CN114788469B - Seedling raising device and seedling raising process - Google Patents
Seedling raising device and seedling raising process Download PDFInfo
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- CN114788469B CN114788469B CN202210071462.7A CN202210071462A CN114788469B CN 114788469 B CN114788469 B CN 114788469B CN 202210071462 A CN202210071462 A CN 202210071462A CN 114788469 B CN114788469 B CN 114788469B
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- seedling
- soil humidity
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000008569 process Effects 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 219
- 239000002689 soil Substances 0.000 claims abstract description 83
- 239000007921 spray Substances 0.000 claims abstract description 16
- 239000012466 permeate Substances 0.000 claims abstract description 12
- 241000196324 Embryophyta Species 0.000 claims abstract description 6
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 50
- 230000007246 mechanism Effects 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 26
- 238000009395 breeding Methods 0.000 claims description 16
- 230000001488 breeding effect Effects 0.000 claims description 16
- 230000002262 irrigation Effects 0.000 claims description 10
- 238000003973 irrigation Methods 0.000 claims description 10
- 239000013589 supplement Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 238000011897 real-time detection Methods 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 abstract description 5
- 238000001764 infiltration Methods 0.000 abstract description 5
- 230000001502 supplementing effect Effects 0.000 description 5
- 235000003181 Panax pseudoginseng Nutrition 0.000 description 4
- 244000131316 Panax pseudoginseng Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0295—Units comprising two or more connected receptacles
-
- 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
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/003—Controls for self-acting watering devices
-
- 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
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0297—Grids for supporting several receptacles
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention relates to the technical field of seedling raising and discloses a seedling raising device and a seedling raising process. This device of growing seedlings detects soil humidity in real time through soil humidity sensor to drive the bag of growing seedlings through the pneumatic cylinder and go up and down, spray into the water in the bag of growing seedlings and must carry out the infiltration hole of fully moistening back unnecessary water from the bag bottom of growing seedlings to soil and plant root, along with the moisture in the bag of growing seedlings is absorbed gradually, when soil humidity is not up to standard again, the bag of growing seedlings descends to the infiltration hole of bottom and soaks in the ponding in the water catch bowl, ponding can be whole from infiltration hole infiltration that permeates into the bag of growing seedlings inside and make secondary use, for soil replenishment moisture, under soil humidity sensor's control, can accurate control the water yield of replenishing at every turn, avoid the excessive root retting that causes of moisturizing, or the insufficient water that causes of moisturizing.
Description
Technical Field
The invention relates to the technical field of seedling raising, in particular to a seedling raising device and a seedling raising process.
Background
The non-woven fabric seedling raising bag solves various adverse consequences caused by the problems of formation of nest roots, askew roots, thin roots, rotten roots and the like of seedling roots in plastic nutrition pot seedling raising due to incapability of penetrating through the container wall, so that various resistances and growth speeds in seedling breeding are effectively improved, and the probability that seedlings evolve into 'small-old trees' due to adverse influence of root system growth environments is greatly reduced.
The invention discloses a pseudo-ginseng seedling raising device convenient to move, which comprises a seedling raising water receiving tank, wherein locking universal wheels are fixedly arranged at two ends of the bottom surface of the seedling raising water receiving tank through bolts, the outer side of the seedling raising water receiving tank is fixedly connected with a fixed support, the inner side of the fixed support is fixedly connected with a second fixed tank, the top of the second fixed tank is provided with a first fixed tank, the inner side of the first fixed tank is movably connected with a seedling raising bag fixing rod, the bottom of the seedling raising bag fixing rod is fixedly connected with a seedling raising bag connecting rope, the bottom of the seedling raising bag connecting rope is fixedly connected with a seedling raising bag main body, water inlet and outlet holes are formed in the outer side of the seedling raising bag main body, the left side of the seedling raising bag main body is fixedly connected with a fixed connection card, and the seedling raising bag main body is fixedly connected with a fixed connection groove. The pseudo-ginseng seedling raising device adopts a spliced structure, is convenient for the centralized treatment of pseudo-ginseng seedling raising bags, adopts multiple holes to discharge redundant moisture in the seedling raising bags, adopts an arc-shaped fixed groove structure, and ensures that the redundant moisture flows smoothly.
