CN206282125U - A kind of fertilizer applicator automatic control system - Google Patents
A kind of fertilizer applicator automatic control system Download PDFInfo
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- CN206282125U CN206282125U CN201621410603.XU CN201621410603U CN206282125U CN 206282125 U CN206282125 U CN 206282125U CN 201621410603 U CN201621410603 U CN 201621410603U CN 206282125 U CN206282125 U CN 206282125U
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- fertile
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000002262 irrigation Effects 0.000 claims description 9
- 238000003973 irrigation Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000004720 fertilization Effects 0.000 description 8
- 230000000875 corresponding Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory Effects 0.000 description 3
- 210000003608 Feces Anatomy 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241000196435 Prunus domestica subsp. insititia Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003750 conditioning Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 235000005035 ginseng Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000001960 triggered Effects 0.000 description 1
Abstract
The utility model provides a kind of fertilizer applicator automatic control system, including host computer and slave computer.The host computer is communicated with slave computer by data communication module, the slave computer includes the fertile machine data acquisition module of note and the fertile machine data outputting module of note, the fertile machine data acquisition module of note is used to gather flow, liquid level, EC and pH value, and the flow of collection, liquid level, EC and pH value are sent into the host computer；The host computer is used for according to preset control parameters, and fertilizer solution concentration is controlled by the fertile machine data outputting module of the note；The fertile pump of note is provided with DC speed regulation module, and the note fertilizer path is provided with Hall flow sensor, and the note fertilizer machine data outputting module is adjusted the rotating speed of the fertile pump of the note by the DC speed regulation module, is used to control fertilizer-injecting flow rate.The utility model ensure that complete period balance fertilizing concentration, and the precision and automaticity of fertilizer applicator is greatly improved.
Description
Technical field
The utility model belongs to agricultural irrigation technology, and in particular to a kind of fertilizer applicator automatic control system.
Background technology
The fertilizing equipment commonly used in current agricultural production mainly has three major types：Differential, venturi type and pumped type.Pressure difference
Formula fertilizer applicator simple structure, it is easy to use, but with the carrying out of fertilising process, fertilizer solution concentration can be reduced gradually, uniformity of applying fertilizer
Difference, and the regulation of fertilising speed needs the aperture of manual adjustment valve, changes the flow of bypass pipe to realize, fertilising speed and fertilizer
Liquid concentration is difficult to control accurate；Development of Venturi Fertilizer Applicator can be realized applying fertilizer in proportion, can keep constant during fertilising
Fertilizer solution concentration, but fertilising speed depends primarily on the size for producing negative pressure, cannot be to fertilizer solution concentration and fertilising speed during fertilising
Degree carries out control accurate；Pumping fertilization method can ensure that fertilizer solution concentration is constant, but need someone to guard during irrigation fertilization, with
Prevent liquid level in complex fertilizer case too low, water pump suction air, influence operation, and fertilizer solution concentration is difficult to precisely tune in running
Control.Based on problem above, it is necessary to a kind of automatic control system, can be to the fertilizer solution concentration of fertilizer applicator, dose, fertilization time etc.
Control accurate is carried out, to improve fertilizer applicator automaticity.
It is that multichannel notes fertile path in parallel to note fertile machine due to full-automatic ratio, and conventional control system needs manually or borrows at present
Help the time relay or time switch, by calculate " time period " control the switching of magnetic valve control the fertile speed of adjustment note and
Fertilizer-injecting quantity etc., is difficult to carry out control accurate to fertilizer solution concentration, it is impossible to realize the balanced proportional injection of fertilizer in regulating cycle,
The requirement of modernization precision agriculture can not be met, and fertilizer solution belongs to high salt faintly acid liquid, has stronger corruption to metal
Corrosion, can cause electromagnetism valve events sluggish or failure after longtime running, influence the normal operation of equipment.
Utility model content
The purpose of this utility model is for fertilizer applicator dose, fertilizer solution concentration etc. are difficult to be precisely controlled in the prior art
Problem, there is provided a kind of PLC (fertilizer applicator) automatic control system, be used to realize fertilization program and EC/pH values according to setting, flow
The real-time monitoring value of the information such as amount, liquid level, carries out water-fertilizer conditioning in time, improves existing fertilization control system operation numerous
Trivial, the big shortcoming of error improves fertilizer applicator control accuracy and automaticity.
