Crop water stress monitoring device based on infrared thermal imaging

Abstract

The utility model discloses a crop water stress monitoring device based on infrared thermal imaging, and belongs to the technical field of crop water stress monitoring. A crop water stress monitoring device based on infrared thermal imaging comprises a plurality of stress monitoring device bodies arranged in a multipoint matrix mode, each stress monitoring device body comprises a fixing base and a protection mechanism, and an adjusting mechanism used for adjusting the height of the protection mechanism is arranged at the top of each fixing base in a sliding mode. Compared with the prior art, the integrated infrared thermal imager and the soil moisture content tester are integrated into a whole and are installed on the periphery of the to-be-detected crop in a multi-point matrix mode, so that the moisture content of the to-be-detected crop can be monitored, and the moisture content of the to-be-detected crop can be monitored. According to the invention, the growth condition of crops in an operation area can be collected in real time with high precision in the crop growth process, and soil moisture is synchronously monitored in cooperation with the soil moisture content tester, so that the monitoring precision is greatly improved, and real-time monitoring of the crops in the whole growth period is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of crop water stress monitoring, in particular to a crop water stress monitoring device based on infrared thermal imaging. Background Art

[0002] Crop water stress monitoring is an important part of agricultural management, which involves the balance between crop water demand and soil water supply.

[0003] Among existing crop water stress detection methods, satellite remote sensing monitoring is usually used for large-scale crops. This method has poor real-time performance, low accuracy and requires ground-based measurements for verification. Utility Model Content

[0004] The utility model provides a crop water stress monitoring device based on infrared thermal imaging, which can overcome certain defects of the prior art.

[0005] According to the crop water stress monitoring device based on infrared thermal imaging of the utility model, it includes a plurality of stress monitoring device bodies arranged in a multi-point matrix. The stress monitoring device bodies include a fixing seat and a protective mechanism. An adjustment mechanism for adjusting the height of the protective mechanism is slidably provided on the top of the fixing seat. The protective mechanism is provided with a plurality of infrared thermal imagers for monitoring the moisture content of crop leaves and stems. A detection component buried in the soil for collecting soil moisture content is provided at the bottom of the fixing seat; a support component for stabilizing the protective mechanism is provided on the adjustment mechanism.

[0006] Preferably, a sliding cavity is provided in the fixing seat; the adjustment mechanism includes an adjustment rod slidingly arranged in the sliding cavity, a plurality of circular holes are equidistantly provided on the adjustment rod, and a socket connected to the sliding cavity is provided on the side of the fixing seat corresponding to the circular hole, and a pin for limiting the adjustment rod is inserted in the socket.

[0007] With the above structure, when monitoring crops at different heights, the height of the protective mechanism, i.e., the height of the infrared thermal imager, can be adjusted through the adjustment mechanism to adapt to monitoring crops at different heights, thereby improving the practicality and scope of use of the device.

[0008] Preferably, the protective mechanism includes a base fixed on the top of the adjusting rod, a connecting column fixed on the top of the base, a plurality of mounting brackets for mounting multiple infrared thermal imagers are provided on the outer wall of the connecting column, the multiple mounting brackets are equidistantly arranged on the outer wall of the connecting column in a circle, a top block for shielding the infrared thermal imager is fixed on the top of the connecting column, and the top of the top block is conical.

[0009] The above structure can reduce the erosion of the infrared thermal imager by rainwater, and the infrared thermal imagers arranged at equal intervals in a circle can also perform real-time monitoring of crops with the fixed base as the center and the infrared thermal imager collection distance as the radius.

[0010] Preferably, the detection component includes a waterproof shell fixed at the bottom of the fixing base, an installation cavity is provided inside the waterproof shell, a soil moisture tester is provided in the installation cavity, and a monitoring end of the soil moisture tester is fixed at the bottom of the soil moisture tester and passes through the waterproof shell and is located outside the waterproof shell.

[0011] Through the above structure, it can be matched with an infrared thermal imager to monitor soil moisture in real time, thereby improving the accuracy of the infrared thermal imager's monitoring data.

[0012] Preferably, the support assembly includes four telescopic support rods hingedly arranged on the outer wall of the connecting column, and the bottom of the telescopic support rods is hingedly provided with a fixing plate.

[0013] Through the above structure, the adjusting rod after height adjustment can be supported, thereby improving the overall stability of the device.

[0014] Preferably, an equipment cavity is provided inside the fixing seat, and a controller electrically connected to the infrared thermal imager and the soil moisture tester is provided in the equipment cavity. A base is rotatably provided on one side of the equipment cavity, wherein the controller is used to send data to the display terminal.