The pseudo-ginseng seedling raising device convenient to move that this comparison document proposed is inconvenient to the control method operation of the inside moisture of seedling raising bag, and control effect is not good: because the water outlet is arranged on the side surface of the seedling raising bag main body, if the sprinkling amount is small, most of water is directly discharged from the water inlet and outlet on the side surface when the water does not sufficiently moisten soil and plant roots at the bottom end inside the seedling raising bag, so that the seedling raising and irrigating effects are poor; the height of the seedling raising bag main body is adjusted by transferring the fixing rod from the first fixing groove to the second fixing groove, so that water in the seedling raising water receiving groove permeates into the seedling raising bag main body from the water inlet and outlet holes, the water supplementing effect is achieved, the operation is complex and inconvenient, the water supplementing quantity cannot be controlled, the root retting is easily caused by excessive water supplementing, or the water shortage is caused by insufficient water supplementing.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a seedling raising device which has the advantages of being capable of accurately grasping the soil humidity in a seedling raising bag, fully using excessive water for a second time when spraying water and the like, and solves the problem of poor control effect of the water in the seedling raising bag.
(II) technical scheme
In order to solve the technical problem of poor control effect of the moisture in the seedling raising bag, the invention provides the following technical scheme:
the seedling raising device comprises a seedling raising frame and seedling raising bags, wherein seedling raising holes are formed in the surface of the seedling raising frame in a penetrating mode, supporting frames are arranged at the lower ends of the seedling raising holes, the seedling raising bags are respectively arranged inside the supporting frames, and clamping mechanisms are arranged between the inner walls of the seedling raising holes and used for carrying out clamping and righting on the seedling raising bags;
the upper end of the seedling raising frame is provided with a bracket, and a water spraying mechanism is arranged between the brackets and used for spraying water to the seedling raising bags;
the lower end of the seedling raising frame is provided with a base, and the upper surface of the base is provided with a water collecting tank for collecting redundant water sprayed by the water spraying mechanism;
a soil humidity sensor is arranged in the seedling raising bag, and a probe at the bottom end of the soil humidity sensor is completely inserted into soil in the seedling raising bag;
the water spraying mechanism and the soil humidity sensor are connected with the controller through electric signals.
Further: the seedling raising bag bottom is provided with the hole that permeates water, seedling raising frame with connect through the pneumatic cylinder between the base, the pneumatic cylinder is used for the drive seedling raising frame goes up and down for the water catch bowl, the pneumatic cylinder with the controller passes through electric signal connection.
Further: the water collecting tank is characterized in that the bottom surface of the water collecting tank is provided with grooves, the positions of the grooves correspond to the supporting frames one by one, and the grooves are arranged into cross shapes with the same size as the bottom ends of the supporting frames.
Further: the water collecting tank is internally provided with a liquid level sensor for detecting the liquid level height in the water collecting tank, and the liquid level sensor is connected with the controller through an electric signal.
Further: the controller comprises a control module for:
when the soil humidity detected by the soil humidity sensor is lower than the lowest value suitable for breeding, if the liquid level in the water collecting tank is higher than the preset height detected by the liquid level sensor, the movable end of the hydraulic cylinder is controlled by the controller to retract, so that the seedling raising frame is driven to descend until the seedling raising bag descends to the bottom to be attached to the bottom surface of the water collecting tank, so that water in the water collecting tank can infiltrate from the water permeable hole at the bottom of the seedling raising bag to supplement water for soil in the seedling raising bag;
if the accumulated water in the water collecting tank completely permeates into the seedling raising bag, the soil humidity still does not reach the highest value suitable for breeding, the hydraulic cylinder drives the seedling raising frame to rise, the seedling raising bag rises to the position above the base, water is sprayed through the water spraying mechanism until the humidity reaches the standard, and irrigation is completed.
