are not in the same plane, the sealing cover 30 is provided with a plurality of water guide grooves 31 which are obliquely arranged on the wall surface, close to the sealing plug 29, of the sealing cover 30, the water guide grooves 31 are obliquely arranged and gradually reduce in height along the direction away from the sealing plug 29, and a checking component used for detecting whether water leakage is detected is arranged below the support frame 28, close to a sealing disc.

The checking assembly comprises a test paper 37, a winding part and a color sensor 39, wherein the test paper 37 moves on a supporting frame 28, the test paper 37 moves in the moving direction of the supporting frame 28, the winding part comprises two winding rollers 38 and two servo motors 36, the servo motors 36 are fixed on the supporting frame 28 and used for driving the winding rollers 38 to rotate, two ends of the test paper 37 are respectively fixed on the peripheral walls of the two winding rollers 38, the test paper 37 is adhered to the peripheral walls of the winding rollers 38 by glue, the test paper 37 is positioned below a sealing cover 30, the color sensor 39 is positioned below the test paper 37 and is opposite to the test paper 37, the color sensor 39 is connected with a buzzer under the control of a PLC controller, and the test paper 37 is set to be cobalt chloride test paper 37 in the embodiment; if water leakage occurs, at this time, water flows into the test paper 37 from the water guide groove 31, the test paper 37 changes color, the color sensor 39 recognizes that the test paper 37 changes color, the buzzer is triggered to start working, and the working personnel is warned of water leakage, so that the sealing work needs to be treated again.

The water absorbing part comprises a water absorbing ring 35 fixedly connected with the support frame 28 and water absorbing paper 32 fixed on the water absorbing ring 35, when the water content exceeds the standard value, the water absorbing paper 32 on the support frame 28 is moved to the position of the water outlet 34, the water absorbing paper 32 is attached to the support net 33, the vacuum part 26 is a vacuum pump, the vacuum part 26 performs vacuum pumping treatment on the inside of the control tube 25, at the moment, the water is accelerated to flow from the inside of the seedling raising barrel 3 to the water absorbing paper 32, the water absorbing paper 32 adsorbs the water, and then the water content of the culture medium soil in the seedling raising barrel 3 can be quickly reduced; when the water sucking operation is completed, the sealing plug 29 seals the water outlet 34.

The implementation principle of the circulation seedling raising device in the embodiment of the application is as follows: the trigger block 44 is extruded into the trigger groove 45, the spring connected with the trigger block 44 is extruded and deformed, the chute moves to the position of the plug hole 47, the plug block 46 is positioned in the chute during the movement of the trigger block 44 in the trigger groove 45, the spring connected with the plug block 46 is extruded and deformed, the plug block 46 is plugged into the plug hole 47 under the action of the corresponding spring of the plug block 46, and the driven end part of the driving block 48 moves out of the plug hole 47; when the worker moves the light detection frame 40, if both light sensors 43 are located in the sun or are located in the dark, only one light sensor 43 controls the trigger piece 49 to work, the trigger piece 49 drives the corresponding driving piece 48 to be completely located in the inserting hole 47, but the other inserting piece 46 is still inserted in the inserting hole 47, the trigger piece 44 cannot pop out, only when one light sensor 43 is located in the sun and the other light sensor 43 is located in the dark, both the trigger pieces 49 drive the corresponding driving piece 48 to move into the sliding groove, and the trigger piece 44 is popped out at the moment, namely, the distance between the two light sensors 43 is the optimal distance between the adjacent seedling cylinders 3 for proving from the seedling cylinders 3, and the influence on the light irradiation of each other cannot be caused.

