Root exudates collecting device

Abstract

The utility model discloses a root exudate collecting device which comprises a culture tube, a partition plate is detachably connected into the culture tube, a positioning hole is formed in the partition plate, and cavities, located on the upper side and the lower side of the partition plate, in the culture tube are filled with glass beads respectively; an extraction assembly is installed on the extraction tank, the input end of the extraction assembly is fixedly communicated with the bottom end of the culture tube, and the output end of the extraction assembly is fixedly communicated with the side wall of the top end of the extraction tank; the cleaning assembly is mounted in the extraction tank; the filter assembly comprises a liquid discharge pipe fixedly connected to the bottom of the extraction tank, one end of the liquid discharge pipe is fixedly communicated with a water inlet of the infusion pump, and a filter is mounted on the liquid discharge pipe; and the output end of the infusion pump is fixedly communicated with the storage box through a conveying pipe. The glass beads are used for replacing soil to cultivate plants, culture liquid is directly discharged through the bottoms of the culture tubes during extraction, plant root systems cannot be affected, and damage to the plant root systems is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of plant cultivation equipment, in particular to a root exudate collection device. Background Art

[0002] Root exudates refer to a variety of substances secreted or released by different parts of roots into the growth medium during plant growth. These substances include low molecular weight organic substances, high molecular weight viscous substances, root cell debris and their decomposition products, as well as gases, protons and nutrient ions. Root exudates are not only in large quantities but also play an important role. It is a key factor maintaining the vitality of the rhizosphere microecosystem and an important part of the rhizosphere material cycle. Root exudates significantly change the physical, chemical and biological properties of the root-soil interface, thus having an important impact on the bioavailability of various nutrients in the soil. The main factors affecting root exudates include environmental stress, rhizosphere microorganisms, plant species, etc.

[0003] To study the exudates, it is necessary to collect and extract them. The existing collection method is to take out the plant from the cultivation box to collect the exudates, but taking out the plant will cause certain damage to the plant. Therefore, the utility model provides a root exudate collection device. Content of the Utility Model

[0004] The purpose of the utility model is to provide a root exudate collection device to solve the problems existing in the prior art.

[0005] To achieve the above purpose, the utility model provides the following scheme: The utility model provides a root exudate collection device, including:

[0006] A culture tube, a partition is detachably connected in the culture tube, positioning holes are formed in the partition, and glass beads are filled in the cavities on both sides of the partition in the culture tube;

[0007] An extraction tank, an extraction assembly is installed on the extraction tank, the input end of the extraction assembly is fixedly communicated with the bottom end of the culture tube, and the output end of the extraction assembly is fixedly communicated with the side wall of the top end of the extraction tank;

[0008] A cleaning assembly, the cleaning assembly is installed in the extraction tank;

[0009] A filtering assembly, the filtering assembly includes a drain pipe fixedly connected to the bottom of the extraction tank, one end of the drain pipe is fixedly communicated with the water inlet of a liquid extraction pump, a filter is installed on the drain pipe, and the filter is arranged between the liquid extraction pump and the extraction tank;

[0010] A storage tank, the output end of the liquid extraction pump is fixedly communicated with the storage tank through a delivery pipe.

[0011] According to the root exudate collection device provided by the present utility model, the cleaning assembly includes a mounting shaft vertically and rotatably connected inside the extraction tank. The mounting shaft is coaxially arranged with the extraction tank. Two mounting assemblies are fixedly connected to the mounting shaft. A cleaning brush is detachably connected between the two mounting assemblies. The cleaning brush is in contact and cooperation with the inner wall of the extraction tank. A transmission assembly is installed at the top end of the extraction tank. The mounting shaft passes through the top end of the extraction tank and is in transmission cooperation with the transmission assembly.