Further: the control module is further configured to: if the soil humidity detected by the soil humidity sensor is lower than the lowest value suitable for breeding and the liquid level in the water collecting tank detected by the liquid level sensor is lower than the preset height, the hydraulic cylinder drives the seedling raising rack to rise, so that the seedling raising bag rises to the upper part of the base, water is directly sprayed through the water spraying mechanism until the humidity reaches the standard, and irrigation is completed.
Further: the clamping mechanism comprises two righting clamping plates and two telescopic springs, wherein the righting clamping plates are respectively and fixedly connected with one ends of the telescopic springs, the righting clamping plates are arranged into an arc shape, and the inner side faces of the righting clamping plates are used for clamping the outer walls of the seedling raising bags.
Further: the water spraying mechanism comprises a main pipe, a water spraying branch pipe and a spray head, wherein the water inlet end of the main pipe is provided with a water inlet pipe and a water pump, the water spraying branch pipe is fixedly connected with the water outlet end of the main pipe, and the spray head is arranged at the lower end of the surface of the water spraying branch pipe.
Further: the two sides of the upper end of the bracket are respectively provided with a fixed sleeve, and the fixed sleeves are respectively sleeved at two ends of the water spraying branch pipe.
(III) beneficial effects
Compared with the prior art, the invention provides a seedling raising device, which has the following beneficial effects:
1. this device of growing seedlings through soil humidity sensor real-time detection educates the inside soil humidity of seedling bag to drive the seedling bag through the pneumatic cylinder and go up and down, the water that spouts in the seedling bag is spouted from the water spraying mechanism must carry out the abundant part of back to soil and plant root and ooze from the hole of permeating water of seedling bag bottom, prevent to retting the root, along with the moisture in the seedling bag is absorbed gradually, when soil humidity is not up to standard again, the hole of permeating water that the seedling bag descends to the bottom soaks the ponding in the water catch bowl, make the water can be followed the hole of permeating water and permeate the inside secondary utilization of making of seedling bag, for the inside soil of seedling bag supplements moisture, under soil humidity sensor's control, can accurate control the water of retting at every turn, avoid the excessive root that causes of moisturizing, or the insufficient water that causes the lack of water. And water resources are saved, and waste of redundant water resources during irrigation is prevented.
2. This device of growing seedlings through offer with put the cross recess of support frame bottom size unanimity at the inside bottom surface of water catch bowl, puts the support frame of putting of the bag lower extreme of growing seedlings and can block into inside the recess when the bag descends to the minimum position of growing seedlings, avoids growing seedlings and appears the gap between bag bottom and the water catch bowl bottom surface, makes the ponding in the water catch bowl unable whole inside the infiltration of water permeable hole bag of growing seedlings, carries out the reutilization, avoids the inside bottom of water catch bowl a portion ponding of water catch bowl can only remain and cause extravagant, and prevents that ponding from smelly because of residual time overlength.
3. This device of growing seedlings is held rightly to the seedling bag that is equipped with soil and is the cylinder appearance through setting up fixture between the hole of growing seedlings, under the centre gripping of righting splint, not unidimensional seedling bag can all be righted by righting splint, makes it keep vertical state, avoids seedling bag slope and emptys even, and then prevents to cause harmful effect to the nursery stock growth of cultivating.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of a portion of the assembly of the present invention;
FIG. 3 is an internal cross-sectional view of the nursery cabinet of the present invention;
FIG. 4 is a schematic view of a base structure of the present invention;
FIG. 5 is a state diagram of the seedling raising bag of the present invention above the water collection sump;
FIG. 6 is a state diagram of the seedling raising bag of the present invention in the bottom surface of the water collecting tank.
