Soil microorganism detection device

Abstract

The utility model discloses a soil microorganism detection device and relates to the technical field of soil detection equipment. The device comprises a sampling assembly and a detection assembly, the sampling assembly comprises a collecting cylinder and a sampling needle tube, a connecting sleeve fixedly arranged at one end of the sampling needle tube is fixedly sleeved at one end of the collecting cylinder, and the detection assembly comprises a gas guide rod and a detection box. A piston edge is fixedly arranged on the outer side of one end of the air guide rod and slidably sleeved with the collecting cylinder. According to the utility model, the piston edge at the lower part of the gas guide rod is sleeved in the collecting cylinder, the sampling needle tube sucks the soil water immersion liquid into the collecting cylinder, carbon dioxide generated by respiration of microorganisms in the soil water immersion liquid is conveyed into the kit for reaction through the gas guide rod, and the content of the microorganisms in the soil is judged according to the reaction degree, so that the detection efficiency is improved; the sampling needle tube is inserted into soil needing to be measured, and the sampling needle head is inserted into the corresponding depth according to the needed depth, so that different soil depths can be quickly measured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to soil detection equipment technical field, especially relate to a soil microorganism detection device. BACKGROUND

[0002] Soil contains a large number of microorganisms, including bacteria, fungi and the like, and microorganisms participate in nutrient cycle conversion, environmental pollution purification and the like in soil, in addition, microorganisms in soil can form symbiotic relationship with plants, promote plant growth by producing hormones, providing nutrients and the like, and this symbiotic relationship has important significance for agricultural production and ecological balance, in the detection of microorganism content in soil, the content of microorganisms in soil can be judged by measuring carbon dioxide content produced by microbial respiration, and when measuring, soil is mixed with water, and then sealed for a period of time, and the carbon dioxide concentration in the interior is measured, this method is complicated, time-consuming and laborious, in addition, different depths of soil microorganism detection need to dig soil samples of different depths, so that the soil sampling link is time-consuming and laborious.

[0003] Therefore, we provide a soil microorganism detection device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a kind of soil microorganism detection devices, to solve the problems in the above-mentioned by the piston rim of detection component's air guide rod below is sleeved in the collection cylinder in sampling component, sampling needle tube in sampling component absorbs the soil water extract collected into collection cylinder, the carbon dioxide produced by microbial respiration in soil water extract is sent to reagent box by air guide rod and reacts, according to the degree of reaction judges the content of microorganism in soil, to realize real-time monitoring, improve measurement efficiency;By inserting sampling needle tube into the soil needing to be measured, according to the depth of need, sampling needle head is inserted into corresponding depth, so that different soil depths can be measured quickly.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a kind of soil microorganism detection devices, including sampling component and detection component, sampling component includes collection cylinder and sampling needle tube, collection cylinder one end is closed one end is open, collection cylinder closed end is equipped with through-hole, sampling needle tube one end is fixed with connecting sleeve, connecting sleeve is fixedly sleeved in the closed end of collection cylinder, the through-hole of collection cylinder closed end is communicated with sampling needle tube, detection component includes air guide rod and detection box, air guide rod one end is communicated with detection box, air guide rod far from the outside of detection box one end is fixed with piston rim, piston rim is slidably sleeved in collection cylinder, air guide rod one end pipe is installed with air guide rod check valve close to piston rim, air guide rod check valve one-way air inlet is from piston rim one end towards the one end connected with detection box.

[0007] The utility model further provides for, the air guide rod check valve includes check valve pipe and check valve plate, check valve pipe one end opening one end is closed, the opening end of check valve pipe is towards the one end of piston rim fixedly established with piston, the closed end face of check valve pipe is equipped with through -hole, one side of check valve plate is fixed with slide column, the end of slide column away from check valve plate is fixed with top plate, the outside of slide column between top plate and check valve plate is sleeved with check valve spring, the closed end face of check valve pipe is equipped with a group of air inlet, a group of air inlet circumferential around slide column, check valve plate covers air inlet group.

[0008] The utility model further provides for, the detection box is installed with reagent box, and the reagent box contains calcium hydroxide solution, and the end of the air guide rod away from the piston rim is communicated with the reagent box through the hose, and the hose communicated with the reagent box of the air guide rod is immersed in calcium hydroxide solution, and the top of the reagent box is equipped with air outlet.

