CN107750936B

CN107750936B - Small-sized leguminous plant water culture device

Info

Publication number: CN107750936B
Application number: CN201711315184.0A
Authority: CN
Inventors: 赵岩; 张寒; 王秀华; 潘香逾; 孔凡美; 陈为峰
Original assignee: Shandong Agricultural University
Current assignee: Shandong Agricultural University
Priority date: 2017-12-12
Filing date: 2017-12-12
Publication date: 2023-03-10
Anticipated expiration: 2037-12-12
Also published as: CN107750936A

Abstract

The invention provides a small-particle leguminous plant water culture device which comprises a supporting device, a floating device and an air breather, wherein the supporting device comprises a water culture box and a rectangular bracket, and the rectangular bracket is fixed above the water culture box; the floating device comprises a rectangular plastic support, the rectangular plastic support is connected with the rectangular support through a connecting rope, the rectangular plastic support is positioned on the water surface in the water culture box, a layer of detachably adjustable absorbent cotton gauze is fixed on the top surface and the bottom surface of the rectangular plastic support respectively, and the upper layer of absorbent cotton gauze is divided into a plurality of square areas by a cotton soaking adhesive tape; the air pump is communicated with the water culture box through the air pipe. The rectangular plastic support is placed on the water surface in the water culture box, and the two layers of absorbent cotton gauze are separated by the rectangular plastic support at a certain distance, so that the function of fixing the plant root system and preventing lodging is achieved; the absorbent cotton gauze is detachable and adjustable, has elasticity and expandable gaps, and can provide adjustable space for the growth of plant roots.

Description

Small-sized leguminous plant water culture device

Technical Field

The invention relates to the technical field of plant cultivation, in particular to a small-particle leguminous plant water culture device.

Background

The family Leguminosae is one of the largest three families next to the family Compositae and the family Orchidaceae in angiosperms, and the family Leguminosae is about 650, 18000 in total and is widely distributed all over the world, and the scientific research on the family Leguminosae is very extensive. The leguminous plants are dicotyledonous and have developed root systems, wherein the leguminous plants with small grains have small seed volume and are not beneficial to water culture operation. The seedling stage is a stage which is sensitive to environmental stress in the plant growth process and has important influence on the later growth of the plant, and the nutrient solution water culture method is an indoor plant soilless culture mode and has strong growth environment controllability. Therefore, it is very important to select a proper water culture device in the seedling stage.

At present, the existing water culture devices in the market are mostly suitable for flowers and large crops such as wheat and cotton, and perfect water culture devices are lacked for leguminous plants, particularly for small-grain leguminous plants. Therefore, a small-sized leguminous plant hydroponic device which can be used for large-scale hydroponic tests and is low in cost and convenient to use is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the small-particle leguminous plant water culture device which can be used for carrying out large-batch water culture tests and has low cost and convenient use.

The invention is realized by the following technical scheme, and provides a granular leguminous plant water culture device which comprises a supporting device, a floating device and an air breather, wherein the supporting device comprises a water culture box and a rectangular bracket, and the rectangular bracket is detachably fixed above the water culture box; the floating device comprises a rectangular plastic support, the rectangular plastic support is connected with the rectangular support through a connecting rope, the length of the connecting rope is slightly larger than the distance from the rectangular support to the water surface in the water culture box, the rectangular plastic support is positioned on the water surface in the water culture box, a layer of detachable absorbent cotton gauze is fixed on the top surface and the bottom surface of the rectangular plastic support respectively, and the length of the absorbent cotton gauze is larger than that of the rectangular plastic support, so that the tightness of the absorbent cotton gauze can be adjusted; the air pump is communicated with the water culture box through the air pipe.

According to the invention, a rectangular plastic support is placed on a water culture box, the rectangular plastic support floats on the water surface in the water culture box, absorbent cotton gauze is fixed on the top surface and the bottom surface of the rectangular plastic support, a plant root system is positioned below the absorbent cotton gauze on the bottom surface, a plant passes through the aperture of the absorbent cotton gauze and is positioned above the absorbent cotton gauze, and the upper and lower layers of absorbent cotton gauze are separated by the middle rectangular plastic support for a certain distance, so that the function of fixing the plant root system and preventing lodging is achieved; the absorbent cotton gauze can be detached and fixed, has elasticity and can expand gaps, and the degree of tightness of the absorbent cotton gauze can be adjusted along with plant growth so as to adapt to the requirement of thickening of plant roots and provide an adjustable space for plant root growth.

