Supersonic orchard gas explosion deep scarification fertilizer applicator

Abstract

The invention discloses a supersonic orchard gas explosion deep scarification fertilizer applicator which comprises a crawler-type movable chassis, a gas explosion generating device, an air pressure and fertilization adjusting device, a control device, a soil bulk density detection device, a sensor intelligent detection device and the like. The gas explosion generating device comprises an air compressor, a gas tank, a high-pressure gas pipe and an electromagnetic valve, gas generated by the air compressor is stored through the gas tank, and the electromagnetic valve controls release of the high-pressure gas. The air pressure and fertilization adjusting device comprises an electromagnetic valve, a soil bulk density detection device, a sensor intelligent detection device and a control platform, and the soil bulk density detection device is installed on the crawler-type movable chassis and used for detecting the thickness of a soil compaction layer and determining the deep scarification depth and the air explosion pressure; the sensor intelligent detection device comprises a moisture sensor, a temperature sensor, a nitrogen phosphorus and potassium sensor, a single chip microcomputer control module and a communication module, and the sensors are used for detecting the moisture, temperature and nitrogen phosphorus and potassium content of soil, so that the proper fertilization amount is determined.

Description

Technical Field

[0001] The present invention belongs to the technical field of agricultural machinery, and specifically relates to a supersonic orchard gas explosion deep loosening and fertilizing machine. Background Art

[0002] Deep soil loosening is a method of loosening the soil without disturbing the original soil layer. It is currently the most widely used method for loosening the soil layer. Compared with traditional tillage machines, it can deepen the tillage depth after operation, breaking up the soil plow layer. This improves the solid-liquid-gas ratio without changing the soil plow layer structure. This facilitates the accumulation of soil organic matter and the restoration and formation of soil aggregate structure, improving the soil's ability to retain moisture and resist crop drought and lodging, reducing wind and water erosion, increasing crop yields, and achieving sustainable agricultural development. Fruit trees are perennial woody crops with deep and extensive root systems. They require a deep, well-permeable soil layer with sufficient water and fertilizer. Long-term growth of fruit trees without tillage can lead to soil compaction, which hinders the flow of water, air, and heat between the soil and the ground. It also hinders the storage of natural precipitation, significantly reducing soil organisms and organic matter, damaging soil capillaries, and reducing the soil's nutrient transport capacity. Orchard deep loosening technology refers to the use of deep loosening machines to loosen the soil layer 50 cm below the surface. It is an important guarantee for maintaining the normal growth of fruit trees and meeting their needs for water, fertilizer, air and heat. Soil deep loosening technology, as a mechanized operation project to improve soil quality and increase crop yields, is receiving increasing attention at home and abroad.

[0003] In orchard deep loosening operations, traditional orchard deep loosening and fertilization usually involves mechanical trenching and fertilization, which can easily damage the roots of fruit trees. Due to differences in soil physical properties and deep loosening depth, it is difficult to accurately determine the gas explosion pressure and the appropriate amount of fertilizer, resulting in inconsistent thickness of the soil compaction layer in different plots. During orchard deep loosening operations, since it is impossible to determine the thickness of the soil plow bottom layer, it is also impossible to determine the optimal deep loosening depth, which may result in insufficient deep loosening depth, requiring secondary deep loosening, or excessive deep loosening depth, resulting in excessive power consumption for deep loosening. In addition, due to uneven soil compaction, the deep loosening depth has not been kept consistent, resulting in the inability to achieve the ideal fertilization effect and causing fertilizer waste.

