CN114271081A - Fertile device is annotated to portable liquid fertilizer automatic mixing - Google Patents
Fertile device is annotated to portable liquid fertilizer automatic mixing Download PDFInfo
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- CN114271081A CN114271081A CN202111604592.4A CN202111604592A CN114271081A CN 114271081 A CN114271081 A CN 114271081A CN 202111604592 A CN202111604592 A CN 202111604592A CN 114271081 A CN114271081 A CN 114271081A
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Abstract
The application discloses a mobile liquid fertilizer automatic mixing and injecting device, which comprises a mobile frame, a mixed fertilizer injecting system and a control system; the mixed fertilizer injection system comprises a fertilizer liquid barrel, a clear water barrel, a mixing box, an adjustable-speed stirrer and a fertilizer injection pump, and the control system comprises a control box, a controller, a display panel, a single chip microcomputer, a liquid level wireless receiver and a pressure sensor; the first electromagnetic valve and the second electromagnetic valve are electrically connected with the single chip microcomputer, the plurality of liquid level meters transmit data to the single chip microcomputer through the liquid level wireless receiver, and the single chip microcomputer controls the first electromagnetic valve and the second electromagnetic valve to simultaneously perform mixing control on the plurality of fertilizers according to the concentration and the injection amount preset by the controller; the pressure sensor is electrically connected with the single chip microcomputer through the signal conditioning circuit, and the single chip microcomputer collects data of the pressure sensor and adjusts the rotating speed of the adjustable-speed stirrer based on a PID algorithm. The fertilizer injection device can simultaneously perform constant-pressure mixed fertilization on multiple fertilizer liquids to realize more efficient and more convenient fertilization.
Description
Technical Field
The application relates to a fertile equipment technical field is annotated to constant pressure, concretely relates to fertile device is annotated in portable liquid fertilizer automatic mixing.
Background
At present, liquid fertilizers are more and more concerned by people due to the characteristics of low production cost, high nutrient content, easy compounding, capability of being directly absorbed by crops, convenience for formulated fertilization and convenience for mechanized fertilization. The existing irrigation and fertilization modes comprise a mechanical injection type, a hydraulic drive proportional fertilization pump, a differential pressure fertilization tank, a Venturi fertilizer applicator and the like. Above-mentioned fertigation mode is difficult to realize automated control except that mechanical injection formula, and can only fertilize in real time to single fertilizer solution or nutrient solution, if will administer multiple fertilizer solution or nutrient solution, reaches fertile effect is annotated to the constant pressure, can only carry out or mix multiple fertilizer solution or nutrient solution through the manual work in advance in the timesharing, wastes time and energy, causes the waste of premixing fertilizer solution easily.
In conclusion, the existing constant-pressure fertilizer injection field has the defects that the cost performance is not high and the automatic control is difficult to achieve.
Disclosure of Invention
To the problem that exists among the prior art, this application provides a can mix fertile device is annotated to constant voltage that fertilizies to multiple liquid fertilizer simultaneously to more high efficiency and more convenient mode are fertilizied.
In order to realize above-mentioned purpose, the application provides a fertile device is annotated in portable liquid fertilizer automatic mixing includes: the device comprises a movable frame, a mixed fertilizer injection system and a control system;
the mixed fertilizer injection system comprises a fertilizer barrel, a clear water barrel, a mixing box, an adjustable rotating speed stirrer and a fertilizer injection pump, wherein the mixing box is fixedly arranged at the lower part in a movable frame, the fertilizer barrel is multiple, the clear water barrel and a plurality of fertilizer barrels are fixedly arranged at the upper part in the movable frame, the infusion ends of the clear water barrel and the infusion ends of the fertilizer barrels are communicated with the liquid inlet end of the mixing box, the infusion end of the fertilizer barrel is provided with a first electromagnetic valve, the infusion end of the clear water barrel is provided with a second electromagnetic valve, liquid level meters are arranged in the fertilizer barrels and the clear water barrel, the liquid inlet end of the fertilizer injection pump is connected with the infusion end of the mixing box, the infusion end of the fertilizer injection pump is used for outputting fertilizer outwards, the power assembly of the adjustable rotating speed stirrer is arranged at the outer side of the mixing box, and the stirring assembly of the adjustable rotating speed stirrer can be rotatably arranged in the mixing box;
the control system comprises a control box, a controller, a display panel, a single chip microcomputer, a liquid level wireless receiver and a pressure sensor;
the control box is fixedly arranged at the upper part in the movable frame, the single chip microcomputer is arranged in the control box, the display panel, the liquid level wireless receiver and the controller are arranged on the surface of the control box, the first electromagnetic valve and the second electromagnetic valve are electrically connected with the single chip microcomputer through an electromagnetic valve driving circuit, the plurality of liquid level meters transmit data to the single chip microcomputer through the liquid level wireless receiver, the single chip microcomputer controls the first electromagnetic valve and the second electromagnetic valve to simultaneously perform mixing control on a plurality of fertilizers according to the concentration and the injection amount preset by the controller based on a PWM (pulse width modulation) principle, and displays the mixed data on the display panel through the display circuit;
the pressure sensor is arranged on a liquid conveying pipeline of the fertilizer injection pump and is electrically connected with the single chip microcomputer through the signal conditioning circuit, and the single chip microcomputer collects data of the pressure sensor and adjusts the rotating speed of the adjustable-speed stirring machine based on a PID algorithm.