Through the sampling inspection of the culture medium soil in the isolation tube 20 by two sampling inspection tubes 18 which are both lowered and one sampling inspection tube 18, the sampling inspection of the culture medium soil in other positions in the seedling raising barrel 3 by the other sampling inspection tube 18 is preferably performed at the sampling inspection position which is symmetrically arranged relative to the seedling raising, the sampling inspection tubes 18 are taken out and the sampling inspection frame 16 is moved to the positions above the two placing tubes 21, the two sampling inspection tubes 18 on the bracket 17 are respectively inserted into the placing tubes 21, the electromagnet is controlled to be powered off, at the moment, whether the weight of the weighing disc 7 is the same as that of the approval disc 8 is observed, if the identification needle 9 is positioned between the two proximity switches 11, the non-woven fabric will not influence the water content of the culture medium soil in the isolation tube 20, and if the identification needle 9 moves to be in contact with any proximity switch 11, at the moment, the non-woven fabric proves to influence the water content of the culture medium soil in the isolation tube 20, and the non-woven fabric needs to be replaced.

In the initial state, taking down the placing tube 21 on the approving tray 8, taking the approving weight 12 and the lowest weight 13, and only needing one sampling tube 18, when sampling the culture medium soil in the isolation tube 20 by the sampling tube 18, and simultaneously placing the sampling tube 18 in the placing tube 21 on the weighing tray 7, if the identification needle 9 swings to the position of the central line of the identification tray 10 or the position between the two proximity switches 11, at the moment, proving that the water content of the culture medium soil in the sampling tube 18 meets the standard, if the identification needle 9 is still prone to the approving tray 8, taking the lowest weight 13 away by the adsorption electromagnet, continuously observing the position of the identification needle 9, and if at the moment, the identification needle 9 is not abutted to the proximity switch 11 corresponding to the approving tray 8, proving that the water content of the culture medium soil meets the standard; if the marking needle 9 is inclined to the weighing pan 7, the highest weight 14 needs to be added on the approval pan 8, and if the marking needle 9 is not abutted to the proximity switch 11 corresponding to the weighing pan 7, the water content of the soil of the culture medium is proved to be in accordance with the standard.

When the water content is lower than the standard, the water supply mechanism is needed to add water to the seedling raising barrel 3, if the water content exceeds the standard value, the water absorbing paper 32 on the supporting frame 28 is moved to the position of the water outlet 34, the water absorbing paper 32 is attached to the supporting net 33, the vacuum part 26 is a vacuum pump, the vacuum part 26 vacuumizes the control pipe 25, at the moment, the water is accelerated to flow from the seedling raising barrel 3 to the water absorbing paper 32, the water absorbing paper 32 absorbs the water, and then the water content of the culture medium soil in the seedling raising barrel 3 can be quickly reduced.

Example two

The embodiment of the application discloses a cyclic seedling raising method. Referring to fig. 1, a circulation seedling method includes the steps of:

s1, performing light detection, namely measuring and calculating the optimal distance between adjacent seedling trays by combining the seedling height and the sunlight angle, and arranging the positions of the plurality of seedling trays on the same supporting plate 2 and the adjacent supporting plate 2 according to the distance; only when one of the light sensors 43 is located in the sun and the other light sensor 43 is located on the dark surface, the two triggering pieces 49 both drive the corresponding driving blocks 48 to move into the sliding grooves, and the triggering blocks 44 are ejected at the moment, so that the distance between the two light sensors 43 from the seedling raising barrel 3 is proved to be the optimal distance between the adjacent seedling raising barrels 3.

S2, early stage of seedling culture: screening seeds to be grown, screening soil for seed growing, loading the soil into the culture soil, comparing the culture medium in the isolation tube 20 with the culture medium at the corresponding position in the seedling drum 3, and analyzing that the humidity of the culture medium in the isolation tube 20 is not influenced; one of the sampling tubes 18 performs sampling inspection on the culture medium soil in the isolation tube 20, the other sampling tube 18 performs sampling inspection on the culture medium soil at other positions in the seedling raising barrel 3, whether the weights of the weighing disc 7 and the approval disc 8 are the same or not is observed, and if the identification needle 9 is positioned between the two proximity switches 11, the non-woven fabric does not influence the water content of the culture medium soil in the isolation tube 20.