[0004] At present, smart agriculture is integrating new technologies such as mobile Internet, cloud computing, big data processing, and CNC operation on the basis of continuous improvement of traditional agricultural machinery. However, there are still some problems in data acquisition. Due to limited data sources, it is impossible to obtain soil information for every piece of land, which leads to the inability of smart agriculture to be widely used. Summary of the Invention

[0005] The present invention aims to overcome the shortcomings of the existing technology by providing a supersonic orchard gas explosion deep loosening and fertilizing machine, which is equipped with a gas explosion generating device, a fertilizing device, an orchard deep loosening device, an air pressure and fertilization regulating device, a control device, a soil bulk density detection device, and a sensor intelligent detection device. The gas explosion generating device stores high-pressure gas generated by an air compressor in a gas tank, and controls the release of the high-pressure gas through a solenoid valve. The instantaneous release of high-pressure gas is released through the outlet on the gas needle, causing soil cracking and enhancing the soil's air and water permeability. The soil bulk density detection device can calculate the soil bulk density based on real-time data such as the detected soil volume moisture content and soil mass moisture content, determine the appropriate deep plowing depth, and adjust the appropriate gas explosion pressure through PID fuzzy control to just break the soil plow bottom layer during deep plowing, which can minimize power consumption. During deep plowing, soil data is detected through moisture sensors, temperature sensors, and nitrogen, phosphorus, and potassium sensors. The appropriate amount of fertilizer is determined based on soil nitrogen, phosphorus, potassium, moisture and other data, reducing the problem of insufficient or excessive application of fertilizer liquid, thereby achieving the purpose of saving resources. The STM32 microcontroller control module collects sensor data, processes it, and uploads it to the user's smart device through the WIFI communication module.

[0006] The present invention is achieved through the following technical solutions:

[0007] A supersonic orchard gas explosion deep loosening and fertilizing machine, comprising a crawler-type mobile chassis, a gas explosion generating device, a fertilizing device, Orchard deep loosening device, air pressure, fertilization adjustment device, control device, soil bulk density detection device, sensor intelligent detection device;

[0008] The crawler mobile chassis is used to install the gas explosion generation device, fertilization device, control device, soil bulk density detection device Intelligent detection device with position and sensor;

[0009] The gas explosion device is used to release high-pressure gas to cause soil cracking, thereby enhancing the air permeability and water permeability of the soil compaction layer. Provide supersonic high-pressure gas for deep loosening equipment;

[0010] The fertilizing device includes a fertilizer storage tank, a fertilizer delivery pipe, and a solenoid valve. The solenoid valve is installed at the fertilizer outlet of the fertilizer storage tank to control the fertilizer liquid. release;

[0011] The orchard deep loosening device comprises an air shovel, a shock-absorbing spring, and an air needle, wherein the air needle comprises a needle tube and a detachable needle head. Deep loosening of soil by gas explosion;

[0012] The air pressure and fertilizer adjustment device is used to control the gas explosion pressure and the amount of fertilizer;

[0013] The control device is used to control the mobile chassis, the gas explosion generating device and the fertilizing device;

[0014] The soil bulk density detection device is used to detect the soil bulk density and the thickness of the plow bottom layer, thereby determining the deep loosening depth, air Explosion pressure;

[0015] The sensor intelligent detection device is used to detect soil data, thereby determining the appropriate amount of fertilizer, and uploading the data to the user's smart device.

[0016] In the above technical solution, the crawler type mobile chassis includes a frame, a support plate, a rubber crawler, a guide wheel, a support Support wheel, driving wheel, worm gear reducer and driving motor, the above-mentioned frame, supporting plate, rubber track, guide wheel, support The crawler-type mobile chassis is composed of a wheel, a driving wheel, a worm gear reducer and a driving motor.

[0017] In the above technical solution, the gas explosion generating device includes an air compressor, a gas tank, a high-pressure gas pipe, and a solenoid valve. The gas generated by the air compressor is stored in the gas tank, and the solenoid valve controls the release of the high-pressure gas.

[0018] In the above technical solution, the fertilizing device includes a fertilizer storage tank, a fertilizer delivery pipe, and a solenoid valve. Release of liquid.