[0015] Through the above structure, the data detected by the infrared thermal imager and the soil moisture tester can be sent to the display terminal in real time for the staff to view.

[0016] The beneficial effects of the utility model are as follows:

[0017] Compared with the existing technology, this device combines an integrated infrared thermal imager with a soil moisture tester and installs them in a multi-point matrix around the crops to be tested. It can collect the growth conditions of crops in the operating area in real time with high precision during the growth of crops, and cooperate with the soil moisture tester to synchronously monitor soil moisture, greatly improving the monitoring accuracy and realizing real-time monitoring of crops throughout their entire growth period. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a crop water stress monitoring device based on infrared thermal imaging;

[0019] Figure 2 This is a schematic diagram of the protection mechanism structure of a crop water stress monitoring device based on infrared thermal imaging;

[0020] Figure 3 This is a schematic diagram of the overall cross-sectional structure of a crop water stress monitoring device based on infrared thermal imaging. DETAILED DESCRIPTION

[0021] In order to further understand the content of the present invention, the present invention is described in detail with reference to the embodiments. It should be understood that the embodiments are merely for explanation of the present invention and are not intended to limit the present invention.

[0022] Example 1

[0023] See also Figure 1-3 This embodiment provides a crop water stress monitoring device based on infrared thermal imaging, including multiple stress monitoring device bodies arranged in a multi-point matrix. The stress monitoring device bodies include a fixing base 100 and a protective mechanism 110. An adjustment mechanism 120 for adjusting the height of the protective mechanism 110 is slidably provided on the top of the fixing base 100. The protective mechanism 110 is provided with multiple infrared thermal imagers 240 for monitoring the moisture content of crop leaves and stems. A detection component buried in the soil for collecting soil moisture content is provided at the bottom of the fixing base 100; the adjustment mechanism 120 is provided with a support component for stabilizing the protective mechanism 110.

[0024] Among them, the protection mechanism 110 is also provided with an environmental monitoring module, etc., which cooperates with the infrared thermal imager 240 to collect infrared information and environmental information of crop leaves and canopies in the operation area in real time with high precision during the growth of crops, thereby realizing real-time monitoring of the moisture conditions of crops throughout their entire growth period.

[0025] When using this embodiment, the number of stress monitoring device bodies to be installed is planned according to the required monitored crop area and the monitoring range of the stress monitoring device body, and multiple stress monitoring device bodies are installed in a multi-point matrix around the required detected crops. Then, the height of the protective mechanism 110 is adjusted according to the height of the crop. After the height adjustment is completed, it is fixed by the pin 270, and then the telescopic support rod 130 on the support assembly is adaptively adjusted to support the stability of the protective mechanism 110.

[0026] This solution integrates the integrated infrared thermal imager 240 and the soil moisture tester into one, and installs them in a multi-point matrix around the crops to be inspected. It can collect the growth status of crops in the operation area in real time with high precision during the growth of crops, and cooperate with the soil moisture tester to synchronously monitor soil moisture, greatly improving the monitoring accuracy and realizing real-time monitoring of crops throughout their entire growth period.

[0027] In this embodiment, a sliding cavity is provided in the fixing seat 100; the adjustment mechanism 120 includes an adjustment rod 260 that is slidably arranged in the sliding cavity, and a plurality of circular holes are equidistantly provided on the adjustment rod 260. A socket that is connected to the sliding cavity is provided on the side of the fixing seat 100 corresponding to the circular hole, and a pin 270 for limiting the adjustment rod 260 is inserted into the socket.

[0028] Through the above structure, when monitoring crops at different heights, the height of the protection mechanism 110, that is, the height of the infrared thermal imager 240, can be adjusted through the adjustment mechanism 120 to adapt to monitoring crops at different heights, thereby improving the practicality and scope of use of the device.

[0029] In this embodiment, the protective mechanism 110 includes a base 210 fixed on the top of the adjusting rod 260, a connecting column 220 is fixed on the top of the base 210, and a plurality of mounting brackets 230 for mounting a plurality of infrared thermal imagers 240 are provided on the outer wall of the connecting column 220. The plurality of mounting brackets 230 are equidistantly arranged on the outer wall of the connecting column 220 in a circle, and a top block 250 for shielding the infrared thermal imager 240 is fixed on the top of the connecting column 220, and the top of the top block 250 is conical.

[0030] The above structure can reduce the erosion of the infrared thermal imager 240 by rainwater, and the infrared thermal imagers 240 arranged equidistantly in a circle can also perform real-time monitoring of crops with the fixing base 100 as the center and the infrared thermal imager 240 collection distance as the radius.