S3, performing selective detection on humidity; performing spot check on the culture soil in the isolation tube 20 by using a spot check cylinder, and detecting the water content of the culture soil by using the weight relation between the approval disc 8 and the weighing disc 7; when the sampling tube 18 performs sampling inspection on the culture medium soil in the isolation tube 20, and simultaneously the sampling tube 18 is placed in the placing tube 21 on the weighing disc 7, if the marking needle 9 swings to the position of the central line of the marking disc 10 or the position between the two proximity switches 11, the water content of the culture medium soil in the sampling tube 18 is proved to be in accordance with the standard at the moment, if the marking needle 9 is prone to approve the disc 8, the lowest weight 13 is taken away through the adsorption electromagnet, the position of the marking needle 9 is continuously observed, and as long as the marking needle 9 is not abutted to the proximity switch 11 corresponding to the approving disc 8 at the moment, the water content of the culture medium soil is proved to be in accordance with the standard; if the marking needle 9 is inclined to the weighing pan 7, the highest weight 14 needs to be added on the approval pan 8, and if the marking needle 9 is not abutted to the proximity switch 11 corresponding to the weighing pan 7, the water content of the soil of the culture medium is proved to be in accordance with the standard.

S4, seedling raising work, namely controlling the temperature and the humidity in the greenhouse and ensuring the seedling raising production environment;

s5, finishing seedling cultivation; and taking out the seedlings with the seedling root soil after the seedling is completed, and planting the seedlings on the land.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The foregoing are all optional embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. A circulation device of growing seedlings, its characterized in that: the intelligent seedling raising device comprises a seedling raising box (1), a water supply mechanism, a plurality of supporting plates (2) sliding in the seedling raising box (1), a light detection mechanism for detecting the illumination seedling raising range, a plurality of seedling raising cylinders (3) arranged on the supporting plates (2) and a plurality of detection mechanisms for detecting the water content in the seedling raising cylinders (3);

the detection mechanism comprises a detection frame (4) arranged on the support plate (2) in a sliding manner, a sampling detection assembly convenient for collecting samples, a control assembly for reducing the water content, a weighing assembly for detecting the water content and a setting assembly for setting the standard range of the water content;

the weighing assembly comprises a base (5) fixed on the detection frame (4), a weighing rod (6) hinged with the base (5), a weighing tray (7), an approval tray (8) and a marking part for marking the weight of the weighing tray (7) and the approval tray (8), wherein the weighing tray (7) and the approval tray (8) are respectively fixed at two ends of the weighing rod (6), and the middle part of the weighing rod (6) is hinged with the base (5).

2. A circulation seedling raising device as claimed in claim 1, wherein: the marking part comprises a marking needle (9), a marking disc (10) and two proximity switches (11), one end of the marking needle (9) is fixedly connected with the middle position of the weighing rod (6), the other end of the marking needle is provided with a pointed end and points to the center line position of the marking disc (10), the marking disc (10) is fixed on the base (5), the two proximity switches (11) are fixed on the marking disc (10) and are respectively located on two sides of the center line of the marking disc (10), and the two proximity switches (11) are both located on the swinging route of the marking needle (9).

3. A circulation seedling raising device as claimed in claim 2, wherein: the setting assembly comprises an approval weight (12), a lowest weight (13), a highest weight (14) and an adsorption part for adsorbing the lowest weight (13) or the highest weight (14), wherein the sum of the weights of the approval weight (12) and the lowest weight (13) is an optimal value of the weight of the culture medium sample and the weight of standard moisture, and the weight of the lowest weight (13) is equal to the weight of the highest weight (14).

4. A circulation seedling raising device as claimed in claim 2, wherein: the sampling inspection assembly comprises a sampling inspection frame (16) arranged on the detection frame (4) in a sliding manner, a bracket (17) arranged on the sampling inspection frame (16) in a lifting manner, two sampling inspection pipes (18) detachably connected with the bracket (17), a pushing part arranged in the sampling inspection pipes (18), two placing pipes (21) and a separation pipe (20); the two placing pipes (21) are fixed with the approval disc (8) and the weighing disc (7) through bolts respectively, the isolation pipe (20) is fixed in the seedling raising barrel (3), and the bottom end of the isolation pipe (20) penetrates out of the seedling raising barrel (3); a loose assembly for loose sampling is also arranged in the isolation tube (20).