[0019] In the above scheme, the orchard deep loosening device includes an air shovel, a shock-absorbing spring and an air needle, wherein the air needle includes a needle tube and a detachable needle head. The air needle is provided with two rows of high-pressure gas outlets, 8 in number, and an air inlet and a fertilizer inlet.

[0020] In the above technical solution, the air pressure and fertilization regulating device includes a solenoid valve, a soil bulk density detection device, a sensor Sensor intelligent detection device and control platform, soil bulk density detection device is installed on the crawler mobile chassis to detect soil The thickness of the compacted layer is used to determine the deep loosening depth and gas explosion pressure. The sensor intelligent detection device is installed on the tip of the gas needle. Detect soil moisture, temperature, nitrogen, phosphorus and potassium content to determine the appropriate amount of fertilizer. The solenoid valve is installed at the outlet of the gas tank and fertilizer tank. The air pressure and the amount of fertilizer released are controlled at the outlet. The detection data of the soil bulk density detection device and the intelligent sensor are sent in real time. Go to the control platform, which adjusts the gas explosion pressure and fertilizer amount.

[0021] In the above technical solution, the soil bulk density detection device includes a soil volume moisture probe, a soil mass content probe, and a soil Moisture rate probe, soil volume moisture detection module, soil mass moisture detection module, servo motor, cone rod, electric push Rod, coaxial cable and optical fiber, the soil volume moisture probe is connected to the soil volume moisture detection module through the coaxial cable, and the soil mass moisture probe is connected to the soil mass moisture detection module through the optical fiber. The soil volume is collected by frequency domain reflection method. The electrical signal of moisture content is used to determine the value of soil volume moisture content through calibration experiment. The method collects the original spectral data of soil mass moisture content, and after preprocessing, the original spectral data is input into the regression model preset by the system to calculate the soil mass moisture content. The soil volume moisture content and the soil mass moisture content are used to calculate the soil bulk density through the BP neural network, and a soil bulk density characteristic curve is generated. In the soil bulk density characteristic curve, a section with a large change in soil bulk density is selected. This section is the plow bottom layer, and the specific deep loosening depth is determined according to the position of the plow bottom layer.

[0022] In the above technical solution, the intelligent sensor detection device includes a moisture sensor, a temperature sensor, a nitrogen, phosphorus, and potassium sensor, an STM32 single-chip microcomputer control module, and a Wi-Fi communication module. These three sensors are located below the subsoiling shovel. During subsoiling, the sensors detect soil moisture, temperature, and nitrogen, phosphorus, and potassium content to determine the appropriate amount of fertilizer. The STM32 single-chip microcomputer control module collects the sensor data, processes it, and uploads it to the user's smart device via the Wi-Fi communication module.

[0023] In the above technical solution, the detachable needle is designed to have a sliding cutting effect based on the sliding cutting principle and the drag reduction principle, which has the function of reducing the insertion resistance. The needle is installed at the bottom end of the trachea through a thread to prevent soil from entering the trachea through the air outlet and causing trachea blockage.

[0024] In the above technical solution, the air pressure and fertilization adjustment control platform method is as follows:

[0025] Fuzzy PID control technology is used in the air pressure and fertilizer regulation system, and the system modules are divided into two parts: fuzzy control and PID control. Fuzzy control uses the fuzzy controller in the simulation software to compile fuzzy control rules into a program file to achieve fuzzification of input data. PID control, on the other hand, consists of an input signal module, an operation module, and an integration and differentiation module. The system works by first calculating the error and error change rate between the input signal and the feedback signal, and then passing the results to the fuzzy controller and PID controller. The fuzzy controller performs fuzzy reasoning based on the error and error change rate to derive the three correction parameters for fuzzy PID control. The output result is then added to the pre-entered parameter value for PID calculation. The PID controller calculates the final output result based on the transfer function and passes it to the control system to adjust the gas explosion pressure and fertilizer amount.

