A garden soil sampling device

Abstract

The present invention relates to the technical field of soil sampling, and specifically provides a garden soil sampling device, comprising a sampling trolley, on which a sampling tube and a detection component are arranged, the detection component comprising a geological radar and an odor sensor, the geological radar is used to detect the size of bird carcasses in the soil, and the odor sensor is used to detect the degree of decomposition of the bird carcasses, by arranging the detection component to detect whether each sampling area contains bird carcasses, and predicting the affected range according to the size and decomposition degree of the bird carcasses, so as to change the sampling point in advance, avoid sampling soil samples affected by the bird carcasses, and make the sample detection result more realistic.

Description

Technical Field

[0001] The invention relates to the technical field of soil sampling, in particular to a garden soil sampling device. Background Art

[0002] The sampling device is used to collect representative samples for analysis and testing. The design and function of the sampling device vary according to different application fields and sample types. For example, a garden soil sampling device is used to collect representative soil samples for various soil analyses and tests. For example, Chinese patent CN118032412A discloses a soil detection sampling process for garden maintenance. This solution sets up a soil entry component to guide the soil to enter in a specific direction, and then obtains samples through the soil extraction component, so that the equipment can sample soil at different depths.

[0003] However, in the above scheme, the sampling area is not tested when the soil sampling component is taking samples. If there are some bird carcasses in the soil, the bird carcasses will affect the chemical and physical properties of the nearby soil when they decompose. Sampling and testing near this area will cause the test results to not accurately reflect the actual situation of the soil. Summary of the invention

[0004] Based on this, it is necessary to provide a garden soil sampling device to address the problem that the current sampling device cannot accurately reflect the actual soil situation during sampling and testing.

[0005] The above purpose is achieved through the following technical solutions:

[0006] A garden soil sampling device, comprising:

[0007] A sampling trolley, wherein the sampling trolley is provided with a sampling tube, and the sampling tube is used for sampling;

[0008] A detection component, the detection component is arranged on the sampling vehicle, and the detection component is used to detect bird carcasses in the soil;

[0009] A controller, wherein the controller controls the sampling trolley and the sampling tube;

[0010] The detection component can obtain information parameters of bird carcasses in the soil. If the information parameters belong to the first target type, the controller controls the sampling vehicle to move to the first area for sampling;

[0011] If the information parameter belongs to the second target type, the controller controls the sampling vehicle to move to the second area for sampling;

[0012] If the information parameter belongs to the third target type, the controller controls the sampling vehicle to move to the third area for sampling;

[0013] If the information parameter belongs to the fourth target type, the controller controls the sampling vehicle to move to the fourth area for sampling;

[0014] The information parameters include at least the size of the bird carcass and the degree of decomposition of the bird carcass.

[0015] Further, if the information parameter belongs to the first target type, the controller controls the sampling vehicle to move to the first area for sampling, including the following steps:

[0016] The size and decomposition degree of the bird carcass are obtained. If the size of the bird carcass is smaller than a first preset value and the decomposition degree of the bird carcass is smaller than a second preset value, the first area is an area 0.2-0.3 m outward from the bird carcass area as the center.

[0017] Further, if the information parameter belongs to the second target type, the controller controls the sampling vehicle to move to the second area for sampling, including the following steps:

[0018] The size and decomposition degree of the bird carcass are obtained. If the size of the bird carcass is smaller than a first preset value and the decomposition degree of the bird carcass is greater than a second preset value, the second area is formed by spreading 0.3-0.4 m outward from the bird carcass area as the center.

[0019] Further, if the information parameter belongs to the third target type, the controller controls the sampling vehicle to move to the third area for sampling, including the following steps:

[0020] The size and decomposition degree of the bird carcass are obtained. If the size of the bird carcass is larger than a first preset value and the decomposition degree of the bird carcass is smaller than a second preset value, a third area is formed by spreading 0.5-0.6 m outward from the bird carcass area as the center.

