Portable quick test type soil testing and formulated fertilization all-in-one machine

Abstract

The invention discloses a portable quick-test soil testing and formulated fertilization all-in-one machine, and particularly relates to the technical field of soil testing and formulated fertilization, the portable quick-test soil testing and formulated fertilization all-in-one machine comprises an outer shell, a shell cover plate is hinged to the top end of the outer shell, and a fixed partition plate is fixedly arranged in the outer shell; a supporting frame is fixedly arranged in the outer shell, and limiting mechanisms are arranged on the two sides of the control panel; and a soil measuring probe. According to the invention, the contact rod is inserted into the moistened soil, so that the content of nitrogen, phosphorus and potassium in the soil can be detected within 2 seconds, the accuracy of detected data is relatively high, the detection process is relatively simple and convenient, the detection efficiency is relatively high, and the detection cost is greatly reduced; the fertilizing amount is calculated in cooperation with the soil testing and formulated fertilization system on the control panel, so that farmers can directly obtain scientific fertilization suggestions, waste of fertilizer is avoided, environmental pollution caused by improper fertilization is reduced, and the range of soil testing and formulated fertilization is greatly expanded.

Description

Technical Field

[0001] This invention relates to the field of soil testing and fertilizer recommendation technology, specifically to a portable, rapid-testing integrated soil testing and fertilizer recommendation machine. Background Technology

[0002] Different crops require different nutrients. Applying fertilizer alone is not as effective as applying fertilizer in combination. The amount of fertilizer required also varies depending on the type of soil. More fertilizer is not necessarily better. Blindly applying too much fertilizer not only wastes fertilizer but also increases production costs, reduces yield, decreases profits, and pollutes the environment.

[0003] Currently, farmers mostly rely on experience when fertilizing crops. This method is not scientific and easily leads to fertilizer waste. Excessive fertilization can also cause environmental pollution. In some areas, farmers collect soil samples and take them to the laboratory for testing to detect the nitrogen, phosphorus, and potassium content in the soil. However, this method requires multiple steps, takes a long time, and is costly. This reduces farmers' enthusiasm for testing and makes it difficult to implement soil testing and formula fertilization on a large scale. Summary of the Invention

[0004] The purpose of this invention is to provide a portable, rapid-testing soil testing and fertilizer application machine to address the aforementioned shortcomings in the technology.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a portable, rapid-testing soil testing and fertilizer application integrated machine, comprising: The outer shell has a shell cover plate hinged to its top, and the front end of the outer shell is connected to the front end of the shell cover plate by a snap fastener. A fixed partition is fixedly provided inside the outer shell, and a first lithium battery is provided at the bottom inside the outer shell, with the first lithium battery located on one side of the fixed partition. The control panel is installed inside the outer casing. A support frame is fixed inside the outer casing. The support frame is located on top of the first lithium battery. The control panel is located on top of the support frame. The control panel is electrically connected to the first lithium battery. Limiting mechanisms are provided on both sides of the control panel. An ID card reader is installed inside the outer casing and is located on the other side of a fixed partition. The soil testing probe includes a soil nitrogen, phosphorus, and potassium sensor and three contact rods. The soil nitrogen, phosphorus, and potassium sensor is connected to the control panel via a cable. A power plug, which is connected to the first lithium battery.

[0006] Preferably, the limiting mechanism includes a first mounting cavity formed on one side of the outer shell and one side of the fixed partition. A limiting plate is provided inside the first mounting cavity. Limiting grooves are formed on both sides of the control panel. One end of each of the two limiting plates extends into the two limiting grooves. A second mounting cavity is formed at the top of one side of the outer shell and the top of the fixed partition. The second mounting cavity is perpendicular to the first mounting cavity and communicates with the interior of the first mounting cavity. A U-shaped frame is provided inside the second mounting cavity. A third mounting cavity is formed at the top of the interior of the first mounting cavity. A first rotating rod is rotatably connected inside the third mounting cavity. A first toothed roller is fixedly provided at the middle of the outer end of the first rotating rod. A first toothed rack is fixedly provided at the middle of the top of the limiting plate. The first toothed roller and the first toothed rack mesh with each other. A second toothed roller is fixedly provided on the outer side of each end of the first rotating rod. A second toothed rack is fixedly provided on the inner side of each end of the U-shaped frame. The second toothed roller and the second toothed rack mesh with each other. Two movable grooves are formed at the top of the limiting plate. The two movable grooves are respectively located on the front and rear sides of the first toothed rack. The bottom ends of the U-shaped frame pass through the interiors of the two movable grooves. Two fourth mounting cavities are opened inside the second mounting cavity. Two connecting blocks are fixedly provided on the inner side of the top of the U-shaped frame. The connecting blocks are located inside the fourth mounting cavities. A fixing rod is fixedly provided inside the fourth mounting cavity. The top of the fixing rod passes through the connecting block. A first spring is sleeved on the outer end of the fixing rod. The two ends of the first spring are fixedly connected to the bottom end of the connecting block and the bottom end of the fourth mounting cavity, respectively.