[0009] The utility model further provides for, the tube of sampling needle tube is sleeved with the tubule, and one end of the tubule is fixed with the clamping edge, and a group of suction ports are equipped on the board surface of the clamping edge, and the group of suction ports circumferential around the outside of the tubule and are communicated with the through -hole of the closed end of the collection cylinder, and one side of the clamping edge is fixed in the bottom of the connecting sleeve.

[0010] The utility model further provides for, the end of the sampling needle tube away from the connecting sleeve is spirally connected with the sampling needle head, and the sampling through -hole is equipped on the outside of the sampling needle head.

[0011] The utility model further provides for, the end of the tubule away from the clamping edge is installed with the tubule check valve in the tube, and the one -way outlet of the tubule check valve is from the one end of the clamping edge towards the one end of the tubule check valve.

[0012] The utility model further provides for, the bottom end outside of the connecting sleeve is fixed with a group of blocking wing plates in circumferential array.

[0013] The utility model has the advantages of:

[0014] 1, the utility model discloses the piston rim of detection subassembly's air guide rod below is sleeved in the collection cylinder in sampling subassembly, and the sampling needle tube in sampling subassembly absorbs the soil water extract collected into the collection cylinder, and the carbon dioxide produced by the respiration of microorganism in soil water extract is transmitted to reagent box through air guide rod and reacts, and the content of microorganism in soil is judged according to the degree of reaction, so as to realize real -time monitoring, improve the measurement efficiency.

[0015] 2, the utility model discloses the sampling needle tube is inserted into the soil needing measurement, and the sampling needle head is inserted into the corresponding depth according to the depth needed, so that different soil depth can be measured quickly.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of a soil microbial detection device.

[0019] Figure 2 This is a breakdown diagram of the detection component.

[0020] Figure 3 This is a side sectional view of the inspection component.

[0021] Figure 4 This is a schematic diagram of the decomposed sampling component.

[0022] Figure 5 This is a side sectional view of the sampling component.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1-Sampling assembly, 101-Collection tube, 102-Sampling needle, 102a-Connecting sleeve, 102a-1-Baffle plate, 102b-Fine tube, 102b-1-Clamping edge, 102b-2-Aspiration port, 102b-3-Fine tube one-way valve, 102c-Sampling needle, 102c-1-Sampling through hole, 2-Detection assembly, 201-Guide rod, 201a-Piston edge, 201b-Guide rod one-way valve, 201b-1-One-way valve tube, 201b-2-One-way valve plate, 201b-3-Sliding column, 201b-4-Top plate, 201b-5-One-way valve spring, 201b-6-Air inlet, 202-Detection box, 202a-Reagent kit, 202a-1-Air outlet. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] Please see Figures 1 to 5The utility model discloses a kind of soil microorganism detection devices, including sampling assembly 1 and detection component 2, sampling assembly 1 includes collection cylinder 101 and sampling needle tube 102, detection component 2 includes air guide rod 201 and detection box 202, by the piston rim 201a of air guide rod 201 below detection component 2 is sleeved in collection cylinder 101 in sampling assembly 1, sampling needle tube 102 in sampling assembly 1 absorbs the soil water extract collected in collection cylinder 101, carbon dioxide generated by microbial respiration in soil water extract is transmitted to reagent box 202a by air guide rod 201 and reacts, according to the degree of reaction, the content of microorganism in soil is judged, to realize real-time monitoring, improve measurement efficiency.

[0028] Specifically, the collection cylinder 101 is closed at one end and open at the other end. The closed end of the collection cylinder 101 is provided with a through hole. The sampling needle tube 102 is fixedly provided with a connecting sleeve 102a at one end. The connecting sleeve 102a is fixedly sleeved on the closed end of the collection cylinder 101. The through hole of the closed end of the collection cylinder 101 is in communication with the sampling needle tube 102. One end of the air guide rod 201 is in communication with the detection box 202. A piston rim 201a is fixedly arranged on the outer side of the end of the air guide rod 201 away from the detection box 202. The piston rim 201a is slidably sleeved in the collection cylinder 101. A one-way valve 201b of the air guide rod is installed in the pipe close to the piston rim 201a of the air guide rod 201. The one-way inlet of the one-way valve 201b faces the end of the piston rim 201a connected with the detection box 202.