[0021] Further, if the information parameter belongs to the fourth target type, the controller controls the sampling vehicle to move to the fourth area for sampling, including the following steps:

[0022] The size and decomposition degree of the bird carcass are obtained. If the size of the bird carcass is greater than a first preset value and the decomposition degree of the bird carcass is greater than a second preset value, the first area is an area 0.6-0.7 m outward from the bird carcass area as the center.

[0023] Furthermore, the detection component includes a geological radar, an odor sensor and a wind direction sensor. The geological radar is used to detect bird carcasses in the soil, the odor sensor is used to ensure the bird carcasses detected by the geological radar and detect their degree of decomposition, and the wind direction sensor is used to detect the wind direction in the sampling area.

[0024] Furthermore, after the geological radar detects the bird carcass in the soil, the steps of using the odor sensor to determine the bird carcass detected by the geological radar are as follows:

[0025] Step S100: obtaining wind direction information and odor information in the sampling area;

[0026] Step S200: If there is no wind and no odor information in the sampling area, the geological radar detection is wrong; if there is no wind and there is a smell of bird carcasses in the sampling area, the geological radar detection is correct;

[0027] Step S300: If there is wind in the sampling area and there is no odor information, the first moving mode is executed. If there is still no odor information, the geological radar detection is wrong; if there is odor information, the geological radar detection is correct;

[0028] Step S400: If there is wind and odor information in the sampling area, the second moving mode is executed. If the concentration of the odor information decreases first and then increases, the geological radar detection is correct; if the concentration of the odor information increases, the geological radar detection is wrong;

[0029] Among them, the odor information at least includes VOCs gas.

[0030] Furthermore, in the step S300, the first moving mode is that the sampling vehicle continuously acquires odor information while moving along the wind direction to the edge of the sampling area.

[0031] Furthermore, the second moving mode in step S400 is that the sampling vehicle continuously acquires odor information while moving in an upwind direction to the outside of the sampling area.

[0032] Furthermore, the sampling trolley is provided with a windshield.

[0033] The beneficial effects of the present invention are:

[0034] The present invention sets a detection component to detect whether each sampling area contains bird carcasses, and predicts the affected range according to the size and decomposition degree of the bird carcasses, so as to change the sampling points in advance and avoid sampling soil samples affected by bird carcasses, thereby making the sample detection results more realistic.

[0035] The present invention provides a windshield so that the odor sensor can reduce interference from other factors when detecting odor concentration. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 A schematic diagram of the structure of a garden soil sampling device provided by one embodiment of the present invention;

[0037] Figure 2The following is a bar graph comparing the content of various nutrients in soils containing bird carcasses and soils without bird carcasses.

[0038] Figure 3 Line graph of the impact radius of bird carcasses on soil for different target types;

[0039] Figure 4 This is a bar graph comparing the pH values ​​of the four experimental groups;

[0040] Figure 5 The figure is a bar chart comparing the nutrient contents of the four experimental groups.

[0041] in:

[0042] 100. sampling trolley; 110. sampling tube; 120. controller;

[0043] 200, detection component; 210, geological radar; 220, wind direction sensor; 230, odor sensor;

[0044] 300. Windshield. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0046] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in the present invention, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, 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 cannot be understood as a limitation to the present invention.

[0047] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0048] Refer to the following Figure 1-Figure 5 To describe a garden soil sampling device provided by the present invention.

[0049] A garden soil sampling device is suitable for sampling and testing of soil, and is particularly suitable for sampling of garden soil. The device comprises a sampling trolley 100. The sampling trolley 100 is provided with a sampling tube 110 and a detection component 200. The sampling tube 110 is used for sampling. The sampling trolley 100 is also provided with a controller 120. The controller 120 controls the sampling trolley 100 to move to a sampling area (the specific sampling point is the midpoint of each sampling area) in the garden according to a set path (due to the large area of ​​the garden, sampling is performed in a grid area manner, each grid size is 2m×2m, and the set path refers to the path required for the sampling trolley 100 to move to each sampling area in turn) and then start sampling. The purpose of detecting the garden soil is to understand and manage the health status of the soil, thereby optimizing the plant growth environment, ensuring ecological balance, and improving the landscape and environmental quality of the garden.