[0007] Preferably, a connecting box is provided on one side of the outer casing, a second lithium battery is provided inside the connecting box, a rotating frame is rotatably connected to the bottom of the connecting box, a stirring assembly is provided inside the rotating frame, a first gear is fixedly provided on the outer side of the top of the rotating frame, a second rotating rod is rotatably connected to the bottom of the connecting box, the top of the second rotating rod passes through the connecting box and extends to the top of the connecting box, a second gear is fixedly provided at the bottom of the second rotating rod, the second gear meshes with the first gear, a third gear is fixedly provided at the top of the second rotating rod, and a power assembly is provided at the top of the connecting box.

[0008] Preferably, the stirring assembly includes a third rotating rod disposed inside the rotating frame. The top end of the third rotating rod passes through the connecting box and extends to the top of the connecting box. The third rotating rod is rotatably connected to the connecting box. A connecting rod is fixedly disposed at the bottom end of the third rotating rod. A plurality of stirring cone rods are fixedly disposed at the bottom end of the connecting rod. A fourth gear is fixedly disposed at the top end of the third rotating rod. The fourth gear and the third gear are located on the same horizontal plane and are symmetrically distributed.

[0009] Preferably, the power assembly includes an adjustment plate disposed at the top of the connecting box, the adjustment plate being located between the second rotating rod and the third rotating rod, a motor fixedly disposed at the top of the adjustment plate, the motor being electrically connected to the second lithium battery, a fourth rotating rod fixedly disposed on the output shaft of the motor, the bottom end of the fourth rotating rod being rotatably connected to the top of the adjustment plate, a fifth gear fixedly disposed at the outer end of the fourth rotating rod, the fifth gear meshing with the third gear, a protective shell fixedly disposed at the top of the connecting box, the third gear, the fourth gear and the power assembly being disposed inside the protective shell, and position adjustment components disposed at the bottom of both ends of the adjustment plate.

[0010] Preferably, the position adjustment assembly includes two first slide grooves formed at the top of the connecting box. The first slide grooves are provided with first sliders. The top ends of the two first sliders are respectively fixedly connected to the bottom ends of the adjustment plate. A threaded rod is rotatably connected inside the first slide groove. One end of the threaded rod passes through the first slider and extends to the front end of the connecting box. The threaded rod is threadedly connected to the first slider. The two threaded rods are respectively located on both sides of the second rotating rod. One end of one of the threaded rods is fixedly provided with a turntable, and the other end of the threaded rod is fixedly provided with a pulley. The pulley is located between the turntable and the connecting box. The two pulleys are connected by a belt.

[0011] Preferably, the bottom of the outer shell is provided with four support legs, the inner side of the top of the support legs is connected to the bottom of the outer shell by a hinge, the bottom of the support legs is fixedly provided with a tapered rod, and the inner side of the bottom of the support legs and the bottom of the outer shell are fixedly provided with corresponding magnetic blocks.

[0012] Preferably, a second sliding groove is provided on one side of the outer shell and on the outer side of the two support legs located at the bottom of the connecting box. A second slider is provided inside the second sliding groove, and one side of the two second sliders is fixedly connected to one side of the connecting box. Each of the two second sliders has a limiting rod on one side of its top end. The second slide groove has two limiting holes. One end of the limiting rod passes through the second slider and extends into one of the limiting holes. The other end of the two limiting rods is fixedly provided with a connecting plate. The outer end of the limiting rod is fitted with a second spring. The two ends of the second spring are fixedly connected to the inner side of the connecting plate and one side of the second slider, respectively.

[0013] Preferably, the soil testing and fertilizer recommendation system is used in conjunction with the control panel of claim 1, comprising: The detection module is used to detect the content of available nitrogen, available phosphorus and available potassium in the soil; The collection module is used to collect the data detected by the detection module; A processing and calculation module is used to process the collected data and calculate the amount of fertilizer to be applied. The storage module is used to store various fertilizer data and various crop data; The display module is a touch screen, and the display module is used to display data and information; An identity verification module, used to verify the farmer's identity; The management module is used to manage the backend data of multiple all-in-one machines; A connection and transmission module is used to connect to an external USB flash drive and a printing device; Mobile terminal, wherein the mobile terminal is a mobile phone or other mobile device; A remote terminal, which is used for remote control, remote technical guidance, and remote troubleshooting.

[0014] Preferably, the detection module is a soil nitrogen, phosphorus, and potassium sensor, which detects the nitrogen, phosphorus, and potassium content in the soil by measuring soil electrical conductivity.

[0015] Preferably, the fertilizer data in the storage module includes the fertilizer type, price, and nitrogen, phosphorus, and potassium content, and the crop data in the storage module includes the crop type and the required nitrogen, phosphorus, and potassium content in the fertilizer.

[0016] Preferably, the identity verification module is an ID card reader, which can retrieve the farmer's current soil data and the soil data calculated for the current year.