In the above technical solution, the present application may further be modified as follows:
the adjustable speed mixer includes: inverter motor, transmission main shaft, splint body and stirring vane, inverter motor sets firmly in the outside of mixing box, inverter motor's output transmission is connected with the transmission main shaft that rotatable axial runs through the mixing box, the axial of transmission main shaft evenly has set firmly a plurality of splint bodies, every the splint body all radially runs through along the transmission main shaft and is provided with stirring vane.
Preferably, stirring vane includes puddler and stirring piece, the fixed one end that runs through the splint body in middle part of puddler, the both ends of puddler are equipped with the stirring piece respectively.
Preferably, two adjacent stirring blades are arranged in a vertically staggered manner.
Preferably, still including installing in the cooling fan who removes the frame lateral wall, cooling fan's defeated wind end is to inverter motor and notes fertile pump.
Preferably, still including installing pressure buffer tank and the check valve on the infusion pipeline of annotating the fertile pump, the check valve is located the top of the infusion pipeline of annotating the fertile pump, pressure sensor is located the middle part of the infusion pipeline of annotating the fertile pump, pressure buffer tank is located between check valve and the pressure sensor.
Preferably, the fertilizer injection pump further comprises an electric control liquid outlet valve arranged at the tail end of the liquid conveying pipeline of the fertilizer injection pump.
Preferably, the inner bottom wall of the mixing box is inclined upward at an angle of 1-5 degrees from the liquid discharging part to the far liquid discharging part.
Preferably, a plurality of liquid level display instruments electrically connected with the single chip microcomputer are arranged in the control box, and the liquid level display instruments and the liquid level meters are arranged in a one-to-one correspondence mode.
Preferably, the moving frame includes: support frame, storage box, power box and control system guard box, the bottom edge of support frame is equipped with the removal wheel, left side in the support frame is located to the storage box, stack about control system guard box and the power box locates the right side in the support frame, the upper end of storage box is the opening end.
The beneficial effect of this application:
the mobile liquid fertilizer automatic mixing and injecting device adopts an automatic design and is provided with the mobile wheels, is convenient to move, has adjustable pressure and small occupied area, and can simultaneously carry out constant-pressure fertilization on various fertilizer liquids or nutrient solutions; by additionally arranging the pressure buffer tank, the pressure of the liquid outlet pipe is effectively eliminated from greatly rising or falling caused by the pressure fluctuation of the liquid outlet pipe when liquid is discharged, so that the whole device can more stably perform constant-pressure fertilizer injection control; meanwhile, the pressure sensor can monitor the pressure change of the constant-pressure fertilizer injection in real time, the difference value between the current liquid outlet pressure and the constant-pressure fertilizer injection pressure is subjected to closed-loop control by utilizing a PID algorithm, so that the device can perform constant-pressure fertilizer injection control more quickly and accurately, and can perform efficient, convenient and stable irrigation and fertilization in a laboratory or other relatively flat ground.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings that are needed in the detailed description of the present application or the technical solutions in the prior art will be briefly described below.