[0050] When obtaining soil samples, the accuracy of the soil samples is very important. If the sampled soil samples cannot truly reflect the various parameters of the soil, it is easy to cause unsatisfactory optimization results when optimizing the plant growth environment later. Therefore, it is necessary to accurately obtain soil samples. When obtaining soil samples, it is necessary to exclude some external factors, such as bird carcasses in the soil. When bird carcasses decompose in the soil, they will affect the surrounding soil. Therefore, it is necessary to avoid these factors and set a detection component 200 to detect whether there are bird carcasses in the sampling area. If the detection component 200 detects a bird carcass, the sampling trolley 100 will drive the sampling tube 110 and the detection component 200 to move in the sampling area to avoid the influence of the bird carcass.

[0051] It is understandable that some birds generally live in trees. In extreme weather, the habitats of birds are destroyed. Some young birds may lose the protection of their female birds in extreme weather, increasing the chance of death; or they may die in natural predation relationships. For example, owls and eagles will prey on birds in gardens, causing the death of birds, or it may be due to normal birth, aging, illness and death. The dead birds fall on the soil surface and are gradually buried by natural factors. For example, wind and rain will disturb the soil, and the soil will gradually wrap the dead birds. Alternatively, fallen leaves or other plant debris will accumulate on the dead birds, gradually burying them in the soil. The dead birds decompose in the soil and produce a large amount of substances, which will infiltrate and diffuse in the soil. For example, organic acids will cause the pH value of the soil to drop. At the same time, the substances produced by the decomposition of the dead birds will provide nutrients to the soil, increasing the nutrient content of the soil. The body fluids of the dead birds will infiltrate into the soil, increasing the water content of the soil. When the sampling area is near the dead birds, the samples obtained have a higher water content, a higher nutrient content, and a lower pH value. The test results cannot accurately reflect the true condition of the soil.

[0052] like Figure 2 As shown in , a control experiment was used. One group of experimental soil did not contain bird carcasses, while another group of soil contained bird carcasses. After experimental comparison, it was found that the nutrient content in the soil containing bird carcasses was higher than that in the soil without bird carcasses.

[0053] Specifically in this embodiment, the detection component 200 is used to determine whether there are bird carcasses in the sampling area. The detection component 200 can obtain information parameters of the bird carcasses in the soil, and the information parameters include the size and decomposition degree of the bird carcasses.

[0054] Among them, the detection component 200 includes a geological radar 210 and an odor sensor 230. The geological radar 210 is used to scan bird carcasses in the sampling area. Specifically, when the geological radar 210 is working, the transmitter of the geological radar 210 emits high-frequency electromagnetic waves. The high-frequency electromagnetic waves propagate in the soil. When encountering different media, they will produce reflection, refraction and scattering. For example, when encountering a bird carcass, reflection is produced. The reflected electromagnetic waves are received by the receiver. The receiver converts the received electromagnetic waves into electrical signals to generate time intensity data. After further processing, these data form a radar image or a profile diagram to show the shape and size of the bird carcass in the soil. At the same time, the odor sensor 230 can detect the decomposition time of the bird carcass according to the odor, and can further determine the decomposition degree of the bird carcass. Specifically, the detection principle of the odor sensor 230 is as follows: when the bird carcass decomposes, VOCs are generated, including hydrogen sulfide, ammonia, methyl mercaptan, dimethyl sulfide, phenol, etc. These gases have strong and foul odors, and the detection principle of the odor sensor 230 is to identify these specific gases and further determine the decomposition time of the bird carcass according to the concentration of the gas.

[0055] The odor sensor 230 may be a metal oxide semiconductor sensor (MOS) or an electrochemical sensor or other components capable of detecting VOCs gas, which are not specifically limited here.

