Device for quantitatively identifying color of soil in field

Abstract

The invention discloses a device for quantitatively identifying soil color in the field. The device comprises a shading barrel, a natural light source simulation mechanism, camera equipment and an electronic colorimetric card mechanism, one end of the shading barrel is open; a soil moisture content monitoring assembly is mounted at the opening; the natural light source simulation mechanism is mounted in the shading barrel; the camera shooting equipment is mounted in the shading barrel and is used for shooting soil photos; the electronic colorimetric card mechanism is mounted on the shading barrel, is electrically connected with the camera equipment, and is used for comparing a shot soil picture with a colorimetric card to identify the color of the soil; wherein the working ends of the natural light source simulation mechanism and the camera shooting equipment face the opening. According to the invention, automatic, efficient and rapid field soil color identification can be realized, artificial sensory chromatic aberration is avoided, the influence of light change on soil color identification is eliminated, the stability and accuracy of a measurement result are ensured, and the identification speed is improved.

Description

Technical Field

[0001] The invention relates to the technical field of soil color recognition, and in particular to a device for quantitatively identifying soil color in the field. Background Art

[0002] In soil science research, soil color is not only an important basis for distinguishing soil types, but also a key indicator for evaluating soil fertility, organic matter content and potential environmental problems. Accurately identifying soil color is of great significance for judging soil health. However, during field surveys, soil color judgments often vary greatly due to human sensory factors and are seriously affected by soil moisture.

[0003] In the existing technology, the traditional soil color identification method is highly dependent on the visual judgment of researchers, which inevitably introduces subjectivity and uncertainty. In addition, the color of the soil is easily affected by ambient light and soil moisture content, resulting in significant differences in color observed under different conditions, which in turn affects the accuracy of soil health assessment. Existing instruments cannot meet the requirements for quantitative determination of soil color during field surveys.

[0004] In order to identify soil color quickly and accurately, a device for quantitatively identifying soil color in the field is proposed. Summary of the invention

[0005] The object of the present invention is to provide a device for quantitatively identifying soil color in the field, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above object, the present invention provides the following solution: The present invention provides a device for quantitatively identifying soil color in the field, comprising:

[0007] A light-shielding and light-proof barrel, wherein one end of the light-shielding and light-proof barrel is set to be open; a soil moisture monitoring component is installed at the open end;

[0008] A natural light source simulation mechanism, wherein the natural light source simulation mechanism is installed in the light-shielding and light-proof barrel;

[0009] A camera device, which is installed in the light-shielding barrel and is used to take photos of the soil;

[0010] An electronic colorimetric card mechanism, which is installed on the light-shielding barrel, is electrically connected to the camera device, and is used to compare the soil photo with the colorimetric card to identify the soil color;

[0011] Wherein, the working ends of the natural light source simulation mechanism and the camera device face the opening.

[0012] According to a device for quantitatively identifying soil color in the field provided by the present invention, the electronic colorimetric card mechanism includes an electronic colorimetric card system, a reading screen and a control system, and the electronic colorimetric card system and the control system are both installed on the inner wall of the light-shielding barrel;

[0013] The reading screen is installed on the outer wall of the light-shielding barrel, and the reading screen, the electronic colorimetric card system, the soil moisture content monitoring component, the natural light source simulation mechanism, and the camera equipment are all electrically connected to the control system.

[0014] According to a device for quantitatively identifying soil color in the field provided by the present invention, the control system includes a control element and a wireless charging module, the control element and the wireless charging module are both installed on the inner wall of the light-shielding barrel, and the reading screen, the electronic colorimetric card system, the soil moisture monitoring component, the natural light source simulation mechanism, the camera device and the wireless charging module are all electrically connected to the control element.

[0015] According to a device for quantitatively identifying soil color in the field provided by the present invention, the natural light source simulation mechanism includes a plurality of simulated natural light source modules electrically connected to the control element, the plurality of simulated natural light source modules are installed at one end of the light-shielding barrel away from the opening, the plurality of simulated natural light source modules are arranged at intervals, and the lighting ends of the simulated natural light source modules are directed toward the opening, and the simulated natural light source modules are equipped with built-in batteries.

[0016] According to a device for quantitatively identifying soil color in the field provided by the present invention, the soil moisture monitoring component includes a soil moisture sensor electrically connected to the control element, the soil moisture sensor is installed on the inner wall of the light-shielding and light-proof barrel, and the detection probe of the soil moisture sensor extends along the opening to the outside of the light-shielding and light-proof barrel.