In the figure: 1. a seedling raising frame; 11. seedling raising holes; 111. a mounting groove; 12. placing a supporting frame; 13. a first connection plate; 14. a water baffle; 2. a seedling bag; 3. a clamping mechanism; 31. centralizing the clamping plate; 32. a telescopic spring; 4. a bracket; 41. a fixed sleeve; 5. a water spraying mechanism; 51. a main pipe; 52. a water spraying branch pipe; 53. a spray head; 6. a base; 61. a water collection tank; 611. a groove; 62. a second connecting plate; 7. a hydraulic cylinder; 8. a soil humidity sensor; 81. a probe; 9. and a controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, a seedling raising device comprises a seedling raising frame 1 and seedling raising bags 2, wherein seedling raising holes 11 are formed in the surface of the seedling raising frame 1 in a penetrating manner, the seedling raising holes 11 are uniformly distributed, support frames 12 are arranged at the lower ends of the seedling raising holes 11, the seedling raising bags 2 are respectively arranged in the support frames 12, and clamping mechanisms 3 are arranged between the inner walls of the seedling raising holes 11 and used for clamping and righting the seedling raising bags 2;
the upper end of the seedling raising frame 1 is provided with a bracket 4, a water spraying mechanism 5 is arranged between the brackets 4 and used for spraying water to the seedling raising bag 2 and supplementing water required by the seedling raising bag 2;
the lower extreme of seedling raising frame 1 is provided with base 6, and water catch bowl 61 has been seted up to base 6 upper surface for collect the unnecessary water that water spray mechanism 5 sprayed, be equipped with level sensor in the water catch bowl 61, be used for detecting the interior liquid level height of water catch bowl 61.
Further, the bottoms of the seedling raising bags 2 are provided with water permeable holes, so that water can seep from the inside of the seedling raising bags 2 and can also seep from the outside of the seedling raising bags 2, wherein a soil humidity sensor 8 is arranged in one of the seedling raising bags 2, and specifically, the soil sensor 8 can be selected from a capacitive soil humidity sensor, a resistive soil humidity sensor, an ionic soil humidity sensor and the like; the probe 81 at the bottom end of the soil humidity sensor 8 is completely inserted into the soil inside the seedling bag 2, so that the soil humidity inside the seedling bag 2 can be detected in real time through the soil humidity sensor 8; the seedling raising frame 1 is connected with the base 6 through the hydraulic cylinder 7, the two sides of the seedling raising frame 1 are respectively provided with the first connecting plate 13, the two sides of the base 6 are respectively provided with the second connecting plate 62, and the two ends of the hydraulic cylinder 7 are respectively fixedly connected with the first connecting plate 13 and the second connecting plate 62, so that the hydraulic cylinder 7 can drive the seedling raising frame 1 to lift and further drive the seedling raising bag 2 to lift, when the seedling raising bag 2 rises above the base 6, the water spraying mechanism 5 sprays water in the seedling raising bag 2 to sufficiently moisten soil and plant roots, redundant parts can seep out from the water permeable holes and drop into the water collecting tank 61; when the water permeable hole at the bottom of the seedling raising bag 2 is immersed in the water collecting tank 61, the water in the water collecting tank 61 can permeate into the seedling raising bag 2 through the water permeable hole, and the soil in the seedling raising bag can be supplemented with water.
Further, a controller 9 is arranged on one side of the base 6, the controller 9 comprises a control module, the water spraying mechanism 5, a liquid level sensor, the hydraulic cylinder 7 and the soil humidity sensor 8 are all connected with the controller 9 through electric signals, so that the soil humidity sensor 8 can feed back detected soil humidity values to the controller 9, and the controller 9 can regulate the running conditions of the water spraying mechanism 5 and the hydraulic cylinder 7 according to the soil humidity to control the water spraying mechanism 5 to spray or stop spraying and control the hydraulic cylinder 7 to stretch out or retract.
Further, the bottom surface inside the water collecting tank 61 is provided with the grooves 611, the positions of the grooves 611 are in one-to-one correspondence with the support frame 12, the grooves 611 are arranged into a cross shape with the bottom end of the support frame 12 being consistent in size, so that the seedling raising bag 2 can descend to the bottom to be attached to the bottom surface of the water collecting tank 61, at the moment, the support frame 12 at the lower end of the seedling raising bag 2 is clamped into the grooves 611, so that water inside the water collecting tank 61 can be completely permeated from the water permeating holes at the bottom of the seedling raising bag 2, secondary utilization is performed, partial accumulated water at the bottom end inside the water collecting tank 61 is prevented from being only left, and accumulated water is prevented from being smelly due to overlong residual time.