[0056] If the information parameter belongs to the first target type, it means that the size of the bird carcass obtained by the geological radar 210 is smaller than the first preset value (the first preset value is 20 cm), such as small birds such as sparrows and swallows, and the decomposition degree of the bird carcass is less than the second preset value (the second preset value is the active corruption stage, which is the active period of decomposition of the bird carcass. Before this stage, the decomposition degree of the bird carcass is low, and after this stage, the decomposition degree is high). Specifically, the decomposition degree of the bird carcass is judged by obtaining the VOCs gas concentration generated by the decomposition of the bird carcass at different stages. There are fresh stages before the active corruption stage. and expansion stage, the VOCs gases generated in the two stages include ammonia, hydrogen sulfide, a small amount of short-chain fatty acids, methyl mercaptan, dimethyl sulfide, amines and ketones. If the odor sensor 230 obtains a high concentration of the above gases, it means that the degree of decomposition of the bird carcass is less than the second preset value. Since the obtained bird carcasses are small in size and low in degree of decomposition, the soil area affected by the bird carcasses at this time is small. The area outside the area with a radius of 0.2-0.3m and located within the sampling area with the place where the bird carcasses are found as the center of the circle and the area within the sampling area is taken as the first area. When sampling, sampling can be done in the first area to avoid being affected by the bird carcasses.

[0057] Among them, the parameters of the geological radar 210 are adjusted before use, and the frequency of the geological radar 210 is increased, so that the resolution of the geological radar 210 in detecting shallow soil is improved, and the accuracy of detecting the size of bird carcasses is improved. It should be noted that bird carcasses are generally located on the surface of the soil. After increasing the frequency of the geological radar 210, the higher resolution can more accurately obtain the size of the bird carcasses.

[0058] In addition, the odor sensor 230 also needs to be calibrated for accuracy before use, and it can start detecting odors after calibration with a gas of known concentration.

[0059] It is understandable that bird carcasses release various nutrients, such as nitrogen, phosphorus, potassium, calcium, magnesium, etc., during the decomposition process, which makes the nitrogen, phosphorus, potassium, calcium, magnesium and other nutrient content in the soil near the bird carcasses relatively high. At the same time, the organic matter produced by the decomposition of bird carcasses, such as protein, fat and carbohydrates, makes the soil organic matter content in this area relatively high. As the decomposition time of bird carcasses increases, the nutrients and organic matter produced will diffuse around. Therefore, the degree of decomposition of bird carcasses is determined through testing to predict the range of diffusion. Generally speaking, in the early stages of decomposition of bird carcasses, various nutrients have just begun to infiltrate the soil, and these nutrients have just begun to diffuse in the soil. The range of diffusion is still relatively small. Specifically, bird carcasses of different sizes are buried in the soil surface, and samples are taken at different degrees of decomposition. When sampling, samples are taken at different distances from the bird carcasses. After testing, they are compared with the control group. For specific results, please refer to Figure 3 As shown, Figure 3 The influence radius of bird carcasses of different target types on the soil is shown in the figure. Therefore, the first target type is sampled in an area 0.2-0.3m outside the range of the bird carcasses, thereby effectively avoiding the problem of inaccurate soil detection results caused by the decomposition of bird carcasses affecting the soil nutrient content.

[0060] If the information parameter belongs to the second target type, it means that the size of the bird carcass obtained by the geological radar 210 is smaller than the first preset value and the degree of decomposition of the bird carcass is greater than the second preset value according to the concentration of the odor information obtained by the odor sensor 230. Among them, the decomposition stage of the bird carcass is located after the active corruption stage, which is the advanced corruption stage and the drying stage. The VOCs gases generated in these two stages include hydrogen sulfide, dimethyl sulfide, amines, short-chain fatty acids, indole, volatile fatty acids and amines. If the odor sensor 230 obtains a high concentration of the above gases, it means that the degree of decomposition of the bird carcass is greater than the second preset value. Since the bird carcass information is small in size and high in decomposition, the organic matter and nutrients produced by the decomposition of the bird carcass diffuse to a greater extent. The impact range of the bird carcass is larger than that of the carcass with a lower degree of decomposition. At this time, the second area is taken as the center of the circle with a length of 0.3-0.4m as the radius and within the original sampling area. Sampling can be performed in the second area.