Embodiment of the present utility model provides a kind of fertilizer applicator automatic control system, and it is applied to be noted with multi-channel parallel
The note fertilizer machine of fertile path.The fertile machine of note includes the note fertilizer pump on the fertile path of each note, the fertile path of note and complex fertilizer case UNICOM.Control
System includes host computer and slave computer, and host computer is communicated with slave computer by data communication module, and slave computer includes note fertilizer
Machine data acquisition module and the fertile machine data outputting module of note, the fertile machine data acquisition module of note are used to gather flow, liquid level, EC and pH
Value, and the data messages such as the flow of collection, liquid level, EC and pH value are sent to host computer, host computer is used for according to default control
Parameter, fertilizer solution concentration is controlled by noting fertile machine data outputting module；The fertile pump of note is provided with DC speed regulation module, and the fertile path of note is provided with
Hall flow sensor, the fertile machine data outputting module of note adjusts the rotating speed of the fertile pump of note by DC speed regulation module, is used to control note
Fertile flow.
Further, noting fertile machine also includes irrigation pump and water injecting electromagnetic valve, and host computer is additionally operable to according to preset control parameters,
Regulate and control the irrigation flow and water injecting electromagnetic valve injection flow of irrigation pump by noting fertile machine data outputting module.
Further, slave computer also includes alarm module, and alarm module is used for according to fertilizer solution concentration predetermined threshold value, complex fertilizer case liquid
Position predetermined threshold value is alarmed.
Further, alarm module includes light warning module, and light warning module is connected with alarm lamp, for passing through
Light flash is alarmed.
Further, alarm module includes also including voice alarm module that voice alarm module is used to enter by voice message
Row alarm.
The beneficial effects of the utility model are compared with prior art：Ensure that the complete period applies fertilizer concentration in a balanced way, significantly
Degree improves the precision and automaticity of fertilizer applicator.
Brief description of the drawings
Fig. 1 shows the structured flowchart of the embodiment of the utility model one；
Fig. 2 shows the fundamental diagram of the embodiment of the utility model one.
Specific embodiment
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
The utility model is described further with reference to instantiation and Figure of description.
Shown in ginseng Fig. 1 to Fig. 2, a kind of fertilizer applicator automatic control system is present embodiments provided, it is applied to multichannel
The note fertilizer machine of the fertile path of parallel connection note, the fertile machine of note includes the note fertilizer pump 23 on the fertile path of each note, the fertile path of note and complex fertilizer case
UNICOM.Control system includes host computer and slave computer, and host computer is communicated with slave computer by data communication module 11.It is the next
Machine includes the fertile machine data acquisition module 21 of note and the fertile machine data outputting module 22 of note, and the fertile machine data acquisition module 21 of note is used to gather
Flow, liquid level, EC and pH value, and the data messages such as the flow of collection, liquid level, EC and pH value are sent to host computer；Host computer
For according to preset control parameters, fertilizer solution concentration being controlled by noting fertile machine data outputting module 22；The fertile pump 23 of note is provided with direct current tune
Fast module, the fertile path of note is provided with Hall flow sensor, and the fertile machine data outputting module 22 of note is adjusted by DC speed regulation module
The rotating speed of the fertile pump 23 of note, is used to control fertilizer-injecting flow rate.
The automatic control system that the present embodiment is provided, using PLC control system, EC/pH value, liquid of the system according to collection
Position, the signal of flow, send corresponding control command and the frequency of straightway pump are adjusted, and realize flow velocity from the electrodeless tune of 0-100%
Speed, it is ensured that fertilizer can uniformly mix in strict accordance with setting ratio in the fertigation cycle, reaches high-end industrialized agriculture to fertilising
High standards.The PLC automatic control system, can carry out real-time monitoring to data messages such as flow, liquid level, EC/pH values, and
According to the fertilization program of setting, it is analyzed by the analog signalses for gathering, and sends corresponding control instruction, can be in good time
Liquid manure supply is carried out exactly.Can realize that multi-path direct current drive notes fertile pump by PLC control system electrodeless from 0-100%
Speed governing.In regulating cycle, when EC/pH values are surveyed more than setup parameter value, system adjust automatically DC motor speed, with true
Protect the fertile path of each note and press setting ratio mixed fertilizer, fertigation uniformly can reach more than 98%.
In the present embodiment, noting fertile machine also includes irrigation pump 24 and water injecting electromagnetic valve 25, and host computer is additionally operable to according to pre-
If control parameter, the note for irrigating flow and water injecting electromagnetic valve 25 of irrigation pump 24 is regulated and controled by noting fertile machine data outputting module 22
Water-carrying capacity.
In the present embodiment, slave computer also includes alarm module, and alarm module is used for according to fertilizer solution concentration predetermined threshold value, mixes
Fertilizer box liquid level predetermined threshold value is alarmed.
In the present embodiment, alarm module includes light warning module, and light warning module is connected with alarm lamp 26,
For being alarmed by light flash.
