CN104396702A - Automatic fertilization and irrigation system for syzygium samarangense facility cultivation - Google Patents
Automatic fertilization and irrigation system for syzygium samarangense facility cultivation Download PDFInfo
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- CN104396702A CN104396702A CN201410799967.0A CN201410799967A CN104396702A CN 104396702 A CN104396702 A CN 104396702A CN 201410799967 A CN201410799967 A CN 201410799967A CN 104396702 A CN104396702 A CN 104396702A
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- control
- valve
- irrigation system
- wax
- flow
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/165—Cyclic operations, timing systems, timing valves, impulse operations
-
- 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
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses an automatic fertilization and irrigation system for syzygium samarangense facility cultivation. The system comprises a water pump, a first control valve, a second control valve, a third control valve, a fertilizer injector, a fertilizer stirrer, a flowmeter, a control module, a reducing valve, a valve, a fourth control valve, a filtering system, a sediment flushing outlet and a micro-irrigation system. According to the system, flow is accurately controlled in an electronic control and manual control combined manner, errors can be automatically adjusted, labor force is reduced, the cost, the labor and the time are saved, and the efficiency is increased.
Description
Technical field
The invention discloses a kind of wax-apple facility cultivation liquid manure automatic irrigation system, relate to agricultural equipment field of energy-saving technology.
Background technology
Wax-apple is named again sky peach, water Portugal, wax jambo, and belonging to Myrtaceae (Myrtaceae) gurgeon stopper and belong to (Syzygium), is a kind of important fruit tree in many tropical and subtropical countries.Wax-apple originates in country in Southeast Asia; all there is plantation on the ground such as present Taiwan, Hainan, Guangxi, Guangdong, Yunnan, Fujian; most advanced and the largest place of wax-apple technology is planted in Taiwan in the world; Hainan is the plantation optimal place of wax-apple, continent; especially the Qionghai plantation kind of wax-apple and largest; at the end of 2011, Qionghai City wax-apple cultivated area reaches more than 5500 mu, and planting scale is also in rapid expansion trend, and wax-apple has become one of important channel of city's farmer richness.
Wax-apple is various in style, generally be divided into the 8 large classes such as bright red, dark red, pink, light red, cyan, white, Wenchang rascal, the bar-shaped white in Hainan according to fruit look, the kinds such as the red diamond of the red and large fruit system of Thailand of the black pearl of pink class that what current planting scale was maximum is, NCC, great Ye, the fruit shape of these kinds is large, shape and color is good, and sugariness, mouthfeel are good, and output is high, very popular, there is very high economic worth.Perfume palm wax-apple is the large fruit that Taiwan cultivates recently is kind, and this kind wax-apple fruit is large, outward appearance is good, taste is excellent, fruit one reach half jin multiple, thoroughly black during outward appearance is red, there is unique fragrant fruity and sugarcane taste, sugariness 12 ~ 13, highly palatable, be top grade in wax-apple.At present, perfume palm wax-apple just has fragmentary plantation in the city, has vast potential for future development.
Wax-apple is high to moisture requirement, and Zhou Nianjun need have sufficient moisture supply.Meanwhile, usually mid-April based on nitrogenous fertilizer (accounting for 50% of total amount), join and execute phosphorus, potash fertilizer (accounting for 25% of total amount); Mid-July, flowering fruit bearing stage executed phosphorus, potash fertilizer (accounting for 25% of total amount); Combine after mid or late August fruit harvesting and prune heavy dressing nitrogen, phosphorus, potash fertilizer, account for 50% of total amount, separately add compost 10 kilograms/strain.When result is many, bearing fruit period can foliage-spray nitrogen, phosphorus and trace element.Therefore the water and fertilizer irrigation work manpower of wax-apple is very heavy, and easily too much or very few confession, simultaneously because chemical fertilizer too much causes the pollution of soil environment, is unfavorable for the protection of ecotope.
Summary of the invention
Technical problem to be solved by this invention is: for the defect of prior art, a kind of wax-apple facility cultivation liquid manure automatic irrigation system is provided, the mode adopting Electronic Control to combine with Non-follow control controls flow, flow-control accurately and automatically regulate with error, reduce manpower, cost-saving synergistic, saving of work and time.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of wax-apple facility cultivation liquid manure automatic irrigation system, comprises water pump, the first control valve, the second control valve, the 3rd control valve, fertilizer injector, fertilizer agitator, flowmeter, control module, pressure-reducing valve, valve, the 4th control valve, filtration system, sand discharge hole and irrigation system;
Described water pump, the first control valve, flowmeter, pressure-reducing valve, filtration system, sand discharge hole, irrigation system are connected successively;
Described water delivery side of pump is connected with fertilizer injector by the second control valve, and the output of described fertilizer injector is connected with flowmeter by the 3rd control valve;
The input of described fertilizer injector is connected with the output of fertilizer agitator, and the input of described fertilizer agitator is connected with pressure-reducing valve by the 4th control valve;
Described flowmeter is also connected with control module;
Described pressure-reducing valve also connects valve.
As further prioritization scheme of the present invention, also comprise manometer, described manometer is located between pressure-reducing valve and filtration system.