[0017] The technical effects and advantages provided by the present invention in the above technical solution are as follows: 1. By inserting the contact rod into the moistened soil, the nitrogen, phosphorus, and potassium content in the soil can be detected in 2 seconds. The detection data has a high accuracy rate, the detection process is simple and convenient, the detection efficiency is high, and the detection cost is greatly reduced. Combined with the soil testing and fertilizer recommendation system on the control panel to calculate the amount of fertilizer, farmers can directly obtain scientific fertilization advice, avoid fertilizer waste, reduce environmental pollution caused by improper fertilization, and greatly expand the scope of soil testing and fertilizer recommendation. 2. The control panel is supported and fixed in the farmland by four support legs, making it convenient for people to operate the control panel. The connection box is limited by the limit rod, and the position of the connection box can be quickly adjusted. The position adjustment component controls the power connection between the power component, the rotating frame and the mixing component, which can quickly mix the soil at the test point, greatly improving the efficiency of the initial test sample processing, and can mix the soil more evenly, so that the nitrogen, phosphorus and potassium content inside is more evenly distributed, making the test data more accurate. 3. The control panel is fixed inside the housing by a limiting mechanism, which makes the installation and fixing of the control panel simple and convenient, and also facilitates the disassembly of the control panel, making the maintenance and repair of the control panel more convenient and practical. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 3 This is a three-dimensional structural diagram of the control panel of the present invention; Figure 4 This is a schematic diagram of the three-dimensional structure of the outer shell of the present invention; Figure 5 This is a three-dimensional cross-sectional view of the outer shell of the present invention; Figure 6 This is a partial structural diagram of the limiting mechanism of the present invention; Figure 7 This is a three-dimensional structural diagram of the limiting mechanism of the present invention; Figure 8 This is a partial cross-sectional view of the fixed partition structure of the present invention. Figure 1 ; Figure 9 This is a partial cross-sectional view of the fixed partition structure of the present invention. Figure 2 ; Figure 10 This is a three-dimensional cross-sectional view of the protective shell of the present invention; Figure 11 This is a three-dimensional sectional view of the connecting box of the present invention; Figure 12 This is a three-dimensional structural diagram of the stirring assembly of the present invention; Figure 13 This is a three-dimensional structural diagram of the power component of the present invention; Figure 14 This is a partial cross-sectional view of the connecting box of the present invention; Figure 15 This is a three-dimensional structural diagram of the pulley and belt of the present invention; Figure 16 This is a three-dimensional structural diagram of the limiting rod and connecting plate of the present invention; Figure 17This is a partial structural diagram of the limiting rod and connecting plate of the present invention; Figure 18 This is a three-dimensional cross-sectional view of the support leg structure of the present invention.

[0020] Explanation of reference numerals in the attached figures: 1. Outer shell; 2. Shell cover; 3. Control panel; 4. Fixed partition; 5. First lithium battery; 6. Support frame; 7. ID card reader; 8. Soil testing probe; 9. Contact rod; 10. First mounting cavity; 11. Limiting plate; 12. Limiting groove; 13. Second mounting cavity; 14. U-shaped frame; 15. Third mounting cavity; 16. First rotating rod; 17. First toothed roller; 18. First rack; 19. Second toothed roller; 20. Second rack; 21. Movable groove; 22. Fourth mounting cavity; 23. Connecting block; 24. Fixed rod; 25. First spring; 26. Power plug; 27. Connecting box; 28. Second lithium battery; 29. 30. Rotating frame; 31. First gear; 32. Second rotating rod; 33. Second gear; 34. Third rotating rod; 35. Connecting rod; 36. Stirring cone rod; 37. Third gear; 38. Fourth gear; 39. Adjusting plate; 40. Motor; 41. Fourth rotating rod; 42. Fifth gear; 43. First slide groove; 44. First slider; 45. Threaded rod; 46. Turntable; 47. Pulley; 48. Belt; 49. Protective shell; 50. Support leg; 51. Conical rod; 52. Magnetic block; 53. Second slide groove; 54. Second slider; 55. Limiting rod; 56. Limiting hole; 57. Connecting plate; 58. Second spring. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0022] This invention provides, for example Figures 1 to 4 and Figures 10 to 18 The portable, rapid-testing soil testing and fertilizer application machine shown includes: The outer shell 1 has a shell cover plate 2 hinged to its top. The front end of the outer shell 1 is connected to the front end of the shell cover plate 2 by a buckle. A fixed partition plate 4 is fixedly installed inside the outer shell 1. A first lithium battery 5 is installed at the bottom inside the outer shell 1 and is located on one side of the fixed partition plate 4. The control panel 3 is installed inside the outer shell 1. A support frame 6 is fixed inside the outer shell 1. The support frame 6 is located on the top of the first lithium battery 5. The control panel 3 is located on the top of the support frame 6. The control panel 3 is electrically connected to the first lithium battery 5. Limiting mechanisms are provided on both sides of the control panel 3. ID card reader 7 is installed inside the outer casing 1 and is located on the other side of the fixed partition 4; Soil testing probe 8 includes a soil nitrogen, phosphorus and potassium sensor and three contact rods 9. The soil nitrogen, phosphorus and potassium sensor is connected to the control panel 3 via a cable. Power plug 26 is connected to the first lithium battery 5.