[0012] According to the root exudate collection device provided by the present utility model, the mounting assembly includes a mounting pipe fixedly connected to the side wall of the mounting shaft. The mounting pipe is perpendicular to the mounting shaft. A mounting rod is slidably connected inside one end of the mounting pipe. Two clamping plates are fixedly connected to the end of the mounting rod. The cleaning brush is arranged between the two clamping plates. The two clamping plates and the cleaning brush are detachably connected by fixing bolts. A compression spring is fixedly connected between the end of the mounting rod and the end of the mounting pipe. The compression spring is sleeved on the mounting rod.

[0013] According to the root exudate collection device provided by the present utility model, a driving motor is fixedly connected to the top end of the extraction tank. The output shaft of the driving motor is fixedly connected with a driving bevel gear. The mounting shaft passes through the top end of the extraction tank and is fixedly connected with a driven bevel gear. The driving bevel gear is in transmission cooperation with the driven bevel gear.

[0014] According to the root exudate collection device provided by the present utility model, the extraction assembly includes a negative pressure pump fixedly connected to the side wall of the extraction tank. The water inlet end of the negative pressure pump is fixedly communicated with the bottom of the culture tube through a first pump pipe. The water outlet end of the negative pressure pump is fixedly communicated with the side wall of the top end of the extraction tank through a second pump pipe.

[0015] According to the root exudate collection device provided by the present utility model, a plug is fixedly and detachably connected to the bottom of the culture tube. The first pump pipe passes through the plug and extends into the culture tube. An electromagnetic control valve is installed on the first pump pipe.

[0016] The present utility model discloses the following technical effects:

[0017] When the present utility model is used, glass beads are used instead of soil, and a culture solution is filled in the culture tube. The partition plate can position the plant. The upper and lower sides of the partition plate are respectively the stem and leaf part and the root part of the plant. The exudates generated by the root part are mixed with the culture solution. Then, the extraction assembly is used to extract the mixed solution into the extraction tank. The extraction tank serves as an initial storage device. The mixed solution in the extraction tank is pumped into the storage tank by a liquid extraction pump. At the same time, during the extraction process, the mixed solution passes through a filter to filter the mixed solution.

[0018] The utility model uses glass beads to replace soil for cultivating plants. When extracting, the culture solution is directly discharged from the bottom of the culture tube, which will not affect the plant roots and reduce the damage to the plant roots. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic structural diagram of the root exudate collection device of the present utility model;

[0021] Figure 2 It is a schematic internal structure diagram of the extraction tank of the present utility model;

[0022] Figure 3 For Figure 2 the enlarged view at position A in

[0023] Among them, 1. culture tube; 2. partition board; 3. glass beads; 4. extraction tank; 5. drain pipe; 6. filter; 7. storage tank; 8. mounting shaft; 9. cleaning brush; 10. mounting pipe; 11. mounting rod; 12. clamping plate; 13. fixing bolt; 14. compression spring; 15. drive motor; 16. negative pressure pump; 17. first pump pipe; 18. second pump pipe; 19. electromagnetic control valve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0025] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0026] Referring to Figures 1-3 , the present utility model provides a root exudate collection device, including:

[0027] Culture tube 1, a partition 2 is detachably connected inside the culture tube 1. Positioning holes are provided on the partition 2. Glass beads 3 are respectively filled in the cavities above and below the partition 2 inside the culture tube 1;

[0028] Extraction tank 4, an extraction assembly is installed on the extraction tank 4. The input end of the extraction assembly is fixedly communicated with the bottom end of the culture tube 1, and the output end of the extraction assembly is fixedly communicated with the side wall at the top end of the extraction tank 4;

[0029] Cleaning assembly, the cleaning assembly is installed inside the extraction tank 4;

[0030] Filtering assembly, the filtering assembly includes a drain pipe 5 fixedly connected to the bottom of the extraction tank 4. One end of the drain pipe 5 is fixedly communicated with the water inlet of the liquid extraction pump. A filter 6 is installed on the drain pipe 5, and the filter 6 is arranged between the liquid extraction pump and the extraction tank 4;

[0031] Storage tank 7, the output end of the liquid extraction pump is fixedly communicated with the storage tank 7 through a delivery pipe.