Fig. 1 is a schematic perspective view of a mobile liquid fertilizer automatic mixing and feeding device according to an embodiment of the present application;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic diagram of the structure of the control box of FIG. 2;
FIG. 5 is a schematic perspective view of the agitation mechanism of FIG. 2;
FIG. 6 is a schematic view of the fertilizer injection pump of FIG. 2;
fig. 7 is a schematic circuit diagram of a mobile liquid fertilizer automatic mixing and fertilizer injection device according to an embodiment of the present application.
In the drawings, there is shown in the drawings,
the device comprises a movable frame 10, a support frame 11, a push-pull handle 111, a movable wheel 112, a material storage box 12, a power box 13, a control system protection box 14, a fertilizer liquid barrel 20, a first electromagnetic valve 200, a clear water barrel 21, a water inlet electromagnetic valve 211, a second electromagnetic valve 210, a mixing box 22, a fertilizer injection pump 24, a liquid level meter 25, a pressure buffer tank 26, a check valve 27, an electric control liquid outlet valve 28, a liquid level display instrument 29, a control box 30, a display panel 31, a liquid level wireless receiver 32, a pressure sensor 33, a selection key 341, a "+" key 342, a "-" key 343, a confirmation key 344, a start-stop knob 345, an emergency stop button 346, a variable frequency motor 40, a transmission main shaft 41, a clamp plate body 42, a stirring rod 43, a stirring sheet 44, a stud nut 45 and a cooling fan 50.
Detailed Description
The technical solutions of the present application are described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 7, the present embodiment discloses a mobile liquid fertilizer automatic mixing and injecting device, which includes a mobile frame 10, a mixing and injecting system and a control system;
as shown in fig. 1 to 3, the mixed fertilizer injection system comprises a fertilizer barrel 20, a clear water barrel 21, a mixing box 22, an adjustable speed mixer and a fertilizer injection pump 24, the mixing box 22 is fixed on the lower part of the movable frame 10, the fertilizer barrel 20 is multiple, the clear water barrel 21 and a plurality of fertilizer barrels 20 are fixed on the upper part of the movable frame 10, the liquid inlet ends of the clear water barrel 21 and the liquid inlet ends of the fertilizer barrels 20 are communicated with the liquid inlet end of the mixing box 22, the liquid inlet end of the fertilizer barrel 20 is provided with a first electromagnetic valve 200, the liquid inlet end of the clear water barrel 21 is provided with a second electromagnetic valve 210, liquid level meters 25 are arranged in the fertilizer barrel 20 and the clear water barrel 21, the liquid inlet end of the fertilizer injection pump 24 is connected with the liquid inlet end of the mixing box 22, the liquid inlet end of the fertilizer injection pump 24 is used for outputting outwards, the power component of the adjustable speed mixer is arranged on the outer side of the mixing box 22, the stirring component of the adjustable-speed stirrer is rotatably arranged in the mixing box 22;
in a specific embodiment, the number of the fertilizer liquid barrels 20 is at least two, and generally can be selected according to the use site, in this embodiment, the number of the fertilizer liquid barrels 20 is four, and in a specific use, one to four fertilizer liquid barrels can be selected according to the use site to be used simultaneously or partially.
The control system comprises a control box 30, a controller, a display panel 31, a single chip microcomputer, a liquid level wireless receiver 32 and a pressure sensor 33;
the control box 30 is fixedly arranged at the upper part in the movable frame 10, the single chip microcomputer is arranged in the control box 30, the display panel 31, the liquid level wireless receiver 32 and the controller are arranged on the surface of the control box 30, the first electromagnetic valve 200 and the second electromagnetic valve 210 are electrically connected with the single chip microcomputer through electromagnetic valve driving circuits, the plurality of liquid level meters 25 transmit data to the single chip microcomputer through the liquid level wireless receiver 32, the single chip microcomputer controls the first electromagnetic valve 200 and the second electromagnetic valve 210 to simultaneously perform mixing control on a plurality of fertilizers according to the concentration and the injection amount preset by the controller based on the PWM principle, and displays the mixed data on the display panel 31 through the display circuit;
the pressure sensor 33 is arranged on a liquid conveying pipeline of the fertilizer injection pump 24, the pressure sensor 33 is electrically connected with the single chip microcomputer through a signal conditioning circuit, and the single chip microcomputer collects data of the pressure sensor 33 and adjusts the rotating speed of the adjustable-speed stirring machine based on a PID algorithm.