[0023] A connecting box 27 is provided on one side of the outer casing 1. A second lithium battery 28 is provided inside the connecting box 27. A rotating frame 29 is rotatably connected to the bottom of the connecting box 27. A stirring assembly is provided inside the rotating frame 29. A first gear 30 is fixedly provided on the outer side of the top of the rotating frame 29. A second rotating rod 31 is rotatably connected to the bottom of the connecting box 27. The top of the second rotating rod 31 passes through the connecting box 27 and extends to the top of the connecting box 27. A second gear 32 is fixedly provided at the bottom of the second rotating rod 31. The second gear 32 meshes with the first gear 30. A third gear 36 is fixedly provided at the top of the second rotating rod 31. A power assembly is provided at the top of the connecting box 27.

[0024] The stirring assembly includes a third rotating rod 33 disposed inside the rotating frame 29. The top end of the third rotating rod 33 passes through the connecting box 27 and extends to the top of the connecting box 27. The third rotating rod 33 is rotatably connected to the connecting box 27. A connecting rod 34 is fixedly provided at the bottom end of the third rotating rod 33. A plurality of stirring cone rods 35 are fixedly provided at the bottom end of the connecting rod 34. A fourth gear 37 is fixedly provided at the top end of the third rotating rod 33. The fourth gear 37 and the third gear 36 are located on the same horizontal plane and are symmetrically distributed.

[0025] The power assembly includes an adjustment plate 38 located at the top of the connecting box 27. The adjustment plate 38 is positioned between the second rotating rod 31 and the third rotating rod 33. A motor 39 is fixedly mounted at the top of the adjustment plate 38. The motor 39 is electrically connected to the second lithium battery 28. A fourth rotating rod 40 is fixedly mounted on the output shaft of the motor 39. The bottom end of the fourth rotating rod 40 is rotatably connected to the top of the adjustment plate 38. A fifth gear 41 is fixedly mounted on the outer end of the fourth rotating rod 40. The fifth gear 41 meshes with the third gear 36. A protective shell 48 is fixedly mounted at the top of the connecting box 27. The third gear 36, the fourth gear 37, and the power assembly are all located inside the protective shell 48. Position adjustment components are located at the bottom of both ends of the adjustment plate 38.

[0026] The position adjustment assembly includes two first slide grooves 42 opened at the top of the connecting box 27. The first slide grooves 42 are provided with first sliders 43. The tops of the two first sliders 43 are fixedly connected to the bottoms of the two ends of the adjusting plate 38, respectively. A threaded rod 44 is rotatably connected inside the first slide grooves 42. One end of the threaded rod 44 passes through the first slider 43 and extends to the front end of the connecting box 27. The threaded rod 44 is threadedly connected to the first slider 43. The two threaded rods 44 are respectively located on both sides of the second rotating rod 31. One end of one threaded rod 44 is fixedly provided with a turntable 45, and the other end of the threaded rod 44 is fixedly provided with a pulley 46. The pulley 46 is located between the turntable 45 and the connecting box 27. The two pulleys 46 are connected by a belt 47.

[0027] The bottom of the outer shell 1 is provided with four support legs 49. The inner side of the top of the support leg 49 is connected to the bottom of the outer shell 1 by a hinge. The bottom of the support leg 49 is fixedly provided with a tapered rod 50. The inner side of the bottom of the support leg 49 and the bottom of the outer shell 1 are fixedly provided with corresponding magnetic blocks 51.

[0028] A second slide groove 52 is provided on one side of the outer shell 1 and on the outer side of the two support legs 49 located at the bottom of the connecting box 27. A second slider 53 is provided inside the second slide groove 52. One side of the two second sliders 53 is fixedly connected to one side of the connecting box 27. Each of the two second sliders 53 has a limiting rod 54 on one side of its top end. The second slide groove 52 has two limiting holes 55. One end of the limiting rod 54 passes through the second slider 53 and extends into one of the limiting holes 55. The other end of the two limiting rods 54 is fixedly provided with a connecting plate 56. The outer end of the limiting rod 54 is fitted with a second spring 57. The two ends of the second spring 57 are fixedly connected to the inner side of the connecting plate 56 and one side of the second slider 53, respectively.

