Unmanned aerial vehicle abiotic stress monitoring device based on thermal imaging and soil sensing

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle abiotic stress monitoring device based on thermal imaging and soil sensing, which comprises a rack, a lower bin body and an upper bin body are respectively arranged at the upper end of the rack, and a plurality of wing assemblies are arranged on the side edge of the rack in a circumferential array mode. The two sides of the lower end of the rack are each provided with an undercarriage, the middles of the undercarriages on the two sides are each provided with a vertically-arranged soil detection assembly, the undercarriages penetrate through the soil detection assemblies, each soil detection assembly comprises a main body, and a driving structure and a detection end are arranged in each main body; the soil detection assembly and the thermal imaging assembly are integrated on the unmanned aerial vehicle, mobile detection of soil data and temperature can be achieved, and compared with traditional fixed-point detection, accurate and intelligent monitoring in a larger range can be achieved through the convenient and fast moving characteristic of the unmanned aerial vehicle.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field, concretely is a kind of unmanned plane abiotic stress monitoring device based on thermal imaging and soil sensing. BACKGROUND

[0002] With the development of modern agriculture, crop growth environment monitoring becomes the key link to guarantee agricultural yield and quality. Abiotic stress, such as drought, salinity, high temperature, etc., is an important factor affecting crop growth. Traditional manual monitoring method is low in efficiency and poor in accuracy, which is difficult to meet the demand of large-scale and precision agricultural management.

[0003] In recent years, due to its efficient and flexible characteristics, unmanned plane technology has been widely used in the field of agriculture. However, most of the existing monitoring devices based on unmanned plane are limited to visual monitoring, which cannot accurately perceive the subtle changes of crop growth environment, especially the key factors such as soil condition and microenvironment temperature.

[0004] Thermal imaging technology can capture the temperature changes of crop canopy in real time, while soil sensor can accurately monitor soil humidity, salt content and other parameters. By integrating these two technologies, comprehensive and accurate monitoring of abiotic stress can be achieved. However, there is still a lack of monitoring device integrating thermal imaging and soil sensing technology on the market, which cannot meet the demand of precision and intelligent monitoring in modern agriculture.

[0005] Therefore, it is necessary to improve the above problems by providing an unmanned plane abiotic stress monitoring device based on thermal imaging and soil sensing. CONTENT OF UTILITY MODEL

[0006] The utility model aims to provide an unmanned plane abiotic stress monitoring device based on thermal imaging and soil sensing to solve the problems raised in the background.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] The utility model provides an unmanned plane abiotic stress monitoring device based on thermal imaging and soil sensing, including frame, the upper end of frame is provided with lower bin body and upper bin body respectively, and the side of frame is circularly arranged with a plurality of wing assemblies, and the lower end of frame is equipped with landing gear on both sides, and the middle part of landing gear on both sides is equipped with soil detection assembly which is vertically arranged, and landing gear is arranged through soil detection assembly, and the inside of soil detection assembly includes drive structure and detection end, and detection end is displaced in vertical direction under the drive of drive structure to detect soil, and the lower surface middle part of frame is equipped with three -axis holder, and the output end of three -axis holder is matched with thermal imaging assembly, and the inside of upper bin body is equipped with controller, and controller is electrically connected between soil detection assembly and thermal imaging assembly, and the inside of upper bin body and lower bin body is equipped with battery a and battery b respectively, and battery a is electrically connected with controller, and battery b is electrically connected with soil detection assembly and thermal imaging assembly.

[0009] As the preferred scheme of the utility model, the top end of the main body is provided with a mounting cavity, the top end of the main body is provided with a threaded groove, the threaded groove is internally and rotatably connected with an upper cover, the inside of the main body is provided with an inner cavity, and the inner cavity is fixedly connected with a fixed strip.

[0010] As the preferred scheme of the utility model, the drive structure includes a servo motor mounted in the mounting cavity, the output end of the servo motor is rotatably connected with a screw rod, one end of the screw rod is rotatably connected with the fixed strip, the outer side of the screw rod is threadedly connected with a connecting rod, the lower ends of the two sides of the connecting rod are fixedly connected with the detection end, and the detection end is limitingly arranged in the inner cavity.

[0011] As the preferred scheme of the utility model, the cross sections of the inner cavity and the detection end are rectangular, and the cross section size of the detection end is matched with the cross section size of the inner cavity.

[0012] As the preferred scheme of the utility model, the detection end includes a mounting end, the inside of the mounting end is embedded with a pH sensor, a temperature sensor, a four-electrode conductivity probe and a dielectric soil moisture sensor, and the ends of the pH sensor, the temperature sensor, the four-electrode conductivity probe and the dielectric soil moisture sensor extend to the outside through the lower end of the main body.