As shown in fig. 4, in the embodiment, the controller includes a selection key 341, a "+" key 342, a "-" key 343, and a confirmation key 344, wherein the selection key 341 is used to select the concentration, injection amount, and discharge pressure of the fertilizer solution to be input, the "+" key 342, the "-" key 343 are used to add or subtract and select corresponding data, and the confirmation key 344 is used to confirm the data.
In an embodiment, the controller comprises a start-stop knob 345, and the start-stop knob 345 is used for starting and stopping the automatic mixed fertilizer injection device.
Use when fertile device is annotated to portable liquid fertilizer automatic mixing of this application, include following step:
s10, connecting the input end of a power module of the fertilizer injection device to 220V mains supply for electrifying;
s20, filling clear water into the clear water barrel 21 or connecting a water injection pipe, and simultaneously adding different fertilizer liquid raw materials into the fertilizer liquid barrels 20;
s30, observing the data displayed on the display panel 31, selecting "density" with the selection key 341, selecting target density with the "+" button 342 and the "-" button 343, pressing the confirm key 344 after selection, and returning; next, pressing the selection key 341 to select a "target constant voltage value", selecting the target constant voltage value using the "+" key 342 and the "-" key 343, and pressing the enter key 344 to return after selection; pressing the selection key 341 again to select the "target injection amount", selecting the target injection amount using the "+" key 342 and the "-" key 343, pressing the enter key 344 after selection, and returning; finally, the selection key 341 is pressed to select the "target operation time", the target operation time is selected using the "+" key 342 and the "-" key 343, and the enter key 344 is pressed after the selection.
S40, the start-stop knob 345 is turned to a start state, the single chip microcomputer controls the first electromagnetic valve 200 and the second electromagnetic valve 210 to start liquid injection, and the stirring rod 43 is driven to start to rotate by the stirrer with the adjustable rotating speed.
S50, fully mixing the fertilizer liquid, and starting the fertilizer injection pump 24 to discharge the liquid; after the set injection amount is reached, each of the first solenoid valve 200 and the second solenoid valve 210 is automatically closed, and the operation is stopped.
In this embodiment, the controller includes an emergency stop button 346, and the operator can simply press the emergency stop button 346 to stop the operation of the device during operation, such as in the event of an emergency.
In this embodiment, install a plurality of liquid level display instrument 29 with singlechip electric connection in the control box 30, liquid level display instrument 29 and level gauge 25 one-to-one set up, can show the surplus of fertile liquid bucket 20, clear water bucket 21 in real time through liquid level display instrument 29.
In an alternative embodiment of the present application, the inner bottom wall of the mixing box 22 has an upward slope of1 ° to 5 ° from the liquid discharge portion to the liquid discharge portion, and preferably, the mixing box 22 is a truncated cone-shaped barrel with two ends having different barrel diameters, the inner diameter of the mixing box 22 is 49.5cm, the inner diameter is 41.5cm, and the length is 105cm, and the mixing box is made of stainless steel SUS 304;
the specifications of the fertilizer liquid barrels 20 are consistent, and the external diameter is preferably 25cm, and the internal diameter is preferably 24.5 cm; the outer diameter of the clear water barrel 21 is 50cm, and the inner diameter is 24.5 cm; the bottom radian of the fertilizer liquid barrel 20 which is vertically arranged approaches to 0 and is made of PVC material;
in an alternative embodiment of the present application, a tripod is provided on the upper portion of the outer wall of the mixing box 22, and the clean water barrel 21 and the fertilizer liquid barrel 20 are fixed on the tripod.
In an optional embodiment of the present application, the cleaning water tank 21 is provided with a water inlet solenoid valve 211, and the water inlet solenoid valve 211 is electrically connected to the single chip microcomputer and can control the water inlet amount of the cleaning water tank 21 through the single chip microcomputer.
In an alternative embodiment of the present application, the bottom of the mixing tank 22 is provided with an evacuation solenoid valve, through which the waste material remaining in the mixing tank 22 can be evacuated.