[0029] The soil testing and fertilizer recommendation system, used in conjunction with the control panel of claim 1, includes: The detection module is used to detect the content of available nitrogen, available phosphorus, and available potassium in the soil. The detection module is a soil nitrogen, phosphorus, and potassium sensor, which detects the content of nitrogen, phosphorus, and potassium in the soil by measuring the soil conductivity. The collection module is used to collect the data detected by the detection module. The processing and calculation module is used to process the collected data and calculate the amount of fertilizer to be applied. The storage module is used to store various fertilizer information and various crop information. The fertilizer information in the storage module includes the fertilizer type, price, and nitrogen, phosphorus, and potassium content, while the crop information in the storage module includes the type of crop and the required nitrogen, phosphorus, and potassium content of the fertilizer. The display module is a touch screen and is used to display data and information. The identity verification module is used to verify the identity of farmers. The identity verification module is an ID card reader 7. The ID card reader 7 can find the current soil data and the soil data calculated in the current year. The soil data measured by farmers every year is permanently stored in the system's storage module and simultaneously uploaded to the cloud. The management module manages the backend data of multiple integrated machines. It can retrieve information such as the measurement time, farmer name, land name, number of measured fields, crop, soil fertility level, fertilizer application level, yield level, promotion area, fertilizer cost per acre, and number of fertilizer recommendation cards issued for each machine. It can export fertilizer recommendation cards, soil nutrient analysis charts, and statistical summary tables, and perform averaging, totaling, statistics, and printing using Excel spreadsheets. Through this function, superiors can grasp the usage of subordinate units and users, mainly providing first-hand basic data for leadership decision-making. It can monitor whether users use the machines after purchase, view the number of machines purchased and the number of measured fields in the unit, control the fertilizer structure from a macro perspective, and guide farmers in scientific fertilization techniques from a micro perspective. The connection and transmission module is used to connect external USB flash drives and printing devices; The mobile terminal is a mobile phone or other mobile device. The mobile terminal is bound to the integrated machine. When the farmer calculates the amount of fertilizer on the integrated machine, he enters the farmer's ID number or mobile phone number. The farmer's mobile phone can then receive the fertilizer information for that field calculated by the integrated machine. Remote terminals are used for remote control, remote technical guidance, and remote troubleshooting.

[0030] Before conducting soil testing, the integrated machine is taken to the field to be tested. The four support legs 49 on the machine are extended vertically. Then, the cone rods 50 at the bottom of the support legs 49 are inserted into the soil. The connecting plate 56 is pulled outwards, causing the two limiting rods 54 to move outwards and stretch the second spring 57. When one end of the limiting rod 54 leaves the limiting hole 55, the connecting box 27 moves downwards. When the bottom of the rotating frame 29 contacts the soil, the motor 39 is started. The output shaft of the motor 39 drives the fourth rotating rod 40 to rotate. Rotating rod 40 drives fifth gear 41 to rotate, fifth gear 41 drives third gear 36 to rotate, third gear 36 drives second rotating rod 31 and second gear 32 to rotate, second gear 32 drives first gear 30 and rotating frame 29 to rotate, rotating frame 29 moves into the soil as it rotates, and stirring cone rod 35 inside rotating frame 29 also inserts into the soil. When one end of limiting rod 54 moves to the outside of another limiting hole 55, limiting rod 54 will be inserted into the limiting hole 55 on support leg 49 under the elastic force of second spring 57. At this time, the turntable 45 is rotated, which drives a threaded rod 44 to rotate. The threaded rod 44 drives another threaded rod 44 to rotate through the pulley 46 and belt 47. Since the threaded rod 44 is threadedly connected to the first slider 43, the first slider 43 moves closer to the third rotating rod 33 as the threaded rod 44 rotates. The third rotating rod 33 drives the adjusting plate 38 and the motor 39 to move closer to the fourth gear 37. The adjusting plate 38 drives the fifth gear 41 to mesh with the fourth gear 37. Thus, when the fifth gear 41 rotates, it drives the fourth gear 37 to rotate. The fourth gear 37 drives the third rotating rod 33 and the connecting rod 34 to rotate. The connecting rod 34 drives multiple stirring cone rods 35 to rotate. The multiple rotating stirring cone rods 35 will stir and break the soil inside the rotating frame 29. The connecting box 27 is moved upward, and then water is added into the stirred soil until the soil becomes a sticky paste. Insert the end of the contact rod 9 into the soil. After 2 seconds, the soil nitrogen, phosphorus and potassium sensor on the soil probe 8 will detect the nitrogen, phosphorus and potassium content in the soil. Conventional testing uses the intensity of blue and red light sources to identify the level of soil fertility. This is existing technology and will not be elaborated here. The blue and red light sources are converted from electrical energy. Based on this basic principle, the intensity of the light source color is converted into soil conductivity. By detecting the soil conductivity, the level of soil fertility can be identified. And by the relationship between soil conductivity and nitrogen, phosphorus and potassium, the level of nitrogen, phosphorus and potassium content in the soil can be deduced, thus realizing the function of soil testing. Moreover, the accuracy of the detected data is relatively high. After the soil testing probe 8 detects available nitrogen, phosphorus, and potassium in the soil, it transmits the data to the collection module on the control panel 3. At this point, the desired crop variety can be retrieved from the storage module. The required nitrogen, phosphorus, and potassium fertilizer amounts for the crop variety, along with the soil nitrogen, phosphorus, and potassium content from the collection module, are then transmitted to the processing and calculation module. The processing and calculation module calculates the required nitrogen, phosphorus, and potassium fertilizer amounts for the crop based on a formula. It then retrieves fertilizer data from the storage module, calculates the required fertilizer amount based on the nitrogen, phosphorus, and potassium content, and finally determines the amount based on the fertilizer price. The soil testing and planting area are used to calculate the fertilization cost, which can then help farmers select the optimal fertilization plan and provide them with a soil testing and fertilizer recommendation card. The soil testing and fertilizer recommendation card includes eight functions, including all the parameters detected and calculated above, fertilizer application rate per acre, total fertilizer application rate, fertilizer cost per acre, total fertilizer cost, and fertilization ratio and total fertilizer application rate throughout the entire growth period. This soil testing and fertilizer recommendation can be transmitted to a USB flash drive via a connection to a transmission module, printed via a connection to a printing device, or sent to the farmer's mobile terminal via SMS by entering the farmer's mobile phone number.