[0026] The advantages and beneficial effects of the present invention are:

[0027] The supersonic orchard gas explosion deep loosening and fertilizing machine of the present invention stores the high-pressure gas generated by the air compressor in a gas tank through a gas explosion generation device, controls the release of the high-pressure gas through an electromagnetic valve, and instantly releases the high-pressure gas through the gas outlet on the gas needle. The instantly released high-pressure gas will cause the soil to crack, thereby enhancing the air permeability and water permeability of the soil.

[0028] The supersonic orchard gas explosion subsoiling fertilizer of the present invention is equipped with a soil bulk density detection device, which can calculate the soil bulk density based on the soil mass moisture content and the soil volume moisture content. The soil bulk density can be used to determine the thickness of the soil plow bottom layer, thereby determining the appropriate subsoiling depth and gas explosion pressure. This not only avoids excessive power consumption caused by excessive subsoiling depth, but also avoids the drawback of requiring secondary subsoiling due to insufficient subsoiling depth, thus achieving the goal of saving energy.

[0029] The supersonic orchard gas explosion deep loosening fertilizer applicator of the present invention is provided with a moisture sensor, a temperature sensor, and a nitrogen, phosphorus, and potassium sensor. The soil nitrogen, phosphorus, potassium, moisture and other data are detected by the three sensors of soil moisture, temperature, and nitrogen, phosphorus, and potassium. The appropriate amount of fertilizer is determined by the detection data of soil nitrogen, phosphorus, potassium, moisture and other data, thereby reducing the problem of insufficient or excessive application of fertilizer liquid and achieving the purpose of saving resources. The STM32 single-chip microcomputer control module collects the sensor data and uploads it to the user through the WIFI communication module after processing. Data detection through sensors can not only provide farmers with accurate soil data to adopt effective management methods, but also can Smart agriculture provides sufficient database to promote the development of smart agriculture.

[0030] The detachable needle head of the supersonic orchard gas explosion deep loosening fertilizer applicator of the present invention is based on the sliding cutting principle and the drag reduction principle. The needle is designed with a sliding cutting effect to reduce insertion resistance. The needle is installed at the bottom of the trachea through a thread to prevent Prevent soil from entering the trachea through the air outlet and causing trachea blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the three-dimensional structure of the supersonic orchard gas explosion deep loosening and fertilizing machine of the present invention;

[0032] Figure 2 This is a schematic diagram of the three-dimensional structure of the crawler-type mobile chassis in the present invention;

[0033] Figure 3 This is an enlarged schematic diagram of the orchard subsoiling device of the present invention;

[0034] Figure 4 It is an enlarged schematic diagram of the gas explosion generating device in the present invention;

[0035] Figure 5 This is a schematic diagram of the three-dimensional structure of the detachable shovel tip in the present invention;

[0036] Figure 6 Schematic diagram of the three-dimensional structure of the soil bulk density detection device in the present invention;

[0037] As shown in the figure: 1 is a crawler mobile chassis, 2 is an air intake pipe, 3 is an air compressor, 4 is a gas explosion generation device, 5 is a fertilizer storage tank, 6 is a solenoid valve, 7 is a control device, 8 is an orchard deep loosening device, 9 is a fertilizer delivery pipe, 10 is a high-pressure air pipe, 11 is a sensor intelligent detection device, and 12 is a soil bulk density detection device. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention are further described below with reference to specific embodiments.

[0039] A supersonic orchard gas explosion deep tillage fertilization machine includes a crawler-type mobile chassis 1, a deep tillage device and a fertilization device arranged on the mobile chassis, a gas explosion generation device 4, an air pressure and fertilization adjustment device, a soil bulk density detection device 12, and a sensor intelligent detection device 11.

[0040] The crawler mobile chassis includes a frame 15, a support plate 13, a rubber track 16, a guide wheel 14, a support wheel 17, a drive wheel 18, a worm gear reducer 19, and a drive motor 20, which serves as a carrier for installing a fertilizing device, a gas explosion generating device, an air pressure and fertilizing regulating device, a control device, a soil bulk density detecting device, and a sensor intelligent detecting device.