[0013] As the preferred scheme of the utility model, the lower end of the main body is fixedly connected with a cleaning ring, and a plurality of insertion holes matched with the cross section sizes of the pH sensor, the temperature sensor, the four-electrode conductivity probe and the dielectric soil moisture sensor are formed in the middle part of the cleaning ring.

[0014] As the preferred scheme of the utility model, the middle part of the front end of the thermal imaging assembly is provided with a camera module, and the middle part of the lower end surface of the thermal imaging assembly is embedded with an infrared camera.

[0015] As the preferred scheme of the utility model, the wing assembly comprises a connecting rod fixedly connected with the frame, motors are mounted on the upper and lower sides of the end of the connecting rod, and the output end of each motor is provided with a wing.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model integrates the soil detection assembly and the thermal imaging assembly on the unmanned aerial vehicle, can realize the mobility detection of the soil data and temperature, and compared with the traditional fixed-point detection, through the convenient movement characteristics of the unmanned aerial vehicle, can realize the more large-range precision and intelligent monitoring. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the first perspective solid drawing of the utility model;

[0019] Figure 2 It is the second perspective solid drawing of the utility model;

[0020] Figure 3 It is the sectional view of the utility model;

[0021] Figure 4 It is the schematic view of the soil detection assembly in the utility model;

[0022] Figure 5 It is the sectional view of the soil detection assembly in the utility model.

[0023] In the drawing: frame 1, lower bin body 2, upper bin body 3, connecting rod 4, motor 5, wing 6, thermal imaging assembly 7, main body 8, vertical connecting rod 9, three-axis holder 10, landing gear 11, controller 12, battery a 13, battery b 14, upper cover 15, threaded groove 16, servo motor 17, mounting cavity 18, cleaning ring 19, pH sensor 20, temperature sensor 21, four-electrode conductivity probe 22, dielectric soil moisture sensor 23, mounting end 24, screw rod 25, connecting rod 26, fixed strip 27, inner cavity 28. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] For the purpose of facilitating the understanding of the present application, the following will make a more comprehensive description of the present application with reference to relevant. Several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0028] Please refer to Figures 1-5 , the present application provides a technical scheme:

[0029] Embodiments, please refer to Figure 1 , 2 , 3, 4 and 5, a kind of unmanned vehicle abiotic stress monitoring device based on thermal imaging and soil sensing, including rack 1, the upper end of rack 1 is respectively provided with lower bin body 2 and upper bin body 3, the side of rack 1 is circumferentially arrayed with several wing assemblies, wing assembly includes the fixed connection of connecting rod 4 with rack 1, the end of connecting rod 4 is installed with motor 5 on the upper and lower sides, the output end of each motor 5 is installed with wing 6, the lower end of rack 1 is installed with landing gear 11 on both sides, the middle part of both sides landing gear 11 is installed with vertically arranged soil detection assembly, landing gear 11 is through soil detection assembly setting, the inside of the main body 8 is provided with driving structure and detection end, detection end is displaced in vertical direction under the drive of driving structure and detects soil;The middle part of the lower surface of rack 1 is installed with three-axis holder 10, and the output end of three-axis holder 10 is matched with thermal imaging assembly 7, the inside of upper bin body 3 is provided with controller 12, controller 12 is electrically connected between soil detection assembly and thermal imaging assembly 7, the inside of upper bin body 3 and lower bin body 2 is respectively provided with battery a 13 and battery b 14, battery a 13 is electrically connected between controller 12, battery b 14 is electrically connected between soil detection assembly and thermal imaging assembly 7.

[0030] When the drone lands, the soil detection component is set up in conjunction with the drone. The detection end can be driven by the drive structure to move vertically and insert into the soil to detect various soil data. During flight, the drone can use the thermal imaging component 7 to perform thermal imaging of the temperature of the monitored area. The various data detected and the temperature data can be processed by the controller 12, and its internal communication module can transmit various data.

[0031] Please refer to Figure 1 , 2 3. The top of the main body 8 has a mounting cavity 18 and a threaded groove 16. A top cover 15 is screwed into the threaded groove 16. The inside of the main body 8 has an inner cavity 28. A fixing strip 27 is fixedly connected inside the inner cavity 28. The drive structure includes a servo motor 17 installed inside the mounting cavity 18. The output end of the servo motor 17 is connected to a screw 25. One end of the screw 25 is rotatably connected to the fixing strip 27. A connecting rod 26 is threaded to the outside of the screw 25. Detection ends are fixedly connected to the lower ends of both sides of the connecting rod 26. The detection ends are limited inside the inner cavity 28. The cross-sections of the inner cavity 28 and the detection ends are rectangular, and the cross-sectional dimensions of the detection ends are adapted to the cross-sectional dimensions of the inner cavity 28.