Further, the side surfaces of the upper surface of the seedling raising frame 1 are respectively provided with a water baffle 14, so that water sprayed from the water spraying mechanism 5 is prevented from flowing out of the outer side of the upper surface of the seedling raising frame 1, and waste is avoided.
Further, fixture 3 includes two righting splint 31 and two extension spring 32, righting splint 31 respectively with extension spring 32's one end fixed connection, install the groove 111 has been seted up respectively to seedling hole 11 inner wall both sides, extension spring 32's the other end respectively with the inner wall fixed connection of install the groove 111, righting splint 31 sets up to the arc and righting splint 31's inboard and carry out the centre gripping to seedling bag 2 outer wall, thereby under righting splint 31's centre gripping, be equipped with seedling bag 2 that soil is the cylinder appearance can keep vertical state, and then effectively avoid seedling bag 2 slope to empty even, prevent to cause harmful effects to the growth of cultivating, and under extension spring 32's elastic action, righting splint 31 can carry out the centre gripping to different sizes seedling bag 2.
Further, the water spraying mechanism 5 comprises a main pipe 51, water spraying branch pipes 52 and spray heads 53, wherein the water inlet end of the main pipe 51 is provided with a water inlet pipe and a water pump, the water spraying branch pipes 52 are fixedly connected to the water outlet end of the main pipe 51, the spray heads 53 are arranged at the lower ends of the surfaces of the water spraying branch pipes 52, the quantity and the distribution of the water spraying branch pipes 52 and the spray heads 53 are determined according to the actual distribution condition of the seedling raising bags 2, so that water sprayed by the spray heads 53 can uniformly fall on the surface of the seedling raising frame 1, the water quantity sprayed into the seedling raising bags 2 is not greatly different, and water which is not sprayed into the seedling raising bags 2 can fall into the water collecting tank 61 from the gaps of the seedling raising holes 11.
Further, fixing sleeves 41 are respectively arranged on two sides of the upper end of the support 4, and the fixing sleeves 41 are respectively sleeved on two ends of the water spraying branch pipe 52, so that the water spraying mechanism 5 is fixed through the fixing sleeves 41.
Working principle: when in use, the seedling raising bags 2 are placed at the upper ends of the supporting frames 12 one by one, and the inner sides of the centralizing splints 31 clamp the outer walls of the seedling raising bags 2, so that the seedling raising bags 2 filled with soil in a cylindrical shape are kept in a vertical state, and the seedling raising bags 2 are prevented from tilting or even toppling; the soil humidity sensor 8 detects the soil humidity in the seedling raising bag 2 in real time, and feeds back the detected soil humidity value to the controller 9, when the detected soil humidity in the seedling raising bag 2 is lower than the minimum value suitable for breeding, the controller 9 controls the water spraying mechanism 5 to spray water, the water sprayed into the seedling raising bag 2 fully moistens the soil and plant roots, the water which is not sprayed into the seedling raising bag 2 falls into the water collecting tank 61 from the gap of the seedling raising hole 11, after the soil humidity in the seedling raising bag 2 reaches the maximum value suitable for breeding, the water spraying mechanism 5 stops working, and redundant water in the seedling raising bag 2 seeps out from the water permeable hole and falls into the water collecting tank 61;
the water reserved in the soil in the seedling raising bag 2 is slowly absorbed by the seedlings until the soil humidity detected by the soil humidity sensor 8 is lower than the minimum value suitable for breeding again, at the moment, if the liquid level sensor detects that the liquid level in the water collecting tank is higher than the preset height, the controller 9 controls the movable end of the hydraulic cylinder 7 to retract, the seedling raising rack 1 is driven to descend until the bottom of the seedling raising bag 2 is attached to the bottom surface of the water collecting tank 61, and water in the water collecting tank 61 can permeate from the water permeable hole at the bottom of the seedling raising bag 2 to supplement water for the soil in the seedling raising bag 2 until the soil humidity reaches the maximum value suitable for breeding, and irrigation is completed; if the accumulated water in the water collecting tank 61 completely permeates into the seedling raising bag 2, the soil humidity still does not reach the highest value suitable for breeding, the hydraulic cylinder 7 drives the seedling raising frame 1 to rise, the seedling raising bag 2 rises to the position above the base 6, water is sprayed through the water spraying mechanism 5 until the humidity reaches the standard, and irrigation is completed. If the soil humidity detected by the soil humidity sensor 8 is lower than the lowest value suitable for breeding again and the liquid level in the water collecting tank is lower than the preset height detected by the liquid level sensor, the hydraulic cylinder 7 drives the seedling raising frame 1 to ascend, so that the seedling raising bag 2 ascends to the position above the base 6, water is directly sprayed through the water spraying mechanism 5 until the humidity reaches the standard, irrigation is completed, in the process, if the liquid level in the water collecting tank reaches the upper limit height and the humidity of the soil still does not reach the standard, the water spraying mechanism 5 is interrupted to spray water, and the seedling raising bag 2 is controlled to descend to the bottom to be attached to the bottom surface of the water collecting tank 61 to improve the humidity of the soil. Wherein the upper limit height may be the maximum height at which the sump is able to collect water. The control process can be realized by a control module in the controller.
