Soil alkaline hydrolysis nitrogen-containing test prediction system
Technical Field
The invention relates to the technical field, in particular to a soil alkaline hydrolysis nitrogen-containing test prediction system.
Background
In soil testing, a hydrolysis method is often adopted to artificially measure the effective nitrogen in the soil, and the testing method has the problems of multiple operation steps, long waiting time, high working strength, low efficiency and the like; repeated and tedious identification work tends to leave the person tired, and some operations and judgments may be performed erroneously; in addition, the subjective judgment of people has great influence on the result, and the standards cannot be unified.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a soil alkaline hydrolysis nitrogen-containing test prediction system.
The invention provides a soil alkaline hydrolysis nitrogen-containing test prediction system, which comprises: the device comprises a support frame, a placing frame, a lifting table, a feeding mechanism, a cover uncovering mechanism, a weighing module, a rotating mechanism and a control module;
the placing frame is arranged on the supporting frame, and a station for placing the diffusion vessel is arranged on the placing frame; the rotating mechanism is arranged on the support frame and used for driving the diffusion vessel on the station to rotate;
the lifting platform is arranged on the support frame in a vertically moving mode, a first rotating shaft is arranged on the lifting platform, and the feeding mechanism and the cover uncovering mechanism are both arranged on the first rotating shaft and rotate along with the first rotating shaft; the first rotating shaft is connected with a first driving mechanism for driving the first rotating shaft to rotate, and the lifting platform is connected with a second driving mechanism for driving the lifting platform to move up and down;
the feeding mechanism is used for adding test materials into an outer chamber and/or an inner chamber of the diffusion vessel on the station, and the cover uncovering mechanism is used for lifting or putting down a cover of the diffusion vessel on the station;
the weighing module is arranged on the support frame and positioned below the station, and is used for measuring the weight of the diffusion vessel on the station;
the control module is respectively connected with the weighing module, the first driving mechanism, the feeding mechanism and the uncovering mechanism; the control module is used for driving the first rotating shaft to rotate through the first driving mechanism so as to switch the positions of the feeding mechanism and the uncovering mechanism, and is used for controlling the feeding mechanism to work according to weighing data of the weighing module.
Preferably, the first rotating shaft is provided with a first position and a second position in the downward moving state of the lifting table, and the control module is used for controlling the feeding mechanism to add test materials into the outer chamber and/or the inner chamber of the diffusion vessel on the station in the state of the first position; and in the second position state, the control module is used for controlling the cover uncovering mechanism to lift or put down the cover of the diffusion dish on the station.
Preferably, the feeding mechanism is provided with a plurality of discharging units for storing different testing materials and controlling discharging, and the control module is used for controlling the working time and the working sequence of each discharging unit according to a preset material preparation mode and the detection data of the weighing module.
Preferably, each discharging unit is provided with a discharging valve, and the control module is used for controlling the discharging units to work by controlling the switches of the discharging valves.
Preferably, the support frame is provided with a guide rail, and the lifting platform is installed on the guide rail in a vertically sliding manner.
Preferably, the placing frame is provided with a groove, a rotary table is rotatably mounted in the groove, the rotary table is provided with a clamping groove matched with the diffusion vessel, the bottom of the rotary table is provided with a driven gear, and the rotary table is synchronously and rotatably connected with the driven gear; the rotating mechanism is used for driving the driven gear to rotate.
Preferably, the driven gear is located below the placing frame.
Preferably, the rotating mechanism comprises a motor and a driving wheel, the driving wheel is mounted on the motor, and the driving wheel is meshed with the driven gear.
Preferably, each cover body is provided with an adsorption magnet, the cover uncovering mechanism is provided with an electromagnet matched with the adsorption magnet, and the cover uncovering mechanism lifts or puts down the cover body by controlling the electromagnet to be switched on or off.
Preferably, the device also comprises a color acquisition module, wherein the color acquisition module is arranged on the support frame and is used for acquiring the color in the diffusion vessel on the station.
According to the soil alkaline-hydrolysis nitrogen-containing test prediction system, the diffusion vessel on the placement frame is driven to rotate by the rotary support, and when test materials are added into the diffusion vessel, the diffusion vessel is driven by the rotary support, so that the test materials can be uniformly distributed along the circumferential direction of the diffusion vessel, and the materials can be uniformly paved outside the diffusion vessel in a room.
According to the invention, the feeding and uncovering are integrated into one system, so that the automatic feeding in the soil detection process is realized, and the adding amount of each test material in the diffusion vessel is accurately controlled through the control module and the weighing module. Firstly, the accuracy and the time for adding test materials in the soil test are ensured; compared with manual operation, the efficiency is improved, the possibility of errors is reduced, and the labor cost is saved.
Drawings
FIG. 1 is a structural diagram of a soil alkaline hydrolysis nitrogen-containing test prediction system provided by the invention;
FIG. 2 is a view of the structure of the elevating platform of FIG. 1;
fig. 3 is a structural diagram of the feeding mechanism and the uncovering mechanism in fig. 1.
Reference numerals: the method comprises the following steps of 1-supporting frame, 2-placing frame, 3-lifting table, 4-feeding mechanism, 5-uncovering mechanism, 6-weighing module, 7-rotating mechanism, 8-first rotating shaft and 9-sliding rail.
Detailed Description
Referring to fig. 1, the invention provides a soil alkaline hydrolysis nitrogen-containing test prediction system, which comprises: the device comprises a support frame 1, a placing frame 2, a lifting table 3, a feeding mechanism 4, a cover uncovering mechanism 5, a weighing module 6, a rotating mechanism 7 and a control module.