Preferably, a foam tape for flexibly regionalizing the absorbent cotton gauze is fixed on the absorbent cotton gauze. The cotton soaking tape can divide absorbent cotton gauze into a plurality of areas so as to distinguish different plant materials, and the size of the areas is controlled by the number of the cotton soaking tape.

Preferably, the rectangular plastic support comprises plastic pipes and plastic interfaces, the plastic pipes are connected into a rectangular structure through the plastic interfaces, the plastic pipes and the plastic interfaces are bonded and sealed through 302 modified acrylate adhesive, and the plastic supports have buoyancy.

Preferably, the periphery of the absorbent cotton gauze at the top of the rectangular plastic support is fixed on the plastic pipe through a draw bar clamp, the periphery of the absorbent cotton gauze at the bottom of the rectangular plastic support is fixed on the plastic pipe through a dovetail clamp, and the tightness of the upper and lower layers of absorbent cotton gauze is controlled by the combination of the draw bar clamp and the dovetail clamp.

The rectangular plastic support is formed by connecting a plastic pipe and a plastic interface, the absorbent cotton gauze is detachably fixed on the plastic pipe through the draw rod clamp and the dovetail clamp, and the detachable structure ensures that the cotton-padded clothes rack is convenient to disassemble and assemble, low in cost and convenient to store and transport.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

the invention provides a small-particle leguminous plant water culture device which comprises a supporting device, a floating device and an air breather, wherein the supporting device comprises a water culture box and a rectangular bracket, and the rectangular bracket is detachably fixed above the water culture box; the floating device comprises a rectangular plastic support, the rectangular plastic support is connected with the rectangular support through a connecting rope, the length of the connecting rope is slightly greater than the distance from the rectangular support to the water surface in the water culture box, the rectangular plastic support is located on the water surface in the water culture box, a layer of detachable absorbent cotton gauze is fixed on the top surface and the bottom surface of the rectangular plastic support respectively, and the length of the absorbent cotton gauze is greater than that of the rectangular plastic support, so that the tightness of the absorbent cotton gauze is adjustable; the air pump is communicated with the water culture box through the air pipe. When the plant cultivation device is used, the rectangular plastic support is placed on the water surface in the water cultivation box, the cultivated plant root system is located below the absorbent cotton gauze, the plant penetrates through the aperture of the absorbent cotton gauze and is located above the absorbent cotton gauze, and the two layers of absorbent cotton gauze are separated by the rectangular plastic support for a certain distance, so that the plant root system is fixed and prevented from lodging; the absorbent cotton gauze can be detachably fixed, has elasticity, can enlarge gaps, can adjust the tightness of the absorbent cotton gauze along with the growth of plants, and provides an adjustable space for the growth of plant roots.

Drawings

For a clearer explanation of the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a granular leguminous plant hydroponic device provided by an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a fixed part of absorbent cotton gauze of a granular leguminous plant hydroponics device provided by an embodiment of the invention.

Shown in the figure: the water culture box comprises a water culture box 1, a rectangular support 2, a rectangular plastic support 3, a plastic pipe 31, a plastic connector 32, a connecting rope 4, absorbent cotton gauze 5, an air pump 6 and an air pipe 7.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.

Referring to fig. 1, a schematic structural diagram of a granular leguminous plant hydroponic device provided by an embodiment of the invention is shown.