[0061] If the information parameter belongs to the third target type, it means that the size of the bird carcass obtained by the geological radar 210 is larger than the first preset value, the size is larger than 20cm, such as medium-sized birds such as pigeons and magpies, and the degree of decomposition of the bird carcass is less than the second preset value, that is, when the odor sensor 230 obtains the gas produced in the stage before the active decay stage, the bird carcass is slightly larger in size, and the decomposition of the bird carcass produces more nutrients and organic matter. Compared with bird carcasses with the same degree of decomposition, the larger the size, the larger the area of ​​the soil affected. Therefore, with the location where the bird carcass is found as the center of the circle, the area outside the radius of 0.5-0.6m and within the sampling area is taken as the third area, and the sampling cart 100 can take samples in this area.

[0062] If the information parameter belongs to the fourth target type, it means that the bird carcasses obtained by the geological radar 210 are greater than the first preset value and the degree of decomposition of the bird carcasses is greater than the second preset value. At this time, the bird carcasses have a great impact on the soil area and it is necessary to move further away from the bird carcasses. The area with the bird carcasses as the center and a radius of 0.6-0.7 meters is taken as the fourth area within the sampling area. The sampling cart 100 can be moved to this area for sampling.

[0063] The present invention sets a detection component 200 to detect whether each sampling area contains bird carcasses, and predicts the scope of influence according to the size and decomposition degree of the bird carcasses, so as to change the sampling points in advance to avoid the area affecting the soil detection result.

[0064] It should be noted that if there are some stones or other materials in the soil arranged in the same shape as a bird carcass, the geological radar 210 cannot determine whether it is a bird carcass. At this time, the odor sensor 230 comes into play. The odor sensor 230 can determine whether it is a bird carcass by detecting whether there is VOCs gas in the area. Of course, the use of the odor sensor 230 for detecting bird carcasses requires eliminating the influencing factors in the environment. If there is a gas in the environment that affects the detection, the influence of the gas should be avoided.

[0065] The detection component 200 also includes a wind direction sensor 220, which can detect whether there is wind in the sampling area and can detect the wind direction. The wind direction sensor 220 in this embodiment can be a mechanical wind vane, or an ultrasonic wind direction sensor, etc., which can detect wind direction. No specific limitation is made here.

[0066] Four experimental groups were set up to verify whether the samples obtained by the garden soil sampling device of the present invention are closer to the real results, as follows:

[0067] The first group is garden soil containing bird carcasses, and the garden soil sampling device of the present invention is used; the second group is a control group, the soil contains bird carcasses, but a general sampler is used; the third group does not contain bird carcasses, and the garden soil sampling device of the present invention is used; the fourth group is a control group, the soil does not contain bird carcasses, and a general sampler is used. The only difference between the above four experimental groups is whether or not they contain bird carcasses, and other variables (such as ambient temperature, the size of the divided grid, etc.) are kept consistent as much as possible. Taking the detection of soil nutrient content and pH value as an example, in order to ensure the accuracy of the experiment, the method of taking the average value of multiple tests is adopted. The results of the four groups of experiments are as follows: Figure 4 and Figure 5 shown.

[0068] It can be concluded from the experimental results that using a garden soil sampling device of the present invention to take samples can effectively avoid sampling bird carcasses affected by bird carcasses, thereby making the results more accurate.

[0069] How to determine whether the smell of bird carcasses is coming from this area, the specific steps are as follows:

[0070] Step S100: obtaining wind direction information and odor information in a sample area;

[0071] Step S200: If there is no wind and no odor information in the sampling area, the geological radar 210 detects incorrectly; if there is no wind and odor information in the sampling area, the geological radar 210 detects correctly;

[0072] Among them, the odor information includes VOCs gas, and the wind direction information includes whether there is wind and the direction of the wind. When there is no wind in the sampling area, if the odor sensor 230 obtains the odor information, it means that the substance similar to the bird carcass detected in the area is determined to be the bird carcass of a bird, and the geological radar 210 detection is correct; if the odor sensor 230 does not obtain the odor information, it means that the substance of the bird carcass detected is not the bird carcass of a bird, and the geological radar 210 detection is wrong; because the gas can diffuse from the soil to the air, and there is no wind in the sampling area at this time, the gas information comes from the sampling area, that is, the odor information is emitted from the substance similar to the bird carcass detected by the geological radar 210, which proves that the substance is the bird carcass of a bird, thereby avoiding misjudgment.

