CN110710375A - Intelligent fertilizer applicator - Google Patents
Intelligent fertilizer applicator Download PDFInfo
- Publication number
- CN110710375A CN110710375A CN201911067902.6A CN201911067902A CN110710375A CN 110710375 A CN110710375 A CN 110710375A CN 201911067902 A CN201911067902 A CN 201911067902A CN 110710375 A CN110710375 A CN 110710375A
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- Prior art keywords
- fertilizer
- value
- branch
- pipeline
- main pipeline
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Abstract
The invention discloses an intelligent fertilizer applicator, which comprises: the device comprises a frame, a main pipeline, branch pipelines, an exhaust valve, a detection system and a control system; the main pipeline and the branch pipelines are both fixedly arranged on the frame; the main pipeline includes: the liquid inlet, the liquid separating pipe section, the mixed liquid pipe section and the fertilizer outlet are arranged on the main body; the branch pipelines are communicated to the liquid distributing pipeline sections; the exhaust valve is arranged on the mixed liquid pipe section; the detection system comprises: a fertilizer concentration sensor and a pH value sensor; the control system is respectively and electrically connected with the fertilizer concentration sensor and the pH value sensor. The device is provided with the main pipeline and the plurality of branch pipelines, so that the effect of fully mixing water, fertilizer and acid in the main pipeline is realized; meanwhile, the soilless culture fertilizing device is also provided with a detection system and a control system, the EC value and the pH value can be monitored in real time, and the problems of poor crop growth caused by large detection error, low control precision and inaccurate flow control of the EC value and the pH value in the conventional soilless culture fertilizing technology are effectively solved.
Description
Technical Field
The invention relates to the technical field of agricultural mechanical equipment, in particular to an intelligent fertilizer applicator.
Background
Soilless culture refers to a culture method in which a substrate is used without using natural soil or only used for raising seedlings, and irrigation is performed with a nutrient solution after planting. The soilless culture can artificially create a good rhizosphere environment to replace the soil environment, effectively prevent continuous cropping diseases of soil and physiological obstacles caused by soil salt accumulation, fully meet the requirements of crops on environmental conditions such as mineral nutrition, moisture, gas and the like, and can recycle the basic materials for culture, so the soilless culture has the characteristics of water and fertilizer saving, labor saving, high yield, high quality and the like. In the soilless culture process, the good growth of the fruits and vegetables is closely related to the control of watering and fertilizing.
The EC value, which is a value of fertilizer concentration in popular terms, is a very important index in soilless culture; the pH value is the pH value, which is also an important index of the water quality of the working mixed liquid and has an important effect on the good growth of plants.
However, the fertilizer application equipment in the existing soilless culture fertilizer application technology falls behind, the integration level is low, the operation is complicated, the sensitivity and the precision are not high, and in addition, the complex and various crop growth environments cause the detection amplitude of EC and pH value of the working mixed solution to be larger, the highest EC error can reach 1.0ms/cm, the highest pH error can reach 2.0, the control of EC and pH value can not be accurate, so that the growth of soilless culture plants is extremely unfavorable, the planting production can not be continuous or the crops can not reach the expected yield, and finally, the soilless culture is abandoned.
In addition, liquid in pipelines in the fertilizer applicator cannot be effectively buffered in the flowing process, excessive water and fertilizer can flow out of the fertilizer applicator after the fertilizer applicator is stopped, and the water, the fertilizer and acid are not sufficiently mixed in the fertilizer applicator, so that inaccurate flow control and large detection errors of EC and pH values can be caused.
Therefore, the technical problem to be solved by those skilled in the art is how to provide a fertilizer applicator capable of mixing water, fertilizer and acid sufficiently and controlling EC and pH precisely.