The placing frame 2 is arranged on the supporting frame 1, and a station for placing the diffusion vessel A is arranged on the placing frame 2. The rotating mechanism 7 is arranged on the support frame 1, and the rotating mechanism 7 is used for driving the diffusion dish A on the station to rotate. When adding test materials in the diffusion ware, through rotary mechanism drive diffusion ware, can guarantee test materials along diffusion ware circumference evenly distributed to evenly spread the material outside to the diffusion ware in the room.
Elevating platform 3 is installed on support frame 1 with reciprocating, is equipped with first pivot on the elevating platform 3, and reinforced mechanism 4 all installs on first pivot 8 and follows first pivot 8 rotations with taking off lid mechanism 5. The first rotating shaft 8 is connected with a first driving mechanism for driving the first rotating shaft to rotate, and the lifting platform 3 is connected with a second driving mechanism for driving the lifting platform to move up and down. Specifically, in the present embodiment, the support frame 1 is provided with the guide rail 9, and the elevating platform 3 is slidably mounted on the guide rail 9 in the up-down direction, so that the friction force is reduced and the stability of the elevating platform in the up-down direction is improved.
Specifically, in this embodiment, in the state that the lifting platform 3 moves down, the first rotating shaft 8 is provided with a first position and a second position, and in the state of the first position, the control module is used for controlling the feeding mechanism to feed the test material to the outer chamber and/or the inner chamber of the diffusion dish a on the station. In the second position, the control module is used for controlling the cover uncovering mechanism 5 to lift or put down the cover of the diffusion dish A on the station. Under the 3 state that shift up of elevating platform, can conveniently install or dismantle diffusion ware A on the rack 2.
The feeding mechanism 4 is used for adding test materials to the outer chamber and/or the inner chamber of the diffusion dish A on the station. Specifically, in this embodiment, the feeding mechanism 4 is provided with a plurality of discharging units for storing different testing materials and controlling discharging, and the control module is configured to control the working time and the working sequence of each discharging unit according to a preset material preparation mode and the detection data of the weighing module. Specifically, each discharging unit is provided with a discharging valve, and the control module is used for controlling the discharging units to work by controlling the switches of the discharging valves.
The cover lifting mechanism 5 is used for lifting or lowering the cover of the diffusion dish A on the station.
The weighing module 6 is arranged on the support frame 1 and is positioned below the station, and the weighing module 6 is used for measuring the weight of the diffusion dish A on the station.
The control module is respectively connected with the weighing module 6, the first driving mechanism, the feeding mechanism 4 and the uncovering mechanism 5. The control module is used for driving the first rotating shaft 8 to rotate through the first driving mechanism so as to switch the positions of the feeding mechanism 4 and the uncovering mechanism 5, and is used for controlling the feeding mechanism to work according to the weighing data of the weighing module 6.
Specifically, in this embodiment, the above system is further explained in conjunction with the measurement of alkaline-hydrolyzable nitrogen.
Specifically, in the present embodiment, first, the lifting table 3 is moved upward, and the diffusion dish is mounted on the placing frame 2; then the lifting platform 3 moves downwards, the control module drives the first rotating shaft 8 to realize a second position state, the cover of the diffusion vessel is lifted by the cover lifting mechanism 5 and then switched to the first position state, and the rotating mechanism 7 drives the diffusion vessel to rotate; controlling a feeding mechanism to lay a layer of soil sample on an outer chamber of the diffusion vessel A, laying a layer of zinc-ferrous sulfate on the soil sample, adding a reagent into an inner chamber of the diffusion vessel, and then adding sodium hydroxide into an outer chamber; controlling the first rotating shaft 8 to return to the second position state, controlling the cover uncovering mechanism 5 to cover the diffusion dish A again, and then returning the lifting platform 3 to the upward moving state; the control module then follows the preset time to control the rotating mechanism 7 to enable the diffusion vessel A to continuously rotate so that the soil sample and the solution are completely mixed. In the feeding process of the feeding mechanism 4, the control module follows the weighing module to weigh and detect the addition amount of various test materials in real time, and when the test materials reach the preset corresponding weight value, the feeding of the current test materials is stopped.
Specifically, in this embodiment, each cover body is provided with an attracting magnet, the cover opening mechanism 5 is provided with an electromagnet cooperating with the attracting magnet, and the cover opening mechanism 5 opens or closes the cover body by controlling the electromagnet to be turned on or off.
In a further embodiment of the invention, a groove is arranged on the placing rack 2, a rotary table is rotatably arranged in the groove, a clamping groove matched with the diffusion vessel A is arranged on the rotary table, a driven gear is arranged at the bottom of the rotary table, and the rotary table is synchronously and rotatably connected with the driven gear. The rotating mechanism 7 is used for driving the driven gear to rotate. Specifically, in order to facilitate the installation of the rotating mechanism 7, the driven gear is located below the placing frame 2, so that the rotating mechanism 7 is installed below the placing frame 2, the space is reasonably utilized, and the compact structure of the prediction system is improved. Specifically, in this embodiment, the rotating mechanism 7 includes a motor and a driving wheel, the driving wheel is mounted on the motor, and the driving wheel is engaged with the driven gear.
In a further embodiment of the invention, the device further comprises a color acquisition module, wherein the color acquisition module is installed on the support frame 1 and is used for acquiring the color in the diffusion vessel on the station.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.