[0031] This invention, by inserting the contact rod 9 into moistened soil, can detect the nitrogen, phosphorus, and potassium content in the soil within 2 seconds. The detection data has high accuracy, the detection process is simple and convenient, the detection efficiency is high, and the detection cost is greatly reduced. Combined with the soil testing and fertilizer recommendation system on the control panel 3, it calculates the fertilizer dosage, allowing farmers to directly receive scientific fertilization advice, avoiding fertilizer waste and reducing environmental pollution caused by improper fertilization. This greatly expands the scope of soil testing and fertilizer recommendation. Specifically, this invention addresses the problem in existing technologies where farmers mostly rely on experience for fertilization during crop cultivation. This fertilization method is not scientific, easily leading to fertilizer waste, and excessive fertilization can easily cause environmental pollution. In some areas, farmers collect soil samples and bring them to the laboratory for testing to detect the nitrogen, phosphorus, and potassium content in the soil. However, this method requires multiple steps, takes a long time, and is costly, resulting in low farmer enthusiasm for testing and hindering the widespread implementation of soil testing and fertilizer recommendation.

[0032] This invention provides, for example Figures 3 to 9 The portable, rapid-testing soil testing and fertilizer application integrated machine shown includes a limiting mechanism comprising a first mounting cavity 10 located on one side of the outer shell 1 and the other side of the fixed partition 4. A limiting plate 11 is provided inside the first mounting cavity 10. Limiting grooves 12 are provided on both sides of the control panel 3, with one end of each limiting plate 11 extending into the two limiting grooves 12. A second mounting cavity 13 is provided at the top of one side of the outer shell 1 and at the top of the fixed partition 4. The second mounting cavity 13 is perpendicular to and communicates with the interior of the first mounting cavity 10. A U-shaped frame 14 is provided inside the second mounting cavity 13. A third mounting cavity 15 is provided at the top of the interior of the first mounting cavity 10. The first rotating rod 16 is rotatably connected inside the three mounting cavities 15. A first toothed roller 17 is fixedly provided at the middle of the outer end of the first rotating rod 16. A first rack 18 is fixedly provided at the middle of the top of the limiting plate 11. The first toothed roller 17 and the first rack 18 mesh with each other. A second toothed roller 19 is fixedly provided on the outer side of both ends of the first rotating rod 16. A second rack 20 is fixedly provided on the inner side of both ends of the U-shaped frame 14. The second toothed roller 19 and the second rack 20 mesh with each other. Two movable grooves 21 are opened at the top of the limiting plate 11. The two movable grooves 21 are respectively located on the front and rear sides of the first rack 18. The bottom of both ends of the U-shaped frame 14 passes through the interior of the two movable grooves 21 respectively. Two fourth mounting cavities 22 are opened inside the second mounting cavity 13. Two connecting blocks 23 are fixedly provided on the inner side of the top of the U-shaped frame 14. The connecting blocks 23 are located inside the fourth mounting cavity 22. A fixing rod 24 is fixedly provided inside the fourth mounting cavity 22. The top of the fixing rod 24 passes through the connecting block 23. A first spring 25 is sleeved on the outer end of the fixing rod 24. The two ends of the first spring 25 are fixedly connected to the bottom end of the connecting block 23 and the bottom end of the fourth mounting cavity 22, respectively.

[0033] When maintenance and repair of the control panel 3 are required, the two U-shaped frames 14 are pressed down. The U-shaped frames 14 drive the connecting block 23 and the second rack 20 to move downward. The connecting block 23 compresses the first spring 25. The second rack 20 drives the second toothed roller 19 to rotate. The second toothed roller 19 drives the first rotating rod 16 and the first toothed roller 17 to rotate. The first toothed roller 17 drives the first rack 18 to move outward. The first rack 18 drives the limiting plate 11 to move outward. One end of the limiting plate 11 leaves the limiting groove 12 on the control panel 3. In this way, the limiting plate 11 releases the limiting of the control panel 3. The control panel 3 can be taken out from the inside of the outer shell 1, and then the control panel 3 can be maintained and repaired. The present invention uses a limiting mechanism to limit and fix the control panel 3 inside the outer shell 1, which makes the installation and fixing of the control panel 3 simple and convenient. It also facilitates the disassembly of the control panel 3, making the maintenance and repair of the control panel 3 more convenient and practical.