Disclosure of Invention
In view of the above, the invention provides an intelligent fertilizer applicator, which is provided with a main pipeline and a plurality of branch pipelines, so that the effect of fully mixing water, fertilizer and acid in the main pipeline is realized; meanwhile, the soilless culture fertilizing device is also provided with a detection system and a control system, the EC value and the pH value can be monitored in real time, and the problems of poor crop growth caused by large detection error, low control precision and inaccurate flow control of the EC value and the pH value in the conventional soilless culture fertilizing technology are effectively solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent fertilizer applicator comprising: the device comprises a frame, a main pipeline, branch pipelines, an exhaust valve, a detection system and a control system; wherein:
the main pipeline and the branch pipelines are both fixedly arranged on the frame;
the main pipeline comprises: the water inlet, the liquid dividing pipe section, the mixed liquid pipe section and the fertilizer outlet are connected in sequence;
the branch pipelines are arranged in plurality and are communicated with the liquid distribution pipeline sections respectively;
the exhaust valve is mounted on the mixed liquid pipe section;
the detection system comprises: a fertilizer concentration sensor and a pH value sensor; the fertilizer concentration sensor and the pH value sensor are respectively arranged on the mixed liquid pipeline section;
the control system is respectively and electrically connected with the fertilizer concentration sensor and the pH value sensor.
Has the advantages that: the invention is provided with a plurality of branch pipelines which are respectively collected to the main pipeline, thereby realizing the full mixing of water, a plurality of fertilizers and acid; the exhaust valve is arranged, so that gas in the fertilizing device can be rapidly exhausted through the exhaust valve in the fertilizing process, and the fertilizing efficiency is effectively improved; be provided with detecting system and control system, can carry out real-time detection to fertilizer concentration and pH valve, and give control system with data transfer, and then control the flow size in water inlet and each branch pipeline, realized carrying out real-time accurate detection and the timely feedback of information to the fertilizer concentration and the pH valve information of the mixed liquid of work, thereby can realize carrying out accurate control to fertilizer and the pH value that supplies fertile pump and supply the output of sour pump, reach the closed-loop control system of fertilizer concentration (EC value) and pH valve (pH value) of crop growth and regulation and control demand, be favorable to the benign growth of fruit vegetables.
Preferably, in the above-mentioned intelligent fertilizer distributor, further include: a glass rotameter; the glass rotameter is arranged on the branch pipeline and used for measuring the flow of materials injected into the branch pipeline.
Has the advantages that: the flow of the injected fertilizer and the flow of the injected acid in each branch pipeline are monitored in real time, so that the working state of the equipment can be visually and effectively monitored manually; and the fault reasons of the equipment can be conveniently and quickly checked.
Preferably, in the above-mentioned intelligent fertilizer distributor, further include: the pressure gauge I, the pressure gauge II and the backpressure valve; wherein: the first pressure gauge is arranged on the main pipeline and used for measuring the water pressure of the main pipeline; the second pressure gauge and the back pressure valve are both arranged on the branch pipeline, and the second pressure gauge is used for measuring the water pressure on the branch pipeline; the back pressure valve is used for adjusting the water pressure on the branch pipeline.
Has the advantages that: when the pressure value in the branch pipelines is larger than the pressure value of the main pipeline, the fertilizer source or the acid source can be guaranteed to be collected to the main pipeline through the branch pipelines, the water pressure values in the main pipeline and each branch pipeline can be observed and adjusted visually through the pressure gauge I and the pressure gauge II, and the fertilizer source or the acid source in the branch pipelines can be guaranteed to be injected into the main pipeline smoothly; in addition, the water pressure value in the branch pipeline is adjusted to be consistent through the adjustment of the back pressure valve, so that the flow in each branch pipeline is ensured to be the same, and strict management and control are favorably carried out on the accuracy of fertilization.
Preferably, in the above intelligent fertilizer applicator, the water inlet is connected with the water source through a water pump; the branch pipeline is connected with the fertilizer source through a fertilizer supply pump or connected with the acid source through an acid supply pump.
Among them, it should be noted that: the fertilizer supply pump and the acid supply pump are both diaphragm pumps.