[0073] Step S300: If there is wind in the sampling area and there is no odor information, the first moving mode is executed. If there is still no odor information, the geological radar 210 detects incorrectly; if there is odor information, the geological radar 210 detects correctly;

[0074] Among them, if the wind direction sensor 220 detects that there is wind in the sampling area and determines the wind direction, and the odor sensor 230 does not obtain the odor information, the first moving mode is executed. The first moving mode means that the sampling cart 100 moves along the wind direction to the edge of the sampling area. If the odor sensor 230 still cannot obtain the odor information, it can be said that the substance is not a bird carcass, that is, the geological radar 210 has detected an error. It can be understood that in the case of wind, if the odor sensor 230 is facing the wind, the odor information emitted by the bird carcass will be blown away by the wind, and the odor information moves along the wind direction. If it is defined that if the odor information is not detected at this time, it is inaccurate to judge that the substance is not a bird carcass, so the sampling cart 100 is driven to move along the wind direction to the edge of the sampling area to detect the odor information on the path. If the odor information is not detected, it can be determined that the substance is not a bird carcass, which means that the geological radar 210 has detected an error; if the odor information on the path is detected, it means that the substance is determined to be a bird carcass, which means that the geological radar 210 has detected correctly.

[0075] Step S400: If there is wind and odor information in the sampling area, the second moving mode is executed. If the concentration of the odor information decreases first and then increases, the geological radar 210 detects correctly; if the concentration of the odor information increases, the geological radar 210 detects incorrectly;

[0076] There is wind in the sampling area and the wind direction is determined. At the same time, the odor sensor 230 detects odor information, but the odor information may be the odor information of bird carcasses outside the sampling area. Therefore, it is necessary to eliminate the interference of external information and execute the second moving mode, that is, the sampling cart 100 moves against the wind to the outside of the sampling area. If the concentration of the odor information detected by the odor sensor 230 during the movement first decreases and then increases, it means that there are bird carcasses in the area outside the area and against the wind, and the geological radar 210 has detected correctly; if during the movement, the odor information obtained by the odor sensor 230 does not show a concentration that first decreases and then increases, but directly increases, it means that the detection of the geological radar 210 in the sampling area is wrong, and there are no bird carcasses in the sampling area.

[0077] It should be noted that, when the sampling cart 100 moves against the wind to the outside of the sampling area, the concentration of the odor information obtained by the odor sensor 230 decreases first, indicating that the odor obtained lacks the odor of the bird carcasses in the sampling area. The reason for the gradual increase is that it is closer to the bird carcasses outside the sampling area, thereby increasing the concentration of the odor information obtained by the odor sensor 230.

[0078] If the odor sensor 230 cannot obtain odor information during the movement, it means that there is no bird carcass outside the sampling area, and the sampling area is not affected by the bird carcasses outside the sampling area.

[0079] Through the above steps, it can be confirmed whether the substance similar to bird carcasses detected by the geological radar 210 is actually a bird carcass, thereby avoiding misjudgment and further improving the accuracy of the sample.

[0080] In a further embodiment, the garden soil sampling device also includes a windshield 300. In a windy environment, when odor information outside the sampling area is detected, the sampling cart 100 changes its parking angle so that the windshield 300 blocks the wind from blowing towards the bird carcass, thereby preventing the odor information outside the sampling area from affecting the judgment of the odor information concentration within the sampling area.