[0031] In this embodiment, the detection component includes a waterproof shell 140 fixed at the bottom of the fixing base 100, an installation cavity 330 is provided inside the waterproof shell 140, a soil moisture tester 340 is provided in the installation cavity 330, and a soil moisture tester monitoring end 350 is fixed at the bottom of the soil moisture tester 340 and passes through the waterproof shell 140 and is located outside the waterproof shell 140.

[0032] Through the above structure, the infrared thermal imager 240 can be used to monitor soil moisture in real time, thereby improving the accuracy of the monitoring data of the infrared thermal imager 240.

[0033] In this embodiment, the support assembly includes four telescopic support rods 130 hingedly mounted on the outer wall of the connecting column 220 , and a fixing plate 360 ​​is hingedly mounted on the bottom of each telescopic support rod 130 .

[0034] Through the above structure, the adjustment rod 260 after height adjustment can be supported to improve the overall stability of the device.

[0035] In this embodiment, a device cavity 310 is provided inside the fixing seat 100, and a controller 320 electrically connected to the infrared thermal imager 240 and the soil moisture tester 340 is provided inside the device cavity 310. A base 210 is rotatably provided on one side of the device cavity 310, wherein the controller 320 is used to send data to the display terminal.

[0036] Through the above structure, the data detected by the infrared thermal imager 240 and the soil moisture tester 340 can be sent to the display terminal in real time, which is convenient for staff to view.

[0037] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application based on one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the scope of protection of the present application.

[0038] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The embodiments shown are only part of the embodiments of the present invention, and the actual structure is not limited to them. Therefore, if a person skilled in the art is inspired by the above and designs a structure and embodiment similar to the technical solution without creatively designing it without departing from the inventive purpose of the present invention, it shall fall within the scope of protection of the present invention.

Claims

1. A crop water stress monitoring device based on infrared thermal imaging, characterized in that: The invention comprises a plurality of stress monitoring device bodies arranged in a multi-point matrix, wherein the stress monitoring device bodies comprise a fixing seat (100) and a protective mechanism (110); an adjusting mechanism (120) for adjusting the height of the protective mechanism (110) is slidably provided on the top of the fixing seat (100); a plurality of infrared thermal imagers (240) for monitoring the moisture content of crop leaves and stems are provided on the protective mechanism (110); a detection component buried in the soil for collecting soil moisture content is provided on the bottom of the fixing seat (100); and a supporting component for stabilizing the protective mechanism (110) is provided on the adjusting mechanism (120).

2. The crop water stress monitoring device based on infrared thermal imaging according to claim 1, characterized in that: A sliding cavity is provided in the fixing seat (100); the adjusting mechanism (120) includes an adjusting rod (260) slidably provided in the sliding cavity, a plurality of circular holes are equidistantly provided on the adjusting rod (260), a socket connected to the sliding cavity is provided on the side of the fixing seat (100) corresponding to the circular holes, and a pin (270) for limiting the adjusting rod (260) is inserted into the socket.

3. The crop water stress monitoring device based on infrared thermal imaging according to claim 1, characterized in that: The protection mechanism (110) includes a base (210) fixedly arranged on the top of the adjustment rod (260), a connecting column (220) fixedly arranged on the top of the base (210), a plurality of mounting brackets (230) for mounting a plurality of infrared thermal imagers (240) provided on the outer wall of the connecting column (220), the plurality of mounting brackets (230) being arranged equidistantly on the outer wall of the connecting column (220), a top block (250) for shielding the infrared thermal imager (240) fixedly arranged on the top of the connecting column (220), and a top of the top block (250) being arranged in a conical shape.

4. The crop water stress monitoring device based on infrared thermal imaging according to claim 1, characterized in that: The detection component comprises a waterproof shell (140) fixedly arranged at the bottom of the fixing seat (100); a mounting cavity (330) is provided inside the waterproof shell (140); a soil moisture tester (340) is provided inside the mounting cavity (330); a soil moisture tester monitoring terminal (350) is fixedly provided at the bottom of the soil moisture tester (340) and penetrates the waterproof shell (140) and is located outside the waterproof shell (140).

5. The crop water stress monitoring device based on infrared thermal imaging according to claim 1, characterized in that: The support assembly comprises four telescopic support rods (130) hingedly arranged on the outer wall of the connecting column (220), and the bottom of each telescopic support rod (130) is hingedly connected to a fixing plate (360).

6. The crop water stress monitoring device based on infrared thermal imaging according to claim 1, characterized in that: An equipment cavity (310) is provided inside the fixing seat (100), and a controller (320) electrically connected to the infrared thermal imager (240) and the soil moisture tester (340) is provided inside the equipment cavity (310). A base (210) is rotatably provided on one side of the equipment cavity (310).

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