[0017] According to the device for quantitatively identifying soil color in the field provided by the present invention, the length of the light-shielding and light-proof barrel is 40 cm to 55 cm.

[0018] According to a device for quantitatively identifying soil color in the field provided by the present invention, a sealing end cap is detachably connected to the end of the light-shielding and light-proof barrel away from the opening, an internal thread is provided on the inner wall of the sealing end cap, and an external thread is provided on the outer wall of the end of the light-shielding and light-proof barrel away from the opening, and the internal thread is adapted to match the external thread.

[0019] According to the device for quantitatively identifying soil color in the field provided by the present invention, a handle is installed on the outer wall of the sealing end cover, and a plurality of anti-slip grooves are formed on the handle.

[0020] According to a device for quantitatively identifying soil color in the field provided by the present invention, a support ring is detachably connected to the outer wall of the light-shielding and light-proof barrel, a plurality of guide rods are fixedly connected to the support ring, and the ends of the guide rods away from the support ring are set as pointed ends.

[0021] The present invention discloses the following technical effects:

[0022] The present invention seals and shields the soil to be tested with a light-shielding barrel, and can simulate stable and close-to-natural light lighting conditions in a field environment through a built-in natural light source simulation mechanism, unifying environmental variables dominated by light, thereby eliminating the influence of light changes on soil color recognition, and ensuring the stability and accuracy of the measurement results;

[0023] The present invention can measure the moisture content of the soil in real time through the soil moisture monitoring component, and classify the soil moisture level accordingly, so as to accurately determine the dry state and moist state of the soil, which not only helps to understand the influence of the soil moisture state on the color, but also further improves the accuracy of soil color recognition;

[0024] When the present invention is used, the fresh surface of the soil is peeled off, and the open end of the light-shielding bucket is directly buckled on the fresh surface of the soil for testing. The electronic colorimetric card mechanism is combined with a camera device to realize automatic collection of field soil photos, and automatic comparison of color, color value and chromaticity of different soil moisture and the standard colorimetric card under the light source condition, thereby realizing automatic and efficient rapid recognition of field soil color, which not only avoids human sensory color difference, but also greatly improves the recognition speed and accuracy, making the soil color data more objective and reliable, and can more accurately evaluate the soil health status;

[0025] When using the present invention, the user only needs to peel off the fresh surface of the soil and directly buckle the device vertically on the soil to conduct the test, which greatly reduces the workload and complexity of field investigations and is simple and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a structural schematic diagram of the present invention;

[0028] Figure 2 It is a schematic diagram of the use of the present invention.

[0029] Among them, 1. Light-shielding barrel; 2. Open mouth; 3. Camera equipment; 4. Electronic colorimetric card system; 5. Reading screen; 6. Control system; 7. Simulated natural light source module; 8. Soil moisture sensor; 9. Detection probe; 10. Sealed end cap; 11. Handle; 12. Anti-slip groove; 13. Support ring; 14. Guide rod; 15. Tip. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Reference Figure 1-Figure 2 The present invention provides a device for quantitatively identifying soil color in the field, comprising:

[0033] A light-shielding and light-proof barrel 1, one end of which is set as an opening 2; a soil moisture monitoring component is installed at the opening 2;

[0034] A natural light source simulation mechanism, the natural light source simulation mechanism is installed in the light-shielding and light-proof barrel 1;

[0035] A camera device 3, which is installed in the light-shielding barrel 1 and is used to take photos of the soil;

[0036] An electronic colorimetric card mechanism, which is installed on the light-shielding barrel 1 and is electrically connected to the camera device 3. The electronic colorimetric card mechanism is used to compare the soil photo with the colorimetric card to identify the soil color;

[0037] Wherein, the working ends of the natural light source simulation mechanism and the camera device 3 face the opening 2;

[0038] In this way, the present invention seals and shields the soil to be tested with a light-shielding barrel 1, and through a built-in natural light source simulation mechanism, can simulate stable and close to natural light lighting conditions in the field environment, unify the environmental variables dominated by light, thereby eliminating the influence of light changes on soil color recognition, and ensuring the stability and accuracy of the measurement results;

[0039] The present invention can measure the moisture content of the soil in real time through the soil moisture monitoring component, and classify the soil moisture level accordingly, so as to accurately determine the dry state and moist state of the soil, which not only helps to understand the influence of the soil moisture state on the color, but also further improves the accuracy of soil color recognition;