[0034] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A portable, rapid-testing soil testing and fertilizer application integrated machine, characterized in that, include: The outer shell (1) has a shell cover plate (2) hinged to its top end. The front end of the outer shell (1) is connected to the front end of the shell cover plate (2) by a buckle. A fixed partition plate (4) is fixedly provided inside the outer shell (1). A first lithium battery (5) is provided at the bottom inside the outer shell (1). The first lithium battery (5) is located on one side of the fixed partition plate (4). The control panel (3) is installed inside the outer shell (1). A support frame (6) is fixedly provided inside the outer shell (1). The support frame (6) is located on the top of the first lithium battery (5). The control panel (3) is located on the top of the support frame (6). The control panel (3) is electrically connected to the first lithium battery (5). Limiting mechanisms are provided on both sides of the control panel (3). ID card reader (7), the ID card reader (7) is installed inside the outer shell (1), and the ID card reader (7) is located on the other side of the fixed partition (4); Soil testing probe (8), the soil testing probe (8) includes a soil nitrogen, phosphorus and potassium sensor and three contact rods (9), the soil nitrogen, phosphorus and potassium sensor is connected to the control panel (3) by a cable; A power plug (26) is connected to a first lithium battery (5).

2. The portable, rapid-testing soil testing and fertilizer application integrated machine according to claim 1, characterized in that: The limiting mechanism includes a first mounting cavity (10) opened on one side of the outer shell (1) and one side of the fixed partition (4). A limiting plate (11) is provided inside the first mounting cavity (10). Limiting grooves (12) are opened on both sides of the control panel (3). One end of each of the two limiting plates (11) extends into the two limiting grooves (12). A second mounting cavity (13) is opened at the top of one side of the outer shell (1) and at the top of the fixed partition (4). The second mounting cavity (13) is perpendicular to the first mounting cavity (10) and communicates with the inside of the first mounting cavity (10). A U-shaped frame (14) is provided inside the second mounting cavity (13). A third mounting cavity (15) is opened at the top of the inside of the first mounting cavity (10). The third mounting cavity (15) is located inside the first mounting cavity (10). A first rotating rod (16) is rotatably connected. A first toothed roller (17) is fixedly provided at the middle of the outer end of the first rotating rod (16). A first rack (18) is fixedly provided at the middle of the top end of the limiting plate (11). The first toothed roller (17) and the first rack (18) mesh with each other. A second toothed roller (19) is fixedly provided at the outer ends of both ends of the first rotating rod (16). A second rack (20) is fixedly provided at the inner sides of both ends of the U-shaped frame (14). The second toothed roller (19) and the second rack (20) mesh with each other. Two movable grooves (21) are opened at the top of the limiting plate (11). The two movable grooves (21) are respectively provided on the front and rear sides of the first rack (18). The bottom ends of both ends of the U-shaped frame (14) pass through the interior of the two movable grooves (21). Two fourth mounting cavities (22) are opened inside the second mounting cavity (13). Two connecting blocks (23) are fixedly provided on the inner side of the top of the U-shaped frame (14). The connecting blocks (23) are located inside the fourth mounting cavity (22). A fixing rod (24) is fixedly provided inside the fourth mounting cavity (22). The top of the fixing rod (24) passes through the connecting block (23). A first spring (25) is sleeved on the outer end of the fixing rod (24). The two ends of the first spring (25) are fixedly connected to the bottom end of the connecting block (23) and the bottom end of the fourth mounting cavity (22) respectively.

3. The portable, rapid-testing soil testing and fertilizer application integrated machine according to claim 1, characterized in that: A connecting box (27) is provided on one side of the outer shell (1). A second lithium battery (28) is provided inside the connecting box (27). A rotating frame (29) is rotatably connected to the bottom of the connecting box (27). A stirring assembly is provided inside the rotating frame (29). A first gear (30) is fixedly provided on the outer side of the top of the rotating frame (29). A second rotating rod (31) is rotatably connected to the bottom of the connecting box (27). The top of the second rotating rod (31) passes through the connecting box (27) and extends to the top of the connecting box (27). A second gear (32) is fixedly provided at the bottom of the second rotating rod (31). The second gear (32) meshes with the first gear (30). A third gear (36) is fixedly provided at the top of the second rotating rod (31). A power assembly is provided at the top of the connecting box (27).

4. The portable, rapid-testing soil testing and fertilizer application integrated machine according to claim 3, characterized in that: The stirring assembly includes a third rotating rod (33) disposed inside the rotating frame (29). The top end of the third rotating rod (33) passes through the connecting box (27) and extends to the top of the connecting box (27). The third rotating rod (33) is rotatably connected to the connecting box (27). A connecting rod (34) is fixedly provided at the bottom end of the third rotating rod (33). A plurality of stirring cone rods (35) are fixedly provided at the bottom end of the connecting rod (34). A fourth gear (37) is fixedly provided at the top end of the third rotating rod (33). The fourth gear (37) and the third gear (36) are located on the same horizontal plane and are symmetrically distributed.