Has the advantages that: the water source, the fertilizer source and the acid source can be quickly injected into the main pipeline through the water pump, the fertilizer supply pump and the acid supply pump to realize uniform mixing of the fertilizer, so that the working efficiency is effectively improved; in addition, the fertilizer supply pump and the acid supply pump are both diaphragm pumps, and the fertilizer supply pump and the acid supply pump are simple in structure, high in control precision and very beneficial in technical effect.
Preferably, in the above intelligent fertilizer distributor, the front end of the water pump is connected with a filtering mixer; and the front end of the fertilizer supply pump or the acid supply pump is provided with an impurity filter.
Has the advantages that: through the filter mixer, on one hand, the liquid flow in the main pipeline is buffered, so that the flow is convenient to control, on the other hand, the water, the fertilizer and the acid in the main pipeline are fully mixed, and the detection precision of the EC value and the pH value is further improved; the impurity filter avoids the blockage of impurities on the mixed liquid control valve; and the whole fertilizer applicator is simple to operate and high in sensitivity.
Preferably, in the above intelligent fertilizer applicator, the branch pipeline is provided with three paths; one of the branches is an acid supply branch, and the other two branches are fertilizer supply branches.
Preferably, in the above intelligent fertilizer applicator, the control system includes: a control panel and a controller; wherein: the control panel is electrically connected with the controller; the controller includes: the system comprises a data analysis module, an instruction output module and a storage module; the data analysis module is electrically connected with the instruction output module and the storage module respectively; the data analysis module is electrically connected with the fertilizer concentration sensor and the pH value sensor; the instruction output module is electrically connected with the water pump, the fertilizer supply pump and the acid supply pump respectively.
Has the advantages that: in the intelligent fertilizer applicator provided by the invention, the fertilizer supply pump and the acid supply pump are respectively connected with the main pipeline through the fertilizer supply branch and the acid supply branch, and the integrated control of fertilizer supply, acid supply and water delivery is realized by combining the control of the controller; the fertilizer concentration sensor and the pH value sensor are connected with the controller, so that the fertilizer concentration and the pH value information of the working mixed liquid can be accurately detected in real time and timely fed back, the fertilizer and the pH value output by the fertilizer supply pump and the pH value supply pump can be accurately controlled, a closed-loop control system of the fertilizer concentration (EC value) and the pH value (pH value) required by crop growth and regulation is achieved, and the good growth of fruits and vegetables is facilitated.
Among them, it should be noted that: the fertilization control method of the fertilization device can select an automatic mode, and specifically comprises the following steps:
s1: preparing a fertilizer;
s2: setting a fertilizer concentration parameter and a pH value parameter to a storage module through a control panel; and selecting an automatic fertilization mode through a control panel; setting an irrigation period to the storage module through the control panel;
s3: automatically starting a fertilizer applicator, introducing a water source into the liquid separation pipe section through a water pump and the water inlet, introducing a fertilizer into the liquid separation pipe section through a fertilizer supply pump and a fertilizer supply branch, and introducing an acid source into the liquid separation pipe section through an acid supply pump and an acid supply branch;
s4: detecting the fertilizer concentration and the pH value of the mixed liquid through a fertilizer concentration sensor and a pH value sensor which are arranged on the section of the mixed liquid pipe, and feeding back the detected fertilizer concentration and pH value information to the controller;
s5: in combination with the fertilizer concentration and pH value standards set in the storage module of the controller, the data analysis module of the controller analyzes and judges the fertilizer concentration and pH value information detected in the step S4, and controls the fertilizer supply pump and the fertilizer and pH value output by the fertilizer supply pump through the instruction output module so as to enable the fertilizer concentration and the pH value of the mixed solution to meet the set standards;
s6: and when the irrigation time is up, the fertilizer applicator stops working.
Among them, it should be further explained that: the fertilizer applying device has the functions of timing and quantitative irrigation, a plurality of irrigation areas can be set, and each area can use different irrigation schemes;
aiming at soilless culture, a timing mode for multiple times a day can be provided, and aiming at common planting, a timing mode for once every multiple days can be provided.