In the present embodiment, alarm module also includes voice alarm module, and voice alarm module is used to pass through voice message
Alarmed, such as pointed out " fertilizer solution concentration is exceeded " when fertilizer solution concentration exceedes threshold value, combined by sound, light alarm, police can be improved
Show effect.
The utility model is further described in detail below：
Under the fertile machine normal operating conditions of full-automatic ratio note that the present embodiment is provided, after complex fertilizer case control valve is opened,
Current are introduced from main line, note fertile path (A~D) in four roads pumps high concentration solution under DC electropump driving, and the two is mixed
After being mixed in fertilizer box, then through in the fertile pumped back main line of main note.Solution flow in complex fertilizer case in water and each path etc.
Can be adjusted by control system, so as to keep water population equilibrium in complex fertilizer case, and the fertile path of each note is respectively according to setting
The uniform and stable injection solution within the fertigation cycle of definite value, it is ensured that fertigation quality, improves water and fertilizer utilization.
The control system that the present embodiment is provided is by host computer (host computer data monitoring, automatic control unit) and slave computer
(the next data feedback, automatic execution unit) is constituted.Host computer uses touch-screen, and can be input into control by user interface refers to
Make, inquiry system information etc.；Slave computer is designed using programmable logic controller (PLC), realizes collection sensor signal, output control
The functions such as instruction, the operation of control device.The present embodiment is passed through using Computer Control Technology and Programmable logical controller technology
Enter control of the line frequency regulation realization to fertilizer solution concentration, fertigation amount and fertigation time to straightway pump, it is ensured that fertilizer applicator
Liquid manure is automatically fed by the fertilization program of setting.
In control system, slave computer can carry out real-time monitoring to flow, liquid level, EC/pH values etc., and system is by collection
Arrive analog quantity analysis, according to setting fertilization program, send corresponding control instruction, realize the keying of magnetic valve control,
The frequency regulation and the monitoring of fertilizer applicator running status of straightway pump, so as to be adjusted to fertilising process.Wherein, EC/PH values are
The main control parameters of the fertile pump discharge regulation of note.The EC/PH value informations of conductivity meter and the pH meter measurement installed on pipeline pass through
The Analog input mModule of PLC enters slave computer, by the treatment of slave computer, when EC/pH values change, and PLC controls system
System can make corresponding regulation, when EC/pH values increase, straightway pump according to the feedback information for receiving, the frequency to straightway pump
Frequency reduction, the fertile machine flow velocity of note reduces, fertilizer solution concentration reduction, and vice versa；When EC values are excessive, pH value exceeds normal range (NR) (5.5
~7.5) when, trigger warning system, send alarm, prevent fertilizer solution concentration excessive, cause crop burn seedlings.
Control system mainly gathers flow to Flow-rate adjustment process by the Hall flow sensor on pipeline
Information, slave computer is entered by the Analog input mModule of PLC, by the treatment of slave computer, is contrasted with programmed values,
Control system exports DC speed regulation signal to DC speed regulation module according to comparing result, so that drive straightway pump to change rotating speed, directly
Meet sets requirement to flow measurement, be somebody's turn to do " measurement-signal change-contrast-regulate and control-is measured again " and constantly circulate, formation is closed
Ring control loop.
Control system can be also adjusted by the monitoring to complex fertilizer case liquid level to its working condition.Liquid level sensor is gathered
To liquid level information enter slave computer through the Analog input mModule of PLC control system, after data processing with setting value contrast,
When level value is surveyed more than the maximum level value of setting or less than minimum level value, warning system is triggered, send alarm, while
Reduce (increase) water inlet valve aperture, flow of inlet water reduces (increase), and the EC/pH values in complex fertilizer case change, corresponding
The frequency of the fertile pump of note accordingly reduces (increase), until EC/pH values reach setting value again.Can effectively be kept away by the control system
Exempt from liquid level too high, cause solution spilling and liquid level too low, water pump suction air influences system operation.
The utility model provides a kind of fertilizer applicator control system, has the following technical effect that：
1st, can be with the data messages such as Real-time Collection flow, liquid level, EC/pH values, PLC controls by PLC information acquisition modules
System is analyzed analog quantity by information, sends corresponding control instruction, and 0-100% flow velocity stepless changing is realized to the fertile pump of note
(DC continuous speed regulation), it is ensured that the complete period applies fertilizer concentration in a balanced way, is greatly improved the precision and automation journey of fertilizer applicator
Degree.