[0041] The gas explosion generating device includes an air compressor 3, a pressure gauge 28, a gas tank 9, a solenoid valve 30, and a high-pressure gas pipe 10. The gas generated by the air compressor is stored in the gas tank, and the solenoid valve is used to control the release of the high-pressure gas.

[0042] The fertilizing device includes a fertilizer storage tank 5, a fertilizer delivery pipe 9, and a solenoid valve 6. The fertilizer storage tank is used to store liquid fertilizer, the fertilizer delivery pipe is used to deliver fertilizer, and the solenoid valve is installed at the fertilizer outlet of the fertilizer storage tank to control the release of fertilizer liquid;

[0043] The deep plowing device includes an air shovel 21, a shock-absorbing spring 27, an air inlet 26, a fertilizer inlet 22, a needle tube 23, an air outlet 25, and a detachable needle 24. The shock-absorbing spring and the air needle are installed under the air shovel. The air shovel drives the air needle into the soil through impact force. The shock-absorbing spring is used to reduce the vibration generated during deep plowing operations in the orchard. The air needle is used to insert into the soil and release high-pressure gas.

[0044] The orchard deep loosening device is provided with two rows of 8 high-pressure gas outlets, among which the detachable needle is designed with a sliding cutting effect based on the sliding cutting principle and the drag reduction principle, which has the function of reducing the insertion resistance. The shovel head is installed at the bottom of the air pipe through a thread to prevent soil from entering the air pipe through the air outlet and causing the air pipe to be blocked.

[0045] The air pressure and fertilizer adjustment device includes a solenoid valve 6, a solenoid valve 30, a soil bulk density detection device 12, a sensor intelligent detection device 11, and a control device 7. The soil bulk density detection device is mounted on a crawler-type mobile chassis and is used to detect the thickness of the soil compaction layer, thereby determining the deep loosening depth and gas explosion pressure. The sensor intelligent detection device is mounted on the tip of the gas needle and is used to detect soil moisture, temperature, nitrogen, phosphorus, and potassium content, thereby determining the appropriate amount of fertilizer. Solenoid valves are installed at the outlets of the gas tank and fertilizer storage tank to control the air pressure and the amount of fertilizer released. The detection data of the soil bulk density detection device is transmitted in real time to the control platform, which adjusts the air pressure and the amount of fertilizer released.

[0046] The soil bulk density detection device includes a soil volumetric moisture probe 42, a soil mass moisture probe 43, a soil volumetric moisture detection module 40, a soil mass moisture detection module 44, a servo motor 39, a tapered rod 41, an electric push rod 45, a coaxial cable, and an optical fiber. The device collects the electrical signal of the soil volumetric moisture content through frequency domain reflectometry and determines the value of the soil volumetric moisture content through a calibration experiment. The raw spectral data of the soil mass moisture content is collected through visible light-near infrared reflectometry. The raw spectral data is pre-processed and then inserted into a regression model preset by the system to calculate the soil mass moisture content. The soil volumetric moisture content and the soil mass moisture content are used to calculate the soil bulk density through a BP neural network, and a soil bulk density characteristic curve is generated. A section of the soil bulk density characteristic curve with a large change in soil bulk density is selected, which is the plow bottom layer. The specific deep loosening depth and gas explosion pressure are determined based on the position of the plow bottom layer.

[0047] The sensor intelligent detection device includes a moisture sensor 33, a temperature sensor 34, a nitrogen, phosphorus and potassium sensor 37, an STM32 single-chip microcomputer control module 8, and a WIFI communication module 8. The three sensors are respectively located below the detachable air needle 24. During deep plowing operations, the sensors detect soil moisture, temperature, nitrogen, phosphorus and potassium content. The STM32 single-chip microcomputer control module 8 collects sensor data and uploads it to the user's smart device through the WIFI module 8 after processing.