In addition, the fertilization control method of the fertilization device can select a manual mode, and specifically comprises the following steps:
s1: preparing a fertilizer;
s2: setting a fertilizer concentration parameter and a pH value parameter to a storage module through a control panel; and a manual fertilization mode is selected through a control panel;
s3: manually starting a fertilizer applicator, introducing a water source into the liquid separation pipe section through a water pump and the water inlet, introducing a fertilizer into the liquid separation pipe section through a fertilizer supply pump and a fertilizer supply branch, and introducing an acid source into the liquid separation pipe section through an acid supply pump and an acid supply branch;
s4: detecting the fertilizer concentration and the pH value of the mixed liquid through a fertilizer concentration sensor and a pH value sensor which are arranged on the section of the mixed liquid pipe, and feeding back the detected fertilizer concentration and pH value information to the controller;
s5: in combination with the fertilizer concentration and pH value standards set in the storage module of the controller, the data analysis module of the controller analyzes and judges the fertilizer concentration and pH value information detected in the step S4, and controls the fertilizer supply pump and the fertilizer and pH value output by the fertilizer supply pump through the instruction output module so as to enable the fertilizer concentration and the pH value of the mixed solution to meet the set standards;
s6: and when the irrigation time is up, the fertilizer applicator stops working.
According to the technical scheme, compared with the prior art, the intelligent fertilizer applicator is provided with the main pipeline and the branch pipelines, so that the effect of fully mixing water, fertilizer and acid in the main pipeline is achieved; meanwhile, the soilless culture fertilizing device is also provided with a detection system and a control system, the EC value and the pH value can be monitored in real time, and the problems of poor crop growth caused by large detection error, low control precision and inaccurate flow control of the EC value and the pH value in the conventional soilless culture fertilizing technology are effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of A in FIG. 1;
fig. 3 is a perspective view of the present invention.
Wherein: the device comprises a frame 1, a main pipeline 2, a water inlet 21, a liquid dividing pipeline section 22, a mixed liquid pipeline section 23, a fertilizer outlet 24, a branch pipeline 3, an exhaust valve 4, a detection system 5, a glass rotameter 6, a first pressure gauge 7, a second pressure gauge 8 and a backpressure valve 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an intelligent fertilizer applicator, which is provided with a main pipeline and a plurality of branch pipelines, so that the effect of fully mixing water, fertilizer and acid in the main pipeline is realized; meanwhile, the soilless culture fertilizing device is also provided with a detection system and a control system, the EC value and the pH value can be monitored in real time, and the problems of poor crop growth caused by large detection error, low control precision and inaccurate flow control of the EC value and the pH value in the conventional soilless culture fertilizing technology are effectively solved.
Referring to fig. 1 to 3, an intelligent fertilizer applicator includes: the device comprises a frame 1, a main pipeline 2, branch pipelines 3, an exhaust valve 4, a detection system 5 and a control system; wherein:
the main pipeline 2 and the branch pipelines 3 are both fixedly arranged on the frame 1;
the main pipe 2 includes: a water inlet 21, a liquid separating pipe section 22, a mixed liquid pipe section 23 and a fertilizer outlet 24 which are connected in sequence;
a plurality of branch lines 3 are provided, and each branch line 3 is connected to the branch line segment 22;
the exhaust valve 4 is installed on the mixed liquid pipe section 23;
the detection system 5 includes: a fertilizer concentration sensor 51 and a pH value sensor 52; the fertilizer concentration sensor 51 and the pH value sensor 52 are respectively arranged on the mixed liquid pipeline section 23;
the control system is respectively electrically connected with the fertilizer concentration sensor 51 and the pH value sensor 52.
In order to further optimize above technical scheme, intelligent fertilizer distributor still includes: a glass rotameter 6; a glass rotameter 6 is mounted on the branch line 3 for measuring the flow rate of the material injected into the branch line 3.