2nd, PLC automatic control system is by the liquid level and EC/pH value informations that gather, liquid level that can be in real-time monitoring complex fertilizer case
And EC/pH value situations, sent out in time during when the low liquid level value that liquid level is set less than system or higher than high level value or abnormal EC/pH values
Go out alarm, and adjust the frequency of water pump, prevent liquid level too low, cause water pump to suck air, influence system operation or fertilizer solution concentration
It is too high, cause burn seedlings.
The a series of tool described in detail only for feasibility implementation method of the present utility model of those listed above
Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from the utility model skill spirit
Equivalent implementations or change should be included within protection domain of the present utility model.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.
Claims (5)
1. a kind of fertilizer applicator automatic control system, is applied to be noted with multi-channel parallel the note fertilizer machine of fertile path, the note fertilizer machine bag
Include the note fertilizer pump on the fertile path of each note, the note fertilizer path and complex fertilizer case UNICOM, it is characterised in that the control system
Including host computer and slave computer, the host computer is communicated with slave computer by data communication module, and the slave computer includes
The fertile machine data acquisition module of note and the fertile machine data outputting module of note, the note fertilizer machine data acquisition module are used to gather flow, liquid
Position, EC and pH value, and the flow of collection, liquid level, EC and pH value are sent to the host computer；The host computer is used for according to pre-
If control parameter, fertilizer solution concentration is controlled by the fertile machine data outputting module of the note；The fertile pump of note is provided with DC speed regulation module,
The fertile path of note is provided with Hall flow sensor, and the note fertilizer machine data outputting module is adjusted by the DC speed regulation module
The rotating speed of the fertile pump of the section note, is used to control fertilizer-injecting flow rate.
2. a kind of fertilizer applicator automatic control system according to claim 1, it is characterised in that the note fertilizer machine also includes filling
Water pump and water injecting electromagnetic valve are irrigate, the host computer is additionally operable to according to preset control parameters, by the fertile machine data output mould of the note
Block regulates and controls the irrigation flow and water injecting electromagnetic valve injection flow of the irrigation pump.
3. a kind of fertilizer applicator automatic control system according to claim 2, it is characterised in that the slave computer also includes report
Alert module, the alarm module is used to be alarmed according to fertilizer solution concentration predetermined threshold value, complex fertilizer case liquid level predetermined threshold value.
4. a kind of fertilizer applicator automatic control system according to claim 3, it is characterised in that the alarm module includes lamp
Light alarm module, the light warning module is connected with alarm lamp, for being alarmed by light flash.
5. a kind of fertilizer applicator automatic control system according to claim 4, it is characterised in that the alarm module also includes
Voice alarm module, the voice alarm module is used to be alarmed by voice message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621410603.XU CN206282125U (en) | 2016-12-21 | 2016-12-21 | A kind of fertilizer applicator automatic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621410603.XU CN206282125U (en) | 2016-12-21 | 2016-12-21 | A kind of fertilizer applicator automatic control system |
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| Publication Number | Publication Date |
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| CN206282125U true CN206282125U (en) | 2017-06-27 |
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ID=59073726
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| CN201621410603.XU Active CN206282125U (en) | 2016-12-21 | 2016-12-21 | A kind of fertilizer applicator automatic control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493786A (en) * | 2017-08-24 | 2017-12-22 | 昆明理工大学 | A kind of Development of Venturi Fertilizer Applicator fertilzer sucking pipe flow control device and its control method |
| CN110063249A (en) * | 2019-04-24 | 2019-07-30 | 校瑞华 | Nutrient solution system and its control method for plantation |
| CN111468031A (en) * | 2020-03-17 | 2020-07-31 | 江苏大学 | Automatic and accurate water and fertilizer proportioning control system and control method for sprinkling irrigation unit |
| CN111727713A (en) * | 2020-05-14 | 2020-10-02 | 山东农业大学 | Simple water and fertilizer integrated automatic control fertilizer injection system and method for orchard |
-
2016
- 2016-12-21 CN CN201621410603.XU patent/CN206282125U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493786A (en) * | 2017-08-24 | 2017-12-22 | 昆明理工大学 | A kind of Development of Venturi Fertilizer Applicator fertilzer sucking pipe flow control device and its control method |
| CN110063249A (en) * | 2019-04-24 | 2019-07-30 | 校瑞华 | Nutrient solution system and its control method for plantation |
| CN111468031A (en) * | 2020-03-17 | 2020-07-31 | 江苏大学 | Automatic and accurate water and fertilizer proportioning control system and control method for sprinkling irrigation unit |
| CN111727713A (en) * | 2020-05-14 | 2020-10-02 | 山东农业大学 | Simple water and fertilizer integrated automatic control fertilizer injection system and method for orchard |
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