[0029] Further, the one-way valve 201b of the air guide rod includes a one-way valve pipe 201b-1 and a one-way valve plate 201b-2. One end of the one-way valve pipe 201b-1 is open and the other end is closed. The open end of the one-way valve pipe 201b-1 is fixedly provided with the piston rim 201a at one end of the air guide rod 201. A through hole is formed on the end face of the closed end of the one-way valve pipe 201b-1. A slide column 201b-3 is fixedly arranged on one side of the one-way valve plate 201b-2. A top plate 201b-4 is fixedly arranged on the end of the slide column 201b-3 away from the one-way valve plate 201b-2. A one-way valve spring 201b-5 is sleeved on the outer side of the slide column 201b-3 between the one-way valve plate 201b-2 and the top plate 201b-4. A group of air inlet holes 201b-6 are formed on the closed end face of the one-way valve pipe 201b-1. The group of air inlet holes 201b-6 circumferentially surround the slide column 201b-3. The one-way valve plate 201b-2 covers the group of air inlet holes 201b-6. When the soil water extract is sucked into the collection cylinder 101, the one-way valve plate 201b-2 seals the air inlet holes 201b-6 under the pressure of the one-way valve spring 201b-5.

[0030] Further, the detection box 202 is internally provided with a reagent box 202a, the reagent box 202a contains calcium hydroxide solution, the end of the air guide rod 201 away from the piston edge 201a is communicated with the reagent box 202a through a hose, the hose communicated with the reagent box 202a is immersed in the calcium hydroxide solution, the top of the reagent box 202a is provided with an air outlet hole 202a-1, the carbon dioxide produced by the respiration of the microorganism in the soil water extract in the collecting cylinder 101 is introduced into the calcium hydroxide solution in the reagent box 202a through the air guide rod 201 and the hose, so that the solution produces white precipitate, and the content of the microorganism in the soil is determined by observing the reaction speed and effect.

[0031] The operation process of the embodiment is as follows:

[0032] The sampling needle tube 102 is inserted into the soil to be measured, sterile water is poured into the collecting cylinder 101, the sterile water is infiltrated into the soil from the sampling needle tube 102, the air guide rod 201 is pulled upwards to make the piston edge 201a upwards, so that the soil water extract soaked in the soil is sucked into the collecting cylinder 101 from the sampling needle tube 102, the microorganism in the soil water extract is in the collecting cylinder 101, the air guide rod 201 transmits the carbon dioxide produced by the respiration of the microorganism in the soil water extract to the reagent box 202a and reacts with the calcium hydroxide solution, and the content of the microorganism in the soil is determined according to the speed and effect of the reaction to produce precipitate.

[0033] Embodiment 2

[0034] Please refer to Figures 1 to 5 On the basis of the embodiment 1, the sampling assembly 1 further includes a thin tube 102b, by inserting the sampling needle tube 102 into the soil to be measured, the sampling needle head 102c is inserted into the corresponding depth according to the required depth, so that the different soil depths can be measured quickly.

[0035] Specifically, the thin tube 102b is sleeved in the tube of the sampling needle tube 102, one end of the thin tube 102b is fixedly provided with a clamping edge 102b-1, a group of suction ports 102b-2 are formed on the plate surface of the clamping edge 102b-1, the group of suction ports 102b-2 circumferentially surround the outer side of the thin tube 102b and are communicated with the through hole of the closed end of the collecting cylinder 101, and one side of the clamping edge 102b-1 is fixedly arranged at the bottom of the connecting sleeve 102a.

[0036] Further, the sampling needle tube 102 is spirally connected with the sampling needle head 102c at the end away from the connecting sleeve 102a, a sampling through hole 102c-1 is formed on the outer circumferential body of the sampling needle head 102c, and the soil water extract is sucked into the sampling through hole 102c-1.

[0037] Further, the tubular 102b is internally provided with a tubular one-way valve 102b-3 at one end away from the clamping rim 102b-1, and the one-way outlet of the tubular one-way valve 102b-3 is directed from the one end of the clamping rim 102b-1 to the one end of the tubular one-way valve 102b-3. When the sterile water is flowing into the soil, the sterile water can flow down from the inside of the sampling needle tube 102 and the tubular 102b, and when the soil water extract is being sucked, the soil water extract can only be sucked from the inside of the tube wall between the sampling needle tube 102 and the tubular 102b due to the blockage of the tubular one-way valve 102b-3, and the liquid column with a smaller horizontal cross-sectional area is more labor-saving when being sucked.

[0038] Further, a group of blocking wing plates 102a-1 is fixedly arranged on the outer side of the bottom end of the connecting sleeve 102a, facilitating the pulling out of the sampling needle tube 102.