[0040] When the present invention is used, the fresh surface of the soil is peeled off, and the open end 2 of the light-shielding and light-proof barrel 1 is directly buckled on the fresh surface of the soil for testing. The electronic colorimetric card mechanism is combined with the camera device 3 to realize the automatic collection of field soil photos, and the automatic comparison of the color, color value and chromaticity of different soil moisture and the standard colorimetric card under the light source condition, thereby realizing automatic and efficient rapid recognition of field soil color, which not only avoids the color difference caused by human sensory perception, but also greatly improves the recognition speed and accuracy, making the soil color data more objective and reliable, and can more accurately evaluate the soil health status;

[0041] When using the present invention, the user only needs to peel off the fresh surface of the soil and directly buckle the device vertically on the soil to conduct the test, which greatly reduces the workload and complexity of field investigations and is simple and convenient to operate.

[0042] Further optimizing the scheme, the electronic colorimetric card mechanism includes an electronic colorimetric card system 4, a reading screen 5 and a control system 6, and the electronic colorimetric card system 4 and the control system 6 are both installed on the inner wall of the light-shielding barrel 1;

[0043] The reading screen 5 is installed on the outer wall of the light-shielding barrel 1, and the reading screen 5, the electronic colorimetric card system 4, the soil moisture monitoring component, the natural light source simulation mechanism, and the camera device 3 are all electrically connected to the control system 6;

[0044] The electronic colorimetric card system 4 is used to store standard colorimetric card data and to compare and analyze the color with the soil photo taken by the camera device 3, thereby identifying the color in the soil photo and converting it into corresponding color value, chromaticity and other parameters;

[0045] The reading screen 5 is used to display the identification result of the electronic colorimetric card system 4, and the user can directly view the relevant information of the soil color without opening the light-shielding bucket.

[0046] According to a further optimization scheme, the control system 6 includes a control element and a wireless charging module, both of which are installed on the inner wall of the light-shielding barrel 1, and the reading screen 5, the electronic colorimetric card system 4, the soil moisture monitoring component, the natural light source simulation mechanism, the camera device 3 and the wireless charging module are all electrically connected to the control element; the wireless charging module provides a wireless charging function for the electronic components inside the device (such as the simulated natural light source module 7, the camera device 3, etc.), ensuring that the device does not require frequent battery replacement when used in the field.

[0047] A further optimized solution is that the natural light source simulation mechanism includes a number of simulated natural light source modules 7 electrically connected to the control element, the number of simulated natural light source modules 7 are installed at the end of the light-shielding barrel 1 away from the opening 2, the number of simulated natural light source modules 7 are arranged at intervals, and the lighting ends of the simulated natural light source modules 7 are facing the opening 2, and the simulated natural light source modules 7 are equipped with built-in batteries; the number of simulated natural light source modules 7 are controlled by the control element to simulate stable lighting conditions close to natural light, and multiple simulated natural light source modules 7 are arranged at intervals to ensure that light is evenly irradiated on the soil sample.

[0048] A further optimized solution is that the soil moisture monitoring component includes a soil moisture sensor 8 electrically connected to the control element, the soil moisture sensor 8 is installed on the inner wall of the light-shielding and light-proof barrel 1, and the detection probe 9 of the soil moisture sensor 8 extends along the opening 2 to the outside of the light-shielding and light-proof barrel 1; the detection probe 9 extends to the outside of the light-shielding and light-proof barrel 1 and is directly inserted into a field soil sample. The soil moisture sensor 8 calculates the moisture content of the soil by measuring parameters such as the resistivity or dielectric constant of the soil, and transmits the data to the control system 6 for processing.

[0049] According to a further optimization scheme, the length of the light-shielding and light-proof barrel 1 is 40 cm to 55 cm. In the present embodiment, the length of the light-shielding and light-proof barrel 1 is no more than 50 cm, which is convenient for users to operate and carry.

[0050] A further optimized solution is that a sealing end cap 10 is detachably connected to the end of the light-shielding and light-proof barrel 1 away from the opening 2, an internal thread is provided on the inner wall of the sealing end cap 10, and an external thread is provided on the outer wall of the end of the light-shielding and light-proof barrel 1 away from the opening 2, and the internal thread is adapted to the external thread; the sealing end cap 10 is used to ensure the sealing of the test environment.

[0051] As a further optimization scheme, a handle 11 is installed on the outer wall of the sealing end cover 10, and a plurality of anti-slip grooves 12 are provided on the handle 11 to facilitate the operator to hold and perform vertical field soil testing.