Specifically, the control module is used for:
when the soil humidity detected by the soil humidity sensor 8 is lower than the lowest value suitable for breeding, if the liquid level sensor detects that the liquid level in the water collecting tank is higher than the preset height, the movable end of the hydraulic cylinder 7 is controlled by the controller 9 to retract to drive the seedling raising frame 1 to descend until the seedling raising bag 2 descends to the bottom to be attached to the bottom surface of the water collecting tank 61, so that water in the water collecting tank 61 can infiltrate from the water permeable holes at the bottom of the seedling raising bag 2 to supplement water for soil in the seedling raising bag 2;
if the accumulated water in the water collecting tank 61 completely permeates into the seedling raising bag 2, the soil humidity still does not reach the highest value suitable for breeding, the hydraulic cylinder 7 drives the seedling raising frame 1 to rise, the seedling raising bag 2 rises to the position above the base 6, water is sprayed through the water spraying mechanism 5 until the humidity reaches the standard, and irrigation is completed.
If the soil humidity detected by the soil humidity sensor 8 is lower than the lowest value suitable for breeding and the liquid level in the water collecting tank is lower than the preset height detected by the liquid level sensor, the hydraulic cylinder 7 drives the seedling raising frame 1 to ascend, so that the seedling raising bag 2 ascends to the position above the base 6, water is directly sprayed through the water spraying mechanism 5 until the humidity reaches the standard, irrigation is completed, in the process, if the liquid level in the water collecting tank reaches the upper limit height and the humidity of the soil still does not reach the standard, the water spraying mechanism 5 is interrupted to spray water, and the seedling raising bag 2 is controlled to descend to the bottom to be attached to the bottom surface of the water collecting tank 61 to improve the humidity of the soil.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The seedling raising device is characterized by comprising a seedling raising frame (1) and seedling raising bags (2), wherein seedling raising holes (11) are formed in the surface of the seedling raising frame (1) in a penetrating mode, supporting frames (12) are arranged at the lower ends of the seedling raising holes (11), the seedling raising bags (2) are respectively arranged inside the supporting frames (12), and clamping mechanisms (3) are arranged between the inner walls of the seedling raising holes (11) and used for clamping and righting the seedling raising bags (2); the clamping mechanism (3) comprises two centralizing clamping plates (31) and two telescopic springs (32), wherein the centralizing clamping plates (31) are fixedly connected with one ends of the telescopic springs (32) respectively, the centralizing clamping plates (31) are arranged in an arc shape, and the inner sides of the centralizing clamping plates (31) clamp the outer walls of the seedling raising bags (2);
the upper end of the seedling raising frame (1) is provided with a bracket (4), and a water spraying mechanism (5) is arranged between the brackets (4) and used for spraying water to the seedling raising bag (2);
the lower end of the seedling raising frame (1) is provided with a base (6), and the upper surface of the base (6) is provided with a water collecting tank (61) for collecting redundant water sprayed by the water spraying mechanism (5); grooves (611) are formed in the inner bottom surface of the water collecting tank (61), the positions of the grooves (611) are in one-to-one correspondence with the support frames (12), and the grooves (611) are arranged in a cross shape with the same size as the bottom ends of the support frames (12);
a soil humidity sensor (8) is arranged in the seedling raising bag (2), and a probe (81) at the bottom end of the soil humidity sensor (8) is completely inserted into soil in the seedling raising bag (2);