As can be seen from fig. 1, the granular leguminous plant water culture device comprises a supporting device, a floating device and an air ventilation device, wherein the supporting device comprises a water culture box 1 and a rectangular bracket 2, and the rectangular bracket 2 is detachably fixed above the water culture box 1; the floating device comprises a rectangular plastic support 3, the rectangular plastic support 3 is connected with the rectangular support 2 through a connecting rope 4, the length of the connecting rope 4 is larger than the distance from the rectangular support 2 to the water surface in the water culture box 1, the rectangular plastic support 3 is positioned on the water surface in the water culture box 1, a layer of detachable absorbent cotton gauze 5 is respectively fixed on the top surface and the bottom surface of the rectangular plastic support 3, the length of the absorbent cotton gauze 5 is larger than that of the rectangular plastic support, and the length refers to the length in two directions, namely the length and the width, so that the tightness of the absorbent cotton gauze 5 can be adjusted; the aeration device comprises an air pump 6 and an aeration pipe 7, the air pump 6 is communicated with the water culture box 1 through the aeration pipe 7, and the aeration pipe 7 is used for aerating the liquid in the water culture box 1, so that the plant roots can breathe conveniently.

In this embodiment, the rectangular plastic bracket 3 includes a plastic pipe 31 and a plastic joint 32, the plastic pipe 31 is connected to form a rectangular structure through the plastic joint 32, and the plastic pipe 31 and the plastic joint 32 are bonded and sealed by a 302 modified acrylate adhesive. The circumference of the absorbent cotton gauze 5 is fixed on the plastic pipe 31 through the draw bar clamp, so that the absorbent cotton gauze 5 is in a tensioned state, and therefore, the length (or area) of the absorbent cotton gauze 5 is greater than that of the rectangular plastic bracket 3; the cotton wool gauze 5 is detachably connected, has the characteristics of elasticity and expandable gaps, and can provide an adjustable space for the growth of plant roots.

Can press from both sides the four sides of upper degrease cotton gauze 5 all around at rectangle plastic support 3 with little pole clamp earlier, it is further tight to recycle big pole clamp, make it firm, then wind 3 lower parts of rectangle plastic support from one side long limit wherein to the gauze, use 4 respectively at the long limit of opposite side and two minor faces, 2 and 2 forked tail clamping fixed lower floor degrease cotton gauze 5, rotate big pole clamp and can adjust the elasticity degree of upper degrease cotton gauze 5, adjust the elasticity degree of lower floor degrease cotton gauze 5 by the forked tail clamp. As shown in fig. 2, the degree of tightness of the upper degreased cotton gauze 5 can be adjusted by rotating the sucker rod clamp in the arrow direction, the upper degreased cotton gauze 5 is loose when the sucker rod clamp is rotated rightwards, and the upper degreased cotton gauze 5 is tensioned when the sucker rod clamp is rotated leftwards, so that the degree of tightness of the upper degreased cotton gauze 5 and the lower degreased cotton gauze 5 can be adjusted according to the growth requirements of plant roots. The plastic pipe 31 has buoyancy, the larger the diameter of the plastic pipe 31 is, the larger the buoyancy is, the buoyancy can be used for fine adjustment of the clearance between the plant material and the water surface, different diameters of the plastic pipe 31 can be set according to different requirements, and the diameter of the plastic pipe 31 is within a threshold value which can be clamped by the rod drawing clamp. In this embodiment, rectangle support 2 can be dismantled, and absorbent cotton gauze 5 also can be dismantled from rectangle plastic support 3, makes things convenient for the dismouting, and reduce cost makes things convenient for storage and transportation.

Connect rope 4 and be nylon rope, the quantity of nylon rope is four, and one end winding is on four angles of rectangle support 2 to press from both sides tightly with the forked tail, the other end is fixed on four angles of rectangle plastic support 3, and the length of nylon rope 4 slightly is greater than rectangle support 2 extremely the distance of the surface of water in the water planting box 1, so that can be according to the winding number of turns of altitude mixture control nylon rope 4 on rectangle support 2 of the surface of water, the surface of water is hugged closely to absorbent cotton gauze 5 on the rectangle plastic support 3 of being convenient for. The rectangular support 2 can be fixed above the water culture box 1 through a support rod and can also be fixed through other modes.

Further, in this embodiment, a cotton foam tape for partitioning the absorbent cotton gauze 5 into a plurality of regions is fixed on the absorbent cotton gauze 5. The absorbent cotton gauze 5 is divided into different areas by using a foam adhesive tape, the size of each area is adjustable, multiple areas can be used for cultivating multiple leguminous plants, the growth space of plant materials is flexibly regionalized, and the use is convenient.