As shown in fig. 2, the adjustable-speed mixer includes: inverter motor 40, transmission main shaft 41, splint body 42 and stirring vane, inverter motor 40 sets firmly in the outside of mixing box 22, inverter motor 40's output transmission is connected with the transmission main shaft 41 that rotatable axial runs through mixing box 22, the axial of transmission main shaft 41 evenly has set firmly a plurality of splint bodies 42, every the splint body 42 all radially runs through along transmission main shaft 41 and is provided with stirring vane.
Specifically, shaft sleeves are fixedly arranged at the left outer end and the right outer end of the mixing box 22 respectively, and two ends of the transmission main shaft 41 can rotatably penetrate through the two shaft sleeves respectively, so that the main body part of the transmission main shaft 41 penetrates through the central shaft of the mixing box 22.
As shown in fig. 6, the stirring blade includes a stirring rod 43 and a stirring blade 44, the middle of the stirring rod 43 is fixedly penetrated through one end of the plate clamping body 42, and the two ends of the stirring rod 43 are respectively provided with the stirring blade 44.
The splint body 42 includes two splint and a set of double-screw bolt nut 45 that relative set up, and one end of two splint connects into U type structure through a set of double-screw bolt nut 45, form transmission main shaft 41 centre gripping space between the two splint middle parts, another tip of two splint is offered and is used for the fixed connecting hole that runs through puddler 43.
More specifically, a set of stud nut 45 includes two isometric stud B grades, and two splint provide the pretightning force through a set of stud nut 45 is tightened to make two splint be fixed in transmission main shaft 41 because of the power is fastened after, stirring vane is fixed in the tip of puddler 43 through three fix with screw, and puddler 43 rotates for stirring vane lifting surface changes, thereby changes the stirring angle when stirring liquid. Wherein, the stirring sheet 44 is of an arc structure and made of stainless steel;
in an optional embodiment of the present application, two adjacent stirring blades are arranged in a staggered manner from top to bottom, which is helpful for increasing the stirring effect of the stirring blades.
In an optional embodiment of this application, still include and install in the cooling fan 50 that removes the frame 10 lateral wall, cooling fan 50's defeated wind end all is located one side of removing frame 10 to inverter motor 40 and injection fertilizer pump 24, preferred, inverter motor 40 and injection fertilizer pump 24, and cooling fan 50 is all installed to the relative both sides wall of removing frame 10, and cooling fan 50 is connected with the start-up knob electricity, and start-up knob revolves to the time of starting the state, and cooling fan 50 begins to work.
As shown in fig. 5, the device further comprises a pressure buffer tank 26 and a check valve 27 installed on the infusion pipeline of the fertilizer injection pump 24, wherein the check valve 27 is located at the beginning of the infusion pipeline of the fertilizer injection pump 24, the pressure sensor 33 is located in the middle of the infusion pipeline of the fertilizer injection pump 24, and the pressure buffer tank 26 is located between the check valve 27 and the pressure sensor 33. When the fertilizer injection pump 24 is accelerated or decelerated, the pressure buffer tank 26 can prevent the outlet pressure from suddenly changing to perform pressure buffering,
in an alternative embodiment of the present application, an electrically controlled liquid outlet valve 28 is further included, which is installed at the end of the liquid delivery pipeline of the fertilizer injection pump 24. The check valve 27 prevents the outlet pressure from rising and the liquid in the pressure buffer tank 26 from flowing back.
In the present embodiment, the moving frame 10 includes: support frame 11, storage box 12, power box 13 and control system guard box 14, the bottom edge of support frame 11 is equipped with removes wheel 112, left side in the support frame 11 is located to storage box 12, right side in the support frame 11 is located in the stack from top to bottom of control system guard box 14 and power box 13, the upper end of storage box 12 is the opening end.
Optionally, the support frame 11 is a square frame, and the corners of the bottom surface of the support frame 11 are provided with anti-slip universal wheels to facilitate movement of the liquid fertilizer automatic mixing and injecting device.
Optionally, the left side and the right side of the support frame 11 are provided with push-pull handles 111, so that the automatic liquid fertilizer mixing and injecting device can be conveniently pushed and pulled to move.