[0052] To further optimize the solution, a support ring 13 is detachably connected to the outer wall of the light-shielding barrel 1, and a plurality of guide rods 14 are fixedly connected to the support ring 13. The end of the guide rods 14 away from the support ring 13 is set as a tip 15; the tip 15 is used to be inserted into the soil to stabilize the device, which helps to keep the device vertical and stable during the test and improve the measurement accuracy.

[0053] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply 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 understood as a limitation on the present invention.

[0054] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A device for quantitatively identifying soil color in the field, characterized in that: include: A light-shielding and light-proof barrel (1), wherein one end of the light-shielding and light-proof barrel (1) is configured as an opening (2); a soil moisture content monitoring component is installed at the opening (2); A natural light source simulation mechanism, the natural light source simulation mechanism being installed in the light-shielding and light-proof barrel (1); A camera device (3), the camera device (3) being installed in the light-shielding barrel (1) and being used for taking photos of the soil; An electronic colorimetric card mechanism, the electronic colorimetric card mechanism being mounted on the light-shielding barrel (1), the electronic colorimetric card mechanism being electrically connected to the camera device (3), and the electronic colorimetric card mechanism being used to compare a photograph of the soil with the colorimetric card to identify the color of the soil; Wherein, the working ends of the natural light source simulation mechanism and the camera device (3) face the opening (2).

2. The device for quantitatively identifying soil color in the field according to claim 1, characterized in that: The electronic colorimetric card mechanism comprises an electronic colorimetric card system (4), a reading screen (5) and a control system (6), and the electronic colorimetric card system (4) and the control system (6) are both installed on the inner wall of the light-shielding barrel (1); The reading screen (5) is mounted on the outer wall of the light-shielding barrel (1); the reading screen (5), the electronic colorimetric card system (4), the soil moisture content monitoring component, the natural light source simulation mechanism, and the camera device (3) are all electrically connected to the control system (6).

3. The device for quantitatively identifying soil color in the field according to claim 2, characterized in that: The control system (6) comprises a control element and a wireless charging module, wherein the control element and the wireless charging module are both mounted on the inner wall of the light-shielding barrel (1), and the reading screen (5), the electronic colorimetric card system (4), the soil moisture monitoring component, the natural light source simulation mechanism, the camera device (3) and the wireless charging module are all electrically connected to the control element.

4. The device for quantitatively identifying soil color in the field according to claim 3, characterized in that: The natural light source simulation mechanism comprises a plurality of simulated natural light source modules (7) electrically connected to the control element, the plurality of simulated natural light source modules (7) being installed at one end of the light-shielding barrel (1) away from the opening (2), the plurality of simulated natural light source modules (7) being arranged at intervals, and the lighting ends of the simulated natural light source modules (7) facing the opening (2), and the simulated natural light source modules (7) having built-in storage batteries.

5. The device for quantitatively identifying soil color in the field according to claim 3, characterized in that: The soil moisture content monitoring component comprises a soil moisture content sensor (8) electrically connected to the control element, the soil moisture content sensor (8) being mounted on the inner wall of the light-shielding and light-proof barrel (1), and a detection probe (9) of the soil moisture content sensor (8) extending along the opening (2) to the outside of the light-shielding and light-proof barrel (1).

6. The device for quantitatively identifying soil color in the field according to claim 1, characterized in that: The length of the light-shielding and light-proof barrel (1) is 40 cm to 55 cm.

7. The device for quantitatively identifying soil color in the field according to claim 1, characterized in that: The end of the light-shielding and light-proof barrel (1) away from the opening (2) is detachably connected to a sealing end cover (10), and an inner thread is provided on the inner wall of the sealing end cover (10). The outer wall of the end of the light-shielding and light-proof barrel (1) away from the opening (2) is provided with an outer thread, and the inner thread is adapted to match the outer thread.

8. The device for quantitatively identifying soil color in the field according to claim 7, characterized in that: A handle (11) is installed on the outer wall of the sealing end cover (10), and a plurality of anti-slip grooves (12) are provided on the handle (11).

9. The device for quantitatively identifying soil color in the field according to claim 1, characterized in that: A support ring (13) is detachably connected to the outer wall of the light-shielding barrel (1), a plurality of guide rods (14) are fixedly connected to the support ring (13), and one end of the guide rods (14) away from the support ring (13) is set as a tip (15).

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