5. The portable, rapid-testing soil testing and fertilizer application integrated machine according to claim 4, characterized in that: The power assembly includes an adjustment plate (38) located at the top of the connecting box (27). The adjustment plate (38) is located between the second rotating rod (31) and the third rotating rod (33). A motor (39) is fixedly mounted at the top of the adjustment plate (38). The motor (39) is electrically connected to the second lithium battery (28). A fourth rotating rod (40) is fixedly mounted on the output shaft of the motor (39). The bottom end of the fourth rotating rod (40) is rotatably connected to the top of the adjustment plate (38). A fifth gear (41) is fixedly mounted on the outer end of the fourth rotating rod (40). The fifth gear (41) meshes with the third gear (36). A protective shell (48) is fixedly mounted at the top of the connecting box (27). The third gear (36), the fourth gear (37), and the power assembly are all located inside the protective shell (48). Position adjustment components are provided at the bottom of both ends of the adjustment plate (38).

6. The portable, rapid-testing soil testing and fertilizer application integrated machine according to claim 5, characterized in that: The position adjustment assembly includes two first slide grooves (42) opened at the top of the connecting box (27). The first slide grooves (42) are provided with first sliders (43). The tops of the two first sliders (43) are respectively fixedly connected to the bottom of both ends of the adjustment plate (38). A threaded rod (44) is rotatably connected inside the first slide grooves (42). One end of the threaded rod (44) passes through the first slider (43) and extends to the front end of the connecting box (27). The threaded rod (44) is threadedly connected to the first slider (43). The two threaded rods (44) are respectively located on both sides of the second rotating rod (31). One end of one of the threaded rods (44) is fixedly provided with a turntable (45). One end of the threaded rod (44) is fixedly provided with a pulley (46). The pulley (46) is located between the turntable (45) and the connecting box (27). The two pulleys (46) are connected by a belt (47).

7. The portable, rapid-testing soil testing and fertilizer application integrated machine according to claim 3, characterized in that: The bottom of the outer shell (1) is provided with four support legs (49). The inner side of the top of the support leg (49) is connected to the bottom of the outer shell (1) by a hinge. The bottom of the support leg (49) is fixedly provided with a cone rod (50). The inner side of the bottom of the support leg (49) and the bottom of the outer shell (1) are fixedly provided with corresponding magnetic blocks (51).

8. The portable, rapid-testing soil testing and fertilizer application integrated machine according to claim 7, characterized in that: A second slide groove (52) is provided on one side of the outer shell (1) and on the outside of the two support legs (49) located at the bottom of the connecting box (27). A second slider (53) is provided inside the second slide groove (52). One side of the two second sliders (53) is fixedly connected to one side of the connecting box (27). Each of the two second sliders (53) has a limiting rod (54) on one side of its top end. The second slide groove (52) has two limiting holes (55) inside. One end of the limiting rod (54) passes through the second slider (53) and extends into one of the limiting holes (55). The other end of the two limiting rods (54) is fixedly provided with a connecting plate (56). The outer end of the limiting rod (54) is fitted with a second spring (57). The two ends of the second spring (57) are fixedly connected to the inner side of the connecting plate (56) and one side of the second slider (53), respectively.

9. A soil testing and fertilizer recommendation system, characterized in that, The soil testing and fertilizer recommendation system is used in conjunction with the control panel of claim 1, including: The detection module is used to detect the content of available nitrogen, available phosphorus and available potassium in the soil; The collection module is used to collect the data detected by the detection module; A processing and calculation module is used to process the collected data and calculate the amount of fertilizer to be applied. The storage module is used to store various fertilizer data and various crop data; The display module is a touch screen, and the display module is used to display data and information; An identity verification module, used to verify the farmer's identity; The management module is used to manage the backend data of multiple all-in-one machines; A connection and transmission module is used to connect to an external USB flash drive and a printing device; Mobile terminal, wherein the mobile terminal is a mobile phone or other mobile device; A remote terminal, which is used for remote control, remote technical guidance, and remote troubleshooting.

10. A soil testing and fertilizer recommendation system according to claim 9, characterized in that: The detection module is a soil nitrogen, phosphorus, and potassium sensor, which detects the nitrogen, phosphorus, and potassium content in the soil by measuring the soil conductivity.

11. A soil testing and fertilizer recommendation system according to claim 9, characterized in that: The fertilizer data in the storage module includes the fertilizer type, price, and nitrogen, phosphorus, and potassium content, while the crop data in the storage module includes the crop type and the required nitrogen, phosphorus, and potassium content in the fertilizer.

12. A soil testing and fertilizer recommendation system according to claim 9, characterized in that: The identity verification module is an ID card reader (7), which can retrieve the farmer's current soil data and the soil data calculated in the current year.

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