the device also comprises a controller (9), wherein the water spraying mechanism (5) and the soil humidity sensor (8) are connected with the controller (9) through electric signals; a liquid level sensor is arranged in the water collecting tank (61) and is used for detecting the liquid level height in the water collecting tank (61), and the liquid level sensor is connected with the controller (9) through an electric signal; the bottom of the seedling raising bag (2) is provided with water permeable holes, the seedling raising frame (1) is connected with the base (6) through a hydraulic cylinder (7), the hydraulic cylinder (7) is used for driving the seedling raising frame (1) to lift relative to the water collecting tank (61), and the hydraulic cylinder (7) is connected with the controller (9) through an electric signal;
the controller (9) comprises a control module for:
when the soil humidity detected by the soil humidity sensor (8) is lower than the minimum value suitable for breeding, if the liquid level in the water collecting tank is higher than the preset height detected by the liquid level sensor, the movable end of the hydraulic cylinder (7) is controlled by the controller (9) to retract to drive the seedling raising frame (1) to descend until the seedling raising bag (2) descends to the bottom to be attached to the bottom surface of the water collecting tank (61), so that water in the water collecting tank (61) can permeate from the water permeable hole at the bottom of the seedling raising bag (2) to supplement water for soil in the seedling raising bag (2);
if accumulated water in the water collecting tank (61) completely permeates into the seedling raising bag (2) and then the soil humidity still does not reach the highest value suitable for breeding, the hydraulic cylinder (7) drives the seedling raising frame (1) to rise, so that the seedling raising bag (2) rises to the position above the base (6), water is sprayed through the water spraying mechanism (5) until the humidity reaches the standard, and irrigation is completed; if the soil humidity detected by the soil humidity sensor (8) is lower than the lowest value suitable for breeding and the liquid level in the water collecting tank detected by the liquid level sensor is lower than the preset height, the hydraulic cylinder (7) drives the seedling raising frame (1) to rise, so that the seedling raising bag (2) rises to the position above the base (6), water is directly sprayed through the water spraying mechanism (5) until the humidity reaches the standard, and irrigation is completed.
2. A seedling raising device as defined in claim 1, wherein: the water spraying mechanism (5) comprises a main pipe (51), a water spraying branch pipe (52) and a spray head (53), wherein a water inlet pipe and a water pump are arranged at the water inlet end of the main pipe (51), the water spraying branch pipe (52) is fixedly connected with the water outlet end of the main pipe (51), and the spray head (53) is arranged at the lower surface end of the water spraying branch pipe (52).
3. A seedling raising device as defined in claim 2, wherein: fixing sleeves (41) are respectively arranged on two sides of the upper end of the support (4), and the fixing sleeves (41) are respectively sleeved at two ends of the water spraying branch pipe (52).
4. A seedling raising process comprising a seedling raising device according to any one of claims 1-3, characterized in that: this device of growing seedlings through soil humidity sensor real-time detection educates the inside soil humidity of seedling bag to drive the seedling bag through the pneumatic cylinder and go up and down, the water that spouts in the seedling bag is spouted from the water spraying mechanism must carry out the abundant part of back to soil and plant root and ooze from the hole of permeating water of seedling bag bottom, prevent to retting the root, along with the moisture in the seedling bag is absorbed gradually, when soil humidity is not up to standard again, the hole of permeating water that the seedling bag descends to the bottom soaks the ponding in the water catch bowl, make the water can be followed the hole of permeating water and permeate the inside secondary utilization of making of seedling bag, for the inside soil of seedling bag supplements moisture, under soil humidity sensor's control, can accurate control the water of retting at every turn, avoid the excessive root that causes of moisturizing, or the insufficient water that causes the lack of water.
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