In order to further optimize above technical scheme, intelligent fertilizer distributor still includes: the first pressure gauge 7, the second pressure gauge 8 and the backpressure valve 9; wherein: the first pressure gauge 7 is arranged on the main pipeline 2 and used for measuring the water pressure of the main pipeline; a second pressure gauge 8 and a back pressure valve 9 are both arranged on the branch pipeline 3, and the second pressure gauge 8 is used for measuring the water pressure on the branch pipeline 3; the back pressure valve 9 is used to regulate the water pressure in the branch line 3.
In order to further optimize the above technical scheme, the water inlet 41 is connected with a water source through a water pump; the branch pipeline 3 is connected with a fertilizer source through a fertilizer supply pump or connected with an acid source through an acid supply pump.
In order to further optimize the technical scheme, the front end of the water pump is connected with a filtering mixer; and impurity filters are arranged at the front ends of the fertilizer supply pumps or the acid supply pumps.
In order to further optimize the above technical scheme, the branch pipeline 3 is provided with three paths; one of the branches is an acid supply branch, and the other two branches are fertilizer supply branches.
In order to further optimize the above technical solution, the control system comprises: a control panel and a controller; wherein: the control panel is electrically connected with the controller; the controller includes: the system comprises a data analysis module, an instruction output module and a storage module; the data analysis module is electrically connected with the instruction output module and the storage module respectively; the data analysis module is electrically connected with the fertilizer concentration sensor 51 and the pH value sensor 52; the instruction output module is electrically connected with the water pump, the fertilizer supply pump and the acid supply pump respectively.
The fertilization control method of the fertilization device can select an automatic mode or a manual mode, and specifically comprises the following steps:
s1: preparing a fertilizer;
s2: setting a fertilizer concentration parameter and a pH value parameter to a storage module through a control panel; and selecting an automatic fertilization mode or a manual fertilization mode through a control panel;
s3: starting a fertilizer applicator, introducing a water source into the liquid separation pipe section through a water pump and the water inlet, introducing a fertilizer into the liquid separation pipe section through a fertilizer supply pump and a fertilizer supply branch, and introducing an acid source into the liquid separation pipe section through an acid supply pump and an acid supply branch;
s4: detecting the fertilizer concentration and the pH value of the mixed liquid through a fertilizer concentration sensor and a pH value sensor which are arranged on the section of the mixed liquid pipe, and feeding back the detected fertilizer concentration and pH value information to the controller;
s5: in combination with the fertilizer concentration and pH value standards set in the storage module of the controller, the data analysis module of the controller analyzes and judges the fertilizer concentration and pH value information detected in the step S4, and controls the fertilizer supply pump and the fertilizer and pH value output by the fertilizer supply pump through the instruction output module so as to enable the fertilizer concentration and the pH value of the mixed solution to meet the set standards;
s6: and when the irrigation time is up, the fertilizer applicator stops working.
According to the technical scheme, compared with the prior art, the intelligent fertilizer applicator is provided with the main pipeline and the branch pipelines, so that the effect of fully mixing water, fertilizer and acid in the main pipeline is achieved; meanwhile, the soilless culture fertilizing device is also provided with a detection system and a control system, the EC value and the pH value can be monitored in real time, and the problems of poor crop growth caused by large detection error, low control precision and inaccurate flow control of the EC value and the pH value in the conventional soilless culture fertilizing technology are effectively solved.
The working principle is as follows:
according to the intelligent fertilizer applicator, the fertilizer supply pump and the acid supply pump are respectively connected with the main pipeline through the fertilizer supply branch and the acid supply branch, and integrated control of fertilizer supply, acid supply and water delivery is realized by combining the control of the controller; the fertilizer concentration sensor and the pH value sensor are connected with the controller, so that the fertilizer concentration and pH value information of the working mixed liquid can be accurately detected in real time and timely fed back, the fertilizers and the pH values output by the fertilizer supply pump and the pH supply pump can be accurately controlled, a closed-loop control system of the fertilizer concentration (EC value) and the pH value (pH value) meeting the requirements of crop growth and regulation is achieved, and the good growth of fruits and vegetables is facilitated; through the filtering mixer, on one hand, the liquid flow in the main pipeline is buffered, so that the flow is convenient to control, on the other hand, the water, the fertilizer and the acid in the main pipeline are fully mixed, and the detection precision of the EC value and the pH value is further improved; the impurity filter avoids the blockage of impurities on the mixed liquid control valve; and the whole fertilizer applicator is simple to operate and high in sensitivity.