[0039] The operation process of the embodiment is as follows:

[0040] The sterile water in the collecting cylinder 101 flows into the soil from the inside of the tubular 102b and the sampling needle tube 102 to soak the soil, so that the microorganisms in the soil are mixed into the sterile water to form the soil water extract, and the hand-pulled gas guide rod 201 sucks the soil water extract into the collecting cylinder 101 through the piston rim 201a, so as to facilitate the measurement of the detection assembly.

[0041] In the description of the specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical application of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A soil microorganism detection device comprising a sampling assembly (1) and a detection assembly (2), characterized in that: The sampling assembly (1) comprises a collection cylinder (101) and a sampling needle tube (102), one end of the collection cylinder (101) is closed and the other end is open, a through hole is formed in the closed end of the collection cylinder (101), and the sampling needle tube (102) is fixedly provided with a connecting sleeve (102a) at one end, the connecting sleeve (102a) is fixedly sleeved on the closed end of the collection cylinder (101), the through hole in the closed end of the collection cylinder (101) is communicated with the sampling needle tube (102), the detection assembly (2) comprises a gas guide rod (201) and a detection box (202), one end of the gas guide rod (201) is communicated with the detection box (202), a piston rim (201a) is fixedly arranged on the outer side of the end of the gas guide rod (201) away from the detection box (202), the piston rim (201a) is slidably sleeved in the collection cylinder (101), and a gas guide rod one-way valve (201b) is installed in the pipe of the end of the gas guide rod (201) close to the piston rim (201a), and the one-way air inlet of the gas guide rod one-way valve (201b) is from the end of the piston rim (201a) to the end connected with the detection box (202).

2. The soil microorganism detection device according to claim 1, wherein: The gas guide rod one-way valve (201b) comprises a one-way valve pipe (201b-1) and a one-way valve plate (201b-2), one end of the one-way valve pipe (201b-1) is open and the other end is closed, the open end of the one-way valve pipe (201b-1) is fixedly provided with the end of the piston rim (201a) away from the gas guide rod (201), a through hole is formed in the end face of the closed end of the one-way valve pipe (201b-1), a slide column (201b-3) is fixedly arranged on one side of the one-way valve plate (201b-2), a top plate (201b-4) is fixedly arranged on the end of the slide column (201b-3) away from the one-way valve plate (201b-2), a one-way valve spring (201b-5) is sleeved on the outer side of the slide column (201b-3) between the top plate (201b-4) and the one-way valve plate (201b-2), a group of air inlet holes (201b-6) are formed in the end face of the closed end of the one-way valve pipe (201b-1), and the group of air inlet holes (201b-6) are circumferentially arranged around the slide column (201b-3). The one-way valve plate (201b-2) covers the group of air inlet holes (201b-6).

3. The soil microorganism detection device of claim 1, wherein: The detection box (202) is provided with a reagent box (202a) installed therein, the reagent box (202a) contains calcium hydroxide solution, the end of the gas guide rod (201) away from the piston rim (201a) is communicated with the reagent box (202a) through a hose, the hose communicated with the reagent box (202a) is immersed in the calcium hydroxide solution, and an air outlet hole (202a-1) is formed in the top of the reagent box (202a).

4. The soil microorganism detection device according to claim 3, wherein: The inner tube of the sampling needle tube (102) is sleeved with a thin tube (102b), one end of the thin tube (102b) is fixedly provided with a clamping edge (102b-1), a group of suction ports (102b-2) are formed on the plate surface of the clamping edge (102b-1), a group of the suction ports (102b-2) circumferentially surround the outer side of the thin tube (102b) and communicate with the through hole of the closed end of the collecting cylinder (101), and one side of the clamping edge (102b-1) is fixedly arranged at the bottom of the connecting sleeve (102a).

5. The soil microorganism detection device of claim 4, wherein: The end of the sampling needle tube (102) away from the connecting sleeve (102a) is spirally connected with a sampling needle head (102c), and a sampling through hole (102c-1) is formed on the outer side of the sampling needle head (102c).

6. The soil microorganism detection device according to claim 5, wherein: The end of the thin tube (102b) away from the clamping edge (102b-1) is internally installed with a thin tube one-way valve (102b-3), and the one-way outlet of the thin tube one-way valve (102b-3) is from one end of the clamping edge (102b-1) to one end of the thin tube one-way valve (102b-3).

7. The soil microorganism detection device according to claim 6, wherein: A group of blocking wing plates (102a-1) are fixedly arranged on the outer side of the bottom end of the connecting sleeve (102a).

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