[0048] The present invention is used as follows: During deep plowing, the soil bulk density is detected by the soil bulk density detection device 12, and the soil bulk density data is transmitted to the control device 7. The control device 7 determines the thickness of the soil plow bottom layer based on the soil bulk density, thereby determining the appropriate deep plowing depth and gas explosion pressure. The moisture sensor 33, temperature sensor 34, and nitrogen, phosphorus, and potassium sensor 37 detect soil moisture, temperature, nitrogen, phosphorus, and potassium content, and other data, thereby determining the appropriate amount of fertilizer to be applied. The control device 7 controls the deep plowing gas explosion pressure and the amount of fertilizer to be applied by the opening and closing degree of the solenoid valve 30 and the solenoid valve 6. During deep plowing, the air needle is inserted into the soil by the impact force of the air shovel 21. The air compressor 3 stores the generated compressed air in the gas explosion generating device 4. The release of high-pressure gas is controlled by the solenoid valve 30. The instantaneous release of high-pressure gas is released through the air outlet 25 on the air needle. The instantaneous release of high-pressure gas will cause the soil to crack, enhancing the air permeability and water permeability of the soil. The release of fertilizer liquid from the fertilizing device is controlled by the solenoid valve 6, reducing the problem of insufficient or excessive application of fertilizer liquid.

[0049] For ease of explanation, the above embodiments use spatially relative terms such as "upper," "lower," "left," and "right" to describe the positional relationship of an element relative to other elements in the figures. It should be understood that these spatial terms are intended to encompass different orientations of the device during use or operation, in addition to the orientations shown in the figures. For example, if the device in the figures is inverted, a positional relationship described as being "upper" or "lower" than other elements would be replaced with "lower" or "upper." The device may be rotated in other ways.

[0050] It should be noted that the embodiments described above are only used to illustrate the technical solutions of the present invention and are not intended to limit the same. A person skilled in the art may modify the technical solutions in the aforementioned embodiments without departing from the core of the present invention, and may make other different forms of changes based on the above description. However, it should be noted that any modifications, equivalent substitutions, and improvements made do not depart from the spirit and scope of the technical solutions of the various embodiments of the present invention and are intended to be included within the scope of protection of the claims of the present invention.

Claims

1. A supersonic orchard gas explosion deep loosening and fertilizing machine, characterized by: It includes crawler-type mobile chassis, gas explosion generation device, fertilization device, orchard deep loosening device, air pressure and fertilization adjustment device, control device, soil bulk density detection device, and sensor intelligent detection device; The crawler-type mobile chassis includes a chassis frame, driving wheels, supporting wheels, guide wheels, a motor and a worm gear reducer; The gas explosion generating device includes an air compressor, a pressure gauge, a gas tank, a high-pressure gas pipe, and a solenoid valve; The fertilizing device includes a fertilizer storage tank, a fertilizer delivery pipe, and a solenoid valve. The solenoid valve is installed at the fertilizer outlet of the fertilizer storage tank to control the release of fertilizer liquid. The orchard deep loosening device includes an air shovel, a shock-absorbing spring, and an air needle, wherein the air needle includes a needle tube and a detachable needle head. The shock-absorbing spring and the air needle are installed below the air shovel. The air pressure and fertilizer adjustment device is used to control the gas explosion pressure and the amount of fertilizer; The control device is used to control the mobile chassis, the gas explosion generating device and the fertilizing device; The soil bulk density detection device includes a soil volume moisture detection module, a soil mass moisture detection module, a soil volume moisture probe, a soil mass moisture probe, a coaxial cable, an optical fiber, and a tapered rod; The sensor intelligent detection device includes a moisture sensor, a temperature sensor, a nitrogen, phosphorus and potassium sensor, an STM32 single-chip microcomputer control module, and a WIFI communication module.

2. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The crawler-type mobile chassis includes a chassis frame, a driving wheel, a supporting wheel, a guide wheel, a motor and a worm gear reducer. The chassis frame, the driving wheel, the supporting wheel, the guide wheel, the motor and the worm gear reducer constitute the entire crawler-type mobile chassis for traveling in an orchard.

3. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The gas explosion generation device includes an air compressor, a pressure gauge, a gas tank, a high-pressure gas pipe, and a solenoid valve. The air compressor is used to generate compressed gas, the pressure gauge is used to detect the gas pressure, the gas tank is used to store the gas generated by the air compressor, the high-pressure gas pipe is used to transport the high-pressure gas released by the gas tank, and the solenoid valve is used to control the release of the high-pressure gas.

4. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The fertilizing device includes a fertilizer storage tank, a fertilizer delivery pipe, and a solenoid valve. The fertilizer storage tank is used to store liquid fertilizer, the fertilizer delivery pipe is used to deliver the liquid fertilizer, and the solenoid valve is used to control the release of the liquid fertilizer.

5. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The air pressure and fertilization adjustment device includes a solenoid valve, a soil bulk density detection device, a sensor intelligent detection device and a control platform. The soil bulk density detection device is installed on a crawler mobile chassis, and the solenoid valve is installed at the outlet of the gas tank and the fertilizer storage tank to control the gas explosion pressure and the release amount of fertilizer liquid; the detection data of the soil bulk density detection device and the intelligent sensor are sent to the control platform in real time, and the control platform adjusts the gas explosion pressure and the amount of fertilizer.

6. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The control device is installed on the crawler mobile chassis and is used to control the movement of the crawler mobile chassis, receive detection data from the soil bulk density detection device and the sensor intelligent detection device, and control the opening and closing degree of the solenoid valve.

7. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The orchard deep plowing device includes an air shovel, a shock-absorbing spring, and an air needle, wherein the air needle includes a needle tube and a detachable needle head. The air needle is provided with two rows of high-pressure gas outlets, 8 in number, and an air inlet and a fertilizer inlet. The shock-absorbing spring and the air needle are installed under the air shovel. The air shovel drives the air needle into the soil through impact force. The shock-absorbing spring is used to reduce the vibration generated during the deep plowing operation in the orchard. The air needle is used to insert into the soil and release high-pressure gas.

8. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The detachable needle is a needle with a sliding cutting effect designed based on the sliding cutting principle and the drag reduction principle. The needle is installed at the bottom end of the trachea through a thread to prevent soil from entering the trachea through the air outlet and causing trachea blockage.

9. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The soil bulk density detection device includes a soil volume moisture probe, a soil mass moisture probe, a soil volume moisture detection module, a soil mass moisture detection module, a servo motor, a tapered rod, an electric push rod, a coaxial cable, and an optical fiber. The coaxial cable and the optical fiber are placed inside the tapered rod. The soil volume moisture probe and the soil mass moisture probe are installed at the lower end of the tapered rod. The soil volume moisture detection module and the soil mass moisture detection module are installed at the upper end of the tapered rod. The soil volume moisture probe is connected to the soil volume moisture detection module via the coaxial cable. The soil mass moisture probe is connected to the soil mass moisture detection module via the optical fiber. A controller is installed at the top for calculating the soil bulk density.

10. The supersonic orchard gas explosion deep loosening and fertilizing machine according to claim 1, characterized in that: The sensor intelligent detection device includes a moisture sensor, a temperature sensor, a nitrogen, phosphorus and potassium sensor, an STM32 single-chip microcomputer control module, and a WIFI communication module. The moisture sensor, temperature sensor, and nitrogen, phosphorus and potassium sensor are respectively located below the air needle. During deep plowing operations, the sensors detect soil moisture, temperature, and nitrogen, phosphorus and potassium content. The STM32 single-chip microcomputer control module collects sensor data, processes it, and uploads it to the user's smart device through the WIFI communication module.

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