5. The circulation seedling raising device according to claim 4, wherein: the loosening assembly comprises a movable rod (22) which is arranged at the bottom of the isolation tube (20) in a telescopic mode, a plurality of loosening leaves (23) which are fixed in the loosening rod, and a reciprocating part (24) which enables the movable rod (22) to reciprocate.

6. The circulation seedling raising device according to claim 5, wherein: the control assembly comprises a control tube (25), a vacuum part (26) for vacuumizing the control tube (25), a control frame (27) arranged in the vacuum part (26), a support frame (28) arranged on the control frame (27) in a sliding manner, a sealing part arranged on the support frame (28) and a water absorbing part arranged on the support frame (28), wherein the control tube (25) is fixed at the bottom of the isolation tube (20), the moving direction of the support frame (28) is perpendicular to the moving rod (22) and the central connecting line of the isolation tube (20), a water outlet hole (34) is formed in the central position of the bottom of the isolation tube (20), the sealing part is sealed with the water outlet hole (34), the water absorbing part is used for absorbing water in the isolation tube (20), the isolation tube (20) is fixedly connected with a supporting net (33) at the position of the water outlet hole (34), and the supporting net (33) is used for supporting the soil of a culture medium.

7. The circulation seedling raising device according to claim 6, wherein: the sealing part comprises a sealing cover (30) fixedly connected with the supporting frame (28) and a sealing plug (29) fixed on the sealing cover (30), the sealing plug (29) is matched with the water outlet, a plurality of water guide grooves (31) which are obliquely arranged are formed in the way that the sealing cover (30) is close to the wall surface of the sealing plug (29), and a checking assembly for detecting whether water leakage occurs or not is arranged below the supporting frame (28) close to the sealing disc.

8. The circulation seedling raising device as set forth in claim 7, wherein: the checking assembly comprises a test paper (37), a winding part and a color sensor (39), wherein the test paper (37) moves on the supporting frame (28) and the moving direction of the test paper (37) is perpendicular to the moving direction of the supporting frame (28), the winding part is used for dragging the test paper (37), and the color sensor (39) is fixed on the supporting frame (28) and located below the test paper (37).

9. A circulation seedling raising device as claimed in claim 1, wherein: the light detection mechanism comprises a light detection frame (40), two light sensors (43) and a trigger assembly, wherein the light detection frame (40) is arranged on the seedling raising box (1) in a sliding mode, the trigger assembly is used for identifying whether the light detection frame (40) moves to a designated position, the light detection frame (40) slides along the arrangement direction of a plurality of support plates (2), and the two light sensors (43) respectively identify illumination and non-illumination states and respectively control the trigger assembly to work.

10. A method of cyclic seeding, based on the cyclic seeding device of any one of claims 1-9, characterized in that: the method comprises the following steps:

the optical inspection work is carried out, the optimal distance between adjacent seedling trays is calculated by combining the seedling height and the sunlight angle, and the positions of a plurality of seedling trays and adjacent supporting plates (2) on the same supporting plate (2) are arranged according to the distance;

early stage of seedling culture: screening seeds to be grown, screening soil for seed growing, filling the soil into the culture soil, comparing the culture medium in the isolation tube (20) with the culture medium at the corresponding position in the seedling drum (3), and analyzing that the humidity of the culture medium in the isolation tube (20) is not influenced;

performing selective detection on humidity; performing spot check on the culture soil in the isolation tube (20) by using a spot check cylinder, and detecting the water content of the culture medium soil by using the weight relation between the approval disc (8) and the weighing disc (7);

the seedling raising work controls the temperature and the humidity in the greenhouse and ensures the seedling raising production environment;

finishing seedling raising; and taking out the seedlings with the seedling root soil after the seedling is completed, and planting the seedlings on the land.