[0032] Servo motor 17 drives the screw 25 to rotate. Since the detection end is limited inside the inner cavity 28, the connecting rod 26 drives the detection end to adjust its displacement in the vertical direction, so that the detection end can be inserted into the soil for detection.

[0033] Please refer to Figure 1 , 2 3. The detection end includes an installation end 24. The installation end 24 is internally embedded with a pH sensor 20, a temperature sensor 21, a four-electrode conductivity probe 22, and a dielectric soil moisture sensor 23. The ends of the pH sensor 20, temperature sensor 21, four-electrode conductivity probe 22, and dielectric soil moisture sensor 23 extend through the lower end of the main body 8 to the outside. A cleaning ring 19 is fixedly connected to the lower end of the main body 8. The middle of the cleaning ring 19 has several holes that are adapted to the cross-sectional dimensions of the pH sensor 20, temperature sensor 21, four-electrode conductivity probe 22, and dielectric soil moisture sensor 23.

[0034] A camera module is provided in the middle of the front end of the thermal imaging component 7, and an infrared camera is embedded in the middle of the lower end face of the thermal imaging component 7.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A UAV-based abiotic stress monitoring device based on thermal imaging and soil sensing, comprising a frame (1), wherein a lower compartment (2) and an upper compartment (3) are respectively provided at the upper end of the frame (1), and a plurality of wing components are arranged in a circular array on the side of the frame (1), and landing gear (11) is installed on both sides of the lower end of the frame (1), characterized in that: Both sides of the landing gear (11) are equipped with vertically arranged soil detection components in the middle. The landing gear (11) passes through the soil detection components. The soil detection components include a main body (8). The main body (8) is provided with a drive structure and a detection end. The detection end is moved vertically under the drive of the drive structure to detect the soil. A three-axis gimbal (10) is installed in the middle of the lower surface of the frame (1), and the output end of the three-axis gimbal (10) is connected to a thermal imaging component (7). A controller (12) is installed inside the upper chamber (3), and the controller (12) is electrically connected to the soil detection component and the thermal imaging component (7). A battery a (13) and a battery b (14) are respectively installed inside the upper chamber (3) and the lower chamber (2). The battery a (13) is electrically connected to the controller (12), and the battery b (14) is electrically connected to the soil detection component and the thermal imaging component (7).

2. The UAV abiotic stress monitoring device based on thermal imaging and soil sensing according to claim 1, characterized in that: The top of the main body (8) has an installation cavity (18) and a threaded groove (16). A top cover (15) is screwed into the threaded groove (16). The inside of the main body (8) has an inner cavity (28) and a fixing strip (27) is fixedly connected inside the inner cavity (28).

3. The UAV abiotic stress monitoring device based on thermal imaging and soil sensing according to claim 2, characterized in that: The drive structure includes a servo motor (17) installed inside the mounting cavity (18). The output end of the servo motor (17) is connected to a screw (25). One end of the screw (25) is rotatably connected to a fixing strip (27). A connecting rod (26) is threadedly connected to the outside of the screw (25). Detection ends are fixedly connected to the lower ends of both sides of the connecting rod (26). The detection ends are limited and set inside the inner cavity (28).

4. The UAV abiotic stress monitoring device based on thermal imaging and soil sensing according to claim 3, characterized in that: The cross-sections of the inner cavity (28) and the detection end are both rectangular, and the cross-sectional dimensions of the detection end are adapted to the cross-sectional dimensions of the inner cavity (28).

5. The UAV abiotic stress monitoring device based on thermal imaging and soil sensing according to claim 4, characterized in that: The detection end includes an installation end (24), in which a pH sensor (20), a temperature sensor (21), a four-electrode conductivity probe (22), and a dielectric soil moisture sensor (23) are embedded. The ends of the pH sensor (20), temperature sensor (21), four-electrode conductivity probe (22), and dielectric soil moisture sensor (23) extend through the lower end of the main body (8) to the outside.

6. The UAV abiotic stress monitoring device based on thermal imaging and soil sensing according to claim 5, characterized in that: The lower end of the main body (8) is fixedly connected to a cleaning ring (19), and the middle part of the cleaning ring (19) is provided with several holes that are compatible with the cross-sectional dimensions of the pH sensor (20), temperature sensor (21), four-electrode conductivity probe (22) and dielectric soil moisture sensor (23).

7. The UAV abiotic stress monitoring device based on thermal imaging and soil sensing according to any one of claims 1-6, characterized in that: The thermal imaging component (7) has a camera module at the front center and an infrared camera embedded in the lower end face of the thermal imaging component (7).

8. The UAV abiotic stress monitoring device based on thermal imaging and soil sensing according to claim 7, characterized in that: The wing assembly includes a connecting rod (4) fixedly connected to the frame (1). Motors (5) are installed on both the upper and lower sides of the end of the connecting rod (4), and a wing (6) is installed at the output end of each motor (5).

Images