Specifically, in the embodiment, the length of the hydroponic box 1 is about 60cm, the width is about 38cm, the height is about 17cm, the water storage capacity is about 18.9L, the length of the rectangular support 2 is about 70cm, the width is about 34cm, the diameter is about 0.7mm, the length of the rectangular plastic support 3 is about 53cm, the width is about 33cm, and the diameter is about 1 mm. In this embodiment, the cultivated leguminous plants of the small-grain legume family have a diameter of about 1.5 to 3mm, and the initial pore size of the absorbent cotton gauze 5 is about 1mm, and the pore size of the absorbent cotton gauze 5 may be continuously increased as the roots grow.

The granular leguminous plant water culture device provided by the invention is convenient for large-scale operation and character investigation, and the double-layer absorbent cotton gauze 5 is separated by the plastic pipe 31 at a certain distance to play a role in fixing the root system of a plant and preventing lodging; the rectangular support 2 can be disassembled, the absorbent cotton gauze 5 can also be disassembled from the plastic pipe 31, and the detachable mounting structure is convenient to assemble and disassemble, low in cost, convenient to store and transport and convenient to use.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; while the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes, modifications, additions and substitutions can be made therein without departing from the spirit and scope of the invention as defined in the accompanying claims.

Claims

1. The granular leguminous plant water culture device is characterized by comprising a supporting device, a floating device and an air ventilation device, wherein the supporting device comprises a water culture box (1) and a rectangular support (2), and the rectangular support (2) is detachably fixed above the water culture box (1); the floating device comprises a rectangular plastic support (3), the rectangular plastic support (3) is connected with the rectangular support (2) through a connecting rope (4), the length of the connecting rope (4) is larger than the distance from the rectangular support (2) to the water surface in the water culture box (1), one end of the connecting rope (4) is wound on four corners of the rectangular support, and the other end of the connecting rope is fixed on the four corners of the rectangular plastic support;

the water culture box is characterized in that the rectangular plastic support (3) is located on the water surface in the water culture box (1), a layer of detachable absorbent cotton gauze (5) is fixed on the top surface and the bottom surface of the rectangular plastic support (3) respectively, and the length of the absorbent cotton gauze (5) is larger than that of the rectangular plastic support (3), so that the tightness of the absorbent cotton gauze (5) is adjustable; the aeration device comprises an air pump (6) and an aeration pipe (7), and the air pump (6) is communicated with the water culture box (1) through the aeration pipe (7); a cotton soaking adhesive tape for dividing the absorbent cotton gauze (5) into a plurality of areas is fixed on the absorbent cotton gauze (5);

the rectangular plastic support (3) comprises a plastic pipe (31) and a plastic interface (32), the plastic pipe (31) is connected into a rectangular structure through the plastic interface (32), and the plastic pipe (31) and the plastic interface (32) are bonded and sealed by using 302 modified acrylate adhesive;

when the cotton yarn taking-out device is used, the periphery of the upper-layer degreased cotton gauze is clamped on the four sides of the rectangular plastic support by the small sucker rod clamp, the large sucker rod clamp is further utilized to clamp the upper-layer degreased cotton gauze firmly, the gauze is wound to the lower portion of the rectangular plastic support from the long edge of one side, the lower-layer degreased cotton gauze is fixed by the long edge and the two short edges of the other side by 4, 2 and 2 dovetail clamps respectively, the tightness degree of the upper-layer degreased cotton gauze can be adjusted by rotating the large sucker rod clamp, and the tightness degree of the lower-layer degreased cotton gauze is adjusted by the dovetail clamps.

2. The granular leguminous plant hydroponics device according to claim 1, characterized in that the absorbent cotton gauze (5) on the top surface of the rectangular plastic support (3) is fixed on the plastic pipe (31) at the periphery through a draw bar clamp, the absorbent cotton gauze (5) on the bottom surface of the rectangular plastic support (3) is fixed on the plastic pipe (31) through a dovetail clamp, and the tightness of the upper and lower layers of absorbent cotton gauze (5) is controlled by the combination of the draw bar clamp and the dovetail clamp.