[0081] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0082] The above-described embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A garden soil sampling device, characterized in that: include: A sampling trolley, wherein the sampling trolley is provided with a sampling tube, and the sampling tube is used for sampling; A detection component, the detection component is arranged on the sampling vehicle, and the detection component is used to detect bird carcasses in the soil; A controller, wherein the controller controls the sampling trolley and the sampling tube; The detection component can obtain information parameters of bird carcasses in the soil. If the information parameters belong to the first target type, the controller controls the sampling vehicle to move to the first area for sampling; If the information parameter belongs to the second target type, the controller controls the sampling vehicle to move to the second area for sampling; If the information parameter belongs to the third target type, the controller controls the sampling vehicle to move to the third area for sampling; If the information parameter belongs to the fourth target type, the controller controls the sampling vehicle to move to the fourth area for sampling; Wherein, the information parameters include at least the size of the bird carcass and the degree of decomposition of the bird carcass; If the information parameter belongs to the first target type, the controller controls the sampling vehicle to move to the first area for sampling, including the following steps: The size and decomposition degree of the bird carcass are obtained. If the size of the bird carcass is smaller than a first preset value and the decomposition degree of the bird carcass is smaller than a second preset value, the area centered on the bird carcass and extending outward by 0.2-0.3 m is defined as the first area. If the information parameter belongs to the second target type, the controller controls the sampling vehicle to move to the second area for sampling, including the following steps: The size and decomposition degree of the bird carcass are obtained. If the size of the bird carcass is smaller than a first preset value and the decomposition degree of the bird carcass is greater than a second preset value, the second area is formed by spreading 0.3-0.4 m outward from the bird carcass area as the center; If the information parameter belongs to the third target type, the controller controls the sampling vehicle to move to the third area for sampling, including the following steps: The size and decomposition degree of the bird carcass are obtained. If the size of the bird carcass is larger than a first preset value and the decomposition degree of the bird carcass is smaller than a second preset value, a third area is formed with the bird carcass area as the center and spread outward by 0.5-0.6 m; If the information parameter belongs to the fourth target type, the controller controls the sampling vehicle to move to the fourth area for sampling, including the following steps: The size and decomposition degree of the bird carcass are obtained. If the size of the bird carcass is greater than a first preset value and the decomposition degree of the bird carcass is greater than a second preset value, the first area is an area 0.6-0.7 m outward from the bird carcass area as the center.

2. The garden soil sampling device according to claim 1, characterized in that: The detection component includes a geological radar, an odor sensor and a wind direction sensor. The geological radar is used to detect bird carcasses in the soil, the odor sensor is used to ensure the bird carcasses detected by the geological radar and detect their degree of decomposition, and the wind direction sensor is used to detect the wind direction in the sampling area.

3. The garden soil sampling device according to claim 2, characterized in that: After the geological radar detects the bird carcasses in the soil, the steps of using the odor sensor to determine the bird carcasses detected by the geological radar are as follows: Step S100: obtaining wind direction information and odor information in the sampling area; Step S200: If there is no wind and no odor information in the sampling area, the geological radar detection is wrong; if there is no wind and there is a smell of bird carcasses in the sampling area, the geological radar detection is correct; Step S300: If there is wind in the sampling area and there is no odor information, the first moving mode is executed. If there is still no odor information, the geological radar detection is wrong; if there is odor information, the geological radar detection is correct; Step S400: If there is wind and odor information in the sampling area, the second moving mode is executed. If the concentration of the odor information decreases first and then increases, the geological radar detection is correct; if the concentration of the odor information increases, the geological radar detection is wrong; Among them, the odor information at least includes VOCs gas.

4. The garden soil sampling device according to claim 3, characterized in that: The first moving mode in step S300 is that the sampling vehicle continuously acquires odor information while moving along the wind direction to the edge of the sampling area.

5. The garden soil sampling device according to claim 3, characterized in that: The second moving mode in step S400 is that the sampling vehicle continuously acquires odor information during the process of moving in the upwind direction to the outside of the sampling area.

6. The garden soil sampling device according to claim 1, characterized in that: The sampling trolley is provided with a windshield.

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