[0032] When the utility model is used, glass beads 3 are used to replace soil, and a culture solution is filled in the culture tube 1. The partition 2 can position the plants. The upper and lower sides of the partition 2 are respectively the stem and leaf parts and the root parts of the plants. The secretions generated by the root parts are mixed with the culture solution. Then, the extraction assembly is used to extract the mixed solution into the extraction tank 4. The extraction tank 4 serves as an initial storage device. The mixed solution in the extraction tank 4 is extracted into the storage tank 7 by the liquid extraction pump. At the same time, during the extraction process, the mixed solution passes through the filter 6 to filter the mixed solution.

[0033] The utility model uses glass beads 3 to replace soil for cultivating plants. When extracting, the culture solution directly drains out from the bottom of the culture tube 1, which will not affect the plant roots and reduces the damage to the plant roots.

[0034] In a further optimized scheme, the cleaning assembly includes a mounting shaft 8 vertically and rotatably connected inside the extraction tank 4. The mounting shaft 8 is coaxially arranged with the extraction tank 4. Two mounting assemblies are fixedly connected to the mounting shaft 8. A cleaning brush 9 is detachably connected between the two mounting assemblies. The cleaning brush 9 is in contact and cooperation with the inner wall of the extraction tank 4. A transmission assembly is installed at the top end of the extraction tank 4. The mounting shaft 8 passes through the top end of the extraction tank 4 and is in transmission cooperation with the transmission assembly.

[0035] In a further optimized scheme, the mounting assembly includes a mounting pipe 10 fixedly connected to the side wall of the mounting shaft 8. The mounting pipe 10 is perpendicular to the mounting shaft 8. One end of the mounting pipe 10 is internally slidably connected with a mounting rod 11. The end of the mounting rod 11 is fixedly connected with two clamping plates 12. The cleaning brush 9 is arranged between the two clamping plates 12. The two clamping plates 12 and the cleaning brush 9 are detachably connected by a fixing bolt 13. A compression spring 14 is fixedly connected between the end of the mounting rod 11 and the end of the mounting pipe 10. The compression spring 14 is sleeved on the mounting rod 11.

[0036] For a further optimized solution, a driving motor 15 is fixedly connected to the top end of the extraction tank 4. The output shaft of the driving motor 15 is fixedly connected with a driving bevel gear. The mounting shaft 8 passes through the top end of the extraction tank 4 and is fixedly connected with a driven bevel gear. The driving bevel gear is in transmission cooperation with the driven bevel gear.

[0037] The driving motor 15 is used to control the rotation of the driving bevel gear. The driving bevel gear drives the driven bevel gear to rotate, thereby driving the mounting shaft 8 to rotate. The rotation of the mounting shaft 8 controls the rotation of the mounting pipe 10, the mounting rod 11, and the cleaning brush 9 fixed to the end of the mounting rod 11 around the axis of the mounting shaft 8. The inner wall of the extraction tank 4 is cleaned by the cleaning brush 9. A compression spring 14 is arranged between the mounting pipe 10 and the mounting rod 11. The arrangement of the compression spring 14 enables the cleaning brush 9 to always adhere to the inner wall of the extraction tank 4, ensuring the cleaning effect. The setting of the cleaning assembly can ensure that the inside of the extraction tank 4 remains clean, preventing the mixing of the root exudates of different crops during extraction and affecting the final detection results.

[0038] For a further optimized solution, the extraction assembly includes a negative pressure pump 16 fixedly connected to the side wall of the extraction tank 4. The water inlet end of the negative pressure pump 16 is fixedly communicated with the bottom of the culture tube 1 through a first pump pipe 17. The water outlet end of the negative pressure pump 16 is fixedly communicated with the side wall at the top end of the extraction tank 4 through a second pump pipe 18.