As shown in fig. 7, the model OF the single chip microcomputer is MSP43OF149, the first electromagnetic valve 200 and the second electromagnetic valve 210 are connected with the MSP43OF149 single chip microcomputer through an electromagnetic valve driving circuit, the plurality OF liquid level meters 25 transmit data to the MSP43OF149 single chip microcomputer through the liquid level wireless receiver 32, the MSP43OF149 single chip microcomputer controls the on and off OF the electromagnetic valves according to the preset concentration and the injection amount based on the PWM principle to mix a plurality OF fertilizer liquids, calculates the total fertilizer liquid injection amount at the same time, displays the total fertilizer liquid injection amount on the display panel 31 through the display circuit, and automatically stops working when the target injection amount is reached.
The pressure sensor 33 converts the pressure signal into a 4-20mA electric signal through a signal conditioning circuit, an A/D module in the MSP43OF149 single chip microcomputer collects liquid outlet pressure data, the liquid outlet pressure data is compared with set pressure, and the output frequency OF the output pump is adjusted by utilizing a PID algorithm.
The MSP43OF149 single chip microcomputer controls the on and off OF the first electromagnetic valve 200, the second electromagnetic valve 210 and the water inlet electromagnetic valve 211 according to the input signal OF the wireless receiver, the "+" key 342 and the "-" key 343 for fertilizer delivery concentration and fertilizer injection amount, mixes a plurality OF fertilizer liquids, and controls the fertilizer injection pump 24 to perform constant-pressure irrigation and fertilization according to the input OF the pressure sensor 33 and the target pressure.
In summary, the mobile automatic liquid fertilizer mixing and injecting device adopts an automatic design and is provided with the mobile wheels 112, so that the device is convenient to move, adjustable in pressure, small in occupied area and capable of simultaneously applying fertilizer in a constant pressure mode to various fertilizer liquids or nutrient solutions; by additionally arranging the pressure buffer tank 26, the pressure of the liquid outlet pipe caused by the pressure fluctuation of the liquid outlet pipe is effectively eliminated, so that the whole device can more stably perform constant-pressure fertilizer injection control; meanwhile, the pressure sensor 33 can monitor the pressure change of the constant-pressure fertilizer injection in real time, and the difference value between the current liquid outlet pressure and the constant-pressure fertilizer injection pressure is subjected to closed-loop control by utilizing a PID algorithm, so that the device can perform constant-pressure fertilizer injection control more quickly and accurately, and can irrigate and fertilize efficiently, conveniently and stably in a laboratory or other relatively flat ground.
Although the present application has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application, which is defined in the claims. The techniques, shapes, and configurations not described in detail in this application are all known techniques.
Claims (10)
1. The utility model provides a fertile device is annotated in portable liquid fertilizer automatic mixing which characterized in that includes: the fertilizer injection device comprises a movable frame (10), a mixed fertilizer injection system and a control system;
the mixed fertilizer injection system comprises a fertilizer barrel (20), a clear water barrel (21), a mixing box (22), an adjustable rotating speed stirrer and a fertilizer injection pump (24), wherein the mixing box (22) is fixedly arranged at the lower part in a movable frame (10), the fertilizer barrel (20) is multiple, the clear water barrel (21) and a plurality of fertilizer barrels (20) are fixedly arranged at the upper part in the movable frame (10), the transfusion end of the clear water barrel (21) and the transfusion end of the fertilizer barrels (20) are communicated with the liquid inlet end of the mixing box (22), the transfusion end of the fertilizer barrel (20) is provided with a first electromagnetic valve (200), the transfusion end of the clear water barrel (21) is provided with a second electromagnetic valve (210), liquid level meters (25) are arranged in the fertilizer barrel (20) and the clear water barrel (21), the liquid inlet end of the fertilizer injection pump (24) is connected with the transfusion end of the mixing box (22), and the transfusion end of the fertilizer injection pump (24) is used for outputting fertilizer outwards, the power component of the adjustable-speed stirrer is arranged on the outer side of the mixing box (22), and the stirring component of the adjustable-speed stirrer can be rotatably arranged in the mixing box (22);
the control system comprises a control box (30), a controller, a display panel (31), a single chip microcomputer, a liquid level wireless receiver (32) and a pressure sensor (33);
the control box (30) is fixedly arranged at the upper part in the movable frame (10), the single chip microcomputer is arranged in the control box (30), the display panel (31), the liquid level wireless receiver (32) and the controller are arranged on the surface of the control box (30), the first electromagnetic valve (200) and the second electromagnetic valve (210) are electrically connected with the single chip microcomputer through an electromagnetic valve driving circuit, the plurality of liquid level meters (25) transmit data to the single chip microcomputer through the liquid level wireless receiver (32), the single chip microcomputer controls the first electromagnetic valve (200) and the second electromagnetic valve (210) to simultaneously perform mixed control on a plurality of fertilizers according to the concentration and injection quantity preset by the controller based on the PWM principle, and the mixed data are displayed on the display panel (31) through the display circuit;
the pressure sensor (33) is arranged on a liquid conveying pipeline of the fertilizer injection pump (24), the pressure sensor (33) is electrically connected with the single chip microcomputer through a signal conditioning circuit, and the single chip microcomputer collects data of the pressure sensor (33) and adjusts the rotating speed of the adjustable-rotating-speed stirring machine based on a PID algorithm.