Meanwhile, the device has the functions of timing and quantitative irrigation, a plurality of irrigation areas can be set, and each area can use different irrigation schemes. Aiming at soilless culture, a timing mode for multiple times a day can be provided, and aiming at common planting, a timing mode for once every multiple days can be provided, so that the device is extremely high in flexibility and applicability and has great market popularization and application values.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An intelligent fertilizer applicator, comprising: the device comprises a frame (1), a main pipeline (2), branch pipelines (3), an exhaust valve (4), a detection system (5) and a control system; wherein:
the main pipeline (2) and the branch pipelines (3) are both fixedly arranged on the frame (1);
the main line (2) comprises: a water inlet (21), a liquid dividing pipe section (22), a mixed liquid pipe section (23) and a fertilizer outlet (24) which are connected in sequence;
a plurality of branch lines (3) are provided, and each branch line (3) is communicated with the liquid dividing pipe section (22);
the exhaust valve (4) is mounted on the mixed liquid pipe section (23);
the detection system (5) comprises: a fertilizer concentration sensor (51) and a pH value sensor (52); the fertilizer concentration sensor (51) and the pH value sensor (52) are respectively arranged on the mixed liquid pipeline section (23);
the control system is respectively and electrically connected with the fertilizer concentration sensor (51) and the pH value sensor (52).
2. The intelligent fertilizer distributor of claim 1, further comprising: a glass rotameter (6); the glass rotameter (6) is mounted on the branch pipeline (3) and is used for measuring the flow of the material injected into the branch pipeline (3).
3. The intelligent fertilizer distributor of claim 1, further comprising: a first pressure gauge (7), a second pressure gauge (8) and a backpressure valve (9); wherein: the first pressure gauge (7) is arranged on the main pipeline (2) and used for measuring the water pressure on the main pipeline (2); the second pressure gauge (8) and the backpressure valve (9) are both arranged on the branch pipeline (3), and the second pressure gauge (8) is used for measuring the water pressure on the branch pipeline (3); the back pressure valve (9) is used for adjusting the water pressure on the branch pipeline (3).
4. An intelligent fertilizer applicator as claimed in claim 1 wherein the water inlet (21) is connected to the water source by a water pump; the branch pipeline (3) is connected with the fertilizer source through a fertilizer supply pump or connected with the acid source through an acid supply pump.
5. The intelligent fertilizer distributor according to claim 4, wherein a filtering mixer is connected to the front end of the water pump; and impurity filters are arranged at the front ends of the fertilizer supply pumps or the acid supply pumps.
6. An intelligent fertilizer applicator as claimed in claim 1 wherein the branch conduit (3) is provided with three ways; one of the branches is an acid supply branch, and the other two branches are fertilizer supply branches.
7. An intelligent fertilizer applicator as claimed in claim 1 wherein the control system comprises: a control panel and a controller; wherein: the control panel is electrically connected with the controller; the controller includes: the system comprises a data analysis module, an instruction output module and a storage module; the data analysis module is electrically connected with the instruction output module and the storage module respectively; the data analysis module is electrically connected with the fertilizer concentration sensor (51) and the pH value sensor (52); the instruction output module is electrically connected with the water pump, the fertilizer supply pump and the acid supply pump respectively.
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| CN201911067902.6A CN110710375A (en) | 2019-11-04 | 2019-11-04 | Intelligent fertilizer applicator |
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| CN201911067902.6A CN110710375A (en) | 2019-11-04 | 2019-11-04 | Intelligent fertilizer applicator |
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