[0039] For a further optimized solution, a plugging head is fixedly and detachably connected to the bottom of the culture tube 1. The first pump pipe 17 passes through the plugging head and extends into the culture tube 1. An electromagnetic control valve 19 is installed on the first pump pipe 17.

[0040] The plugging head is made of a sterile rubber head. The first pump pipe 17 passes through the plugging head and extends into the culture tube 1. The culture tube 1 adopts a tapered structure. The setting of the electromagnetic control valve 19 can ensure that a certain amount of culture solution can accumulate in the culture tube 1.

[0041] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0042] The embodiments described above are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A root exudate collection device, characterized in that: include: A culture tube (1), wherein a partition (2) is detachably connected to the culture tube (1), a positioning hole is provided on the partition (2), and cavities located on upper and lower sides of the partition (2) in the culture tube (1) are respectively filled with glass beads (3); An extraction tank (4), wherein an extraction component is installed on the extraction tank (4), wherein an input end of the extraction component is fixedly connected to the bottom end of the culture tube (1), and an output end of the extraction component is fixedly connected to the side wall at the top end of the extraction tank (4); A cleaning component, the cleaning component being installed in the extraction tank (4); A filter assembly, the filter assembly comprising a liquid discharge pipe (5) fixedly connected to the bottom of the extraction tank (4), one end of the liquid discharge pipe (5) being fixedly connected to the water inlet of the liquid extraction pump, a filter (6) being installed on the liquid discharge pipe (5), and the filter (6) being arranged between the liquid extraction pump and the extraction tank (4); A storage box (7), wherein the output end of the liquid pump is fixedly connected to the storage box (7) via a delivery pipe.

2. A root exudate collecting device according to claim 1, characterized in that: The cleaning component comprises a mounting shaft (8) vertically rotatably connected to the extraction tank (4); the mounting shaft (8) is coaxially arranged with the extraction tank (4); two groups of mounting components are fixedly connected to the mounting shaft (8); a cleaning brush (9) is detachably connected between the two groups of mounting components; the cleaning brush (9) is in contact with the inner wall of the extraction tank (4); a transmission component is installed at the top end of the extraction tank (4); the mounting shaft (8) passes through the top end of the extraction tank (4) and is in transmission cooperation with the transmission component.

3. A root exudate collecting device according to claim 2, characterized in that: The mounting assembly comprises a mounting tube (10) fixedly connected to the side wall of the mounting shaft (8), the mounting tube (10) being vertically arranged between the mounting shaft (8), a mounting rod (11) being slidably connected inside one end of the mounting tube (10), two clamping plates (12) being fixedly connected to the end of the mounting rod (11), the cleaning brush (9) being arranged between the two clamping plates (12), the two clamping plates (12) and the cleaning brush (9) being detachably connected via fixing bolts (13), a compression spring (14) being fixedly connected between the end of the mounting rod (11) and the end of the mounting tube (10), the compression spring (14) being sleeved on the mounting rod (11).

4. A root exudate collecting device according to claim 2, characterized in that: The top end of the extraction tank (4) is fixedly connected to a driving motor (15), the output shaft of the driving motor (15) is fixedly connected to a driving bevel gear, the mounting shaft (8) passes through the top end of the extraction tank (4) and is fixedly connected to a driven bevel gear, and the driving bevel gear is in transmission cooperation with the driven bevel gear.

5. A root exudate collecting device according to claim 1, characterized in that: The extraction component comprises a negative pressure pump (16) fixedly connected to the side wall of the extraction tank (4); the water inlet end of the negative pressure pump (16) is fixedly connected to the bottom of the culture tube (1) through a first pump tube (17); the water outlet end of the negative pressure pump (16) is fixedly connected to the top side wall of the extraction tank (4) through a second pump tube (18).

6. A root exudate collecting device according to claim 5, characterized in that: A plugging head is fixedly and detachably connected to the bottom of the culture tube (1); the first pump tube (17) passes through the plugging head and extends into the culture tube (1); and an electromagnetic control valve (19) is installed on the first pump tube (17).

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