2. The mobile automatic liquid fertilizer mixing and injecting device of claim 1, wherein the adjustable-speed mixer comprises: inverter motor (40), transmission main shaft (41), splint body (42) and stirring vane, inverter motor (40) set firmly in the outside of mixing box (22), the output transmission of inverter motor (40) is connected with transmission main shaft (41) that rotatable axial runs through mixing box (22), the axial of transmission main shaft (41) has evenly set firmly a plurality of splint bodies (42), every splint body (42) all radially run through along transmission main shaft (41) and are provided with stirring vane.
3. The mobile automatic liquid fertilizer mixing and injecting device of claim 2, wherein the stirring blade comprises a stirring rod (43) and a stirring blade (44), the middle of the stirring rod (43) is fixedly penetrated through one end of the plate clamping body (42), and the two ends of the stirring rod (43) are respectively provided with the stirring blade (44).
4. The mobile automatic liquid fertilizer mixing and injecting device as claimed in claim 3, wherein two adjacent stirring blades are arranged in a staggered manner.
5. The automatic mobile liquid fertilizer mixing and injecting device of claim 3, further comprising a cooling fan (50) installed on the side wall of the mobile frame (10), wherein the air delivery end of the cooling fan (50) faces the variable frequency motor (40) and the fertilizer injection pump (24).
6. The device for automatically mixing and injecting the fertilizer for the mobile liquid fertilizer as claimed in claim 2, further comprising a pressure buffer tank (26) and a check valve (27) installed on the liquid pipeline of the fertilizer injection pump (24), wherein the check valve (27) is located at the beginning of the liquid pipeline of the fertilizer injection pump (24), the pressure sensor (33) is located in the middle of the liquid pipeline of the fertilizer injection pump (24), and the pressure buffer tank (26) is located between the check valve (27) and the pressure sensor (33).
7. The device for automatically mixing and injecting liquid fertilizer as claimed in claim 6, further comprising an electrically controlled liquid outlet valve (28) installed at the end of the liquid delivery pipeline of the fertilizer injection pump (24).
8. The mobile automatic mixing and fertilizer injection device for liquid fertilizer as claimed in claim 7, characterized in that the inner bottom wall of the mixing box (22) is inclined upward at an angle of 1-5 ° from the liquid discharge part to the far liquid discharge part.
9. The mobile automatic liquid fertilizer mixing and injecting device of claim 1, wherein a plurality of liquid level indicators (29) electrically connected with the single chip microcomputer are installed in the control box (30), and the liquid level indicators (29) and the liquid level meters (25) are arranged in a one-to-one correspondence manner.
10. The mobile automatic liquid fertilizer mixing and feeding device of claim 2, wherein the moving frame (10) comprises: support frame (11), storage box (12), power box (13) and control system guard box (14), the bottom edge of support frame (11) is equipped with and removes wheel (112), left side in support frame (11) is located in storage box (12), right side in support frame (11) is located in stack from top to bottom in control system guard box (14) and power box (13), the upper end of storage box (12) is the opening end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111604592.4A CN114271081A (en) | 2021-12-24 | 2021-12-24 | Fertile device is annotated to portable liquid fertilizer automatic mixing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111604592.4A CN114271081A (en) | 2021-12-24 | 2021-12-24 | Fertile device is annotated to portable liquid fertilizer automatic mixing |
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| CN114271081A true CN114271081A (en) | 2022-04-05 |
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