As further prioritization scheme of the present invention, described control module comprises central processing unit, wireless communication module, and described central processing unit is connected with flowmeter, and described central processing unit is connected with wireless communication module.
As further prioritization scheme of the present invention, wireless communication module comprises bluetooth module and Anneta module.
As further prioritization scheme of the present invention, described filtration system adopts centrifugal filter.
Make further prioritization scheme of the present invention, described control module controls flow valve and adopts following control method:
Take scheduled duration as control cycle, adopt digital incremental pid control algorithm to regulate, control module produces pwm pulse waveform, by the flow regulating the dutycycle of PWM waveform to carry out adjust flux valve;
In each control cycle, definition error e=Q (t)-Q
set, the flow value that Q (t) is t, Q
setfor the settings of flow, preserve 3 flow values Q (k) of continuous sampling, Q (k-1), Q (k-2), calculate the error amount in kth moment, k-1 moment, k-2 moment respectively, be respectively e (k), e (k-1), e (k-2), then controlling increment is:
Δ u (k)=K
p[e (k)-e (k-1)]+K
ie (k)+K
d[e (k)-2e (k-1)+e (k-2)], wherein, K
pproportionality coefficient, K
iintegral coefficient, K
dbe differential coefficient, Δ u (k) represents the increment of adjustment of kth moment flow valve angle in t control cycle, calculates PWM duty cycle adjustment increment according to controlling increment;
When error amount is larger, integration can make algorithm produce overshoot, causes system unstable; An error threshold β is set, when the error amount of flow
| e|during higher than error threshold β, enter PD and control, such as start and stop process; Otherwise, enter PID and control.
The present invention adopts above technical scheme compared with prior art, have following technique effect: the present invention controls flow adopting the mode that combines with Non-follow control of Electronic Control, flow-control accurately and automatically regulate with error, minimizing manpower, cost-saving synergistic, saving of work and time.
Accompanying drawing explanation
Fig. 1 is system architecture model calling schematic diagram of the present invention;
Fig. 2 is control module schematic diagram of the present invention;
Fig. 3 is the control flow chart of control module of the present invention.
Embodiment
Be described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
System architecture model calling schematic diagram of the present invention as shown in Figure 1, a kind of wax-apple facility cultivation liquid manure automatic irrigation system, comprises water pump, the first control valve, the second control valve, the 3rd control valve, fertilizer injector, fertilizer agitator, flowmeter, control module, pressure-reducing valve, valve, the 4th control valve, filtration system, sand discharge hole and irrigation system;
Described water pump, the first control valve, flowmeter, pressure-reducing valve, filtration system, sand discharge hole, irrigation system are connected successively; Described water delivery side of pump is connected with fertilizer injector by the second control valve, and the output of described fertilizer injector is connected with flowmeter by the 3rd control valve; The input of described fertilizer injector is connected with the output of fertilizer agitator, and the input of described fertilizer agitator is connected with pressure-reducing valve by the 4th control valve; Described flowmeter is also connected with control module; Described pressure-reducing valve also connects valve.
Described water pump extracts running water and enters the first control valve, now fertilizer injector is by extracting the fertilizer in fertilizer agitator, fertilizer enters pressure-reducing valve by flowmeter and reduces pressure after the 3rd control valve mixes with running water, user manually submits pressure-reducing valve to by valve, fertilizer enters filtration system via pressure-reducing valve and filters, and then enters sand discharge hole and removes the irrigation system that the large grains of sand prevent from blocking rear end; Control module can observe current flow by flowmeter, can adjust flow or control, and pressure-reducing valve is by shunting fertilizer, and a part of fertilizer after shunting enters filtration system, and another part enters fertilizer agitator by the 4th control valve.
Also comprise manometer, described manometer is located between pressure-reducing valve and filtration system, the pressure that Observable is current, the pressure condition that examinations is current, more intuitively.
Wireless communication module comprises bluetooth module and Anneta module; Data transmit data by bluetooth module and Anneta module, and described filtration system adopts centrifugal filter.
Control module comprises central processing unit, wireless communication module, and described central processing unit is connected with flowmeter, and described central processing unit is connected with wireless communication module, and described control module controls flow valve and adopts following control method:
Take scheduled duration as control cycle, adopt digital incremental pid control algorithm to regulate, control module produces pwm pulse waveform, by the flow regulating the dutycycle of PWM waveform to carry out adjust flux valve;
As shown in Figures 2 and 3, in each control cycle, definition error e=Q (t)-Q
set, the flow value that Q (t) is t, Q
setfor flow set value, preserve 3 flow values Q (k) of continuous sampling, Q (k-1), Q (k-2), calculates the error amount in kth moment, k-1 moment, k-2 moment respectively, is respectively e (k), e (k-1), e (k-2);
Then controlling increment is:
Δ u (k)=K
p[e (k)-e (k-1)]+K
ie (k)+K
d[e (k)-2e (k-1)+e (k-2)], wherein, K
pproportionality coefficient, K
iintegral coefficient, K
dbe differential coefficient, Δ u (k) represents the increment of adjustment of kth moment flow valve angle in t control cycle, calculates PWM duty cycle adjustment increment according to controlling increment;
When error amount is larger, integration can make algorithm produce overshoot, causes system unstable; An error threshold β is set, when the error amount of flow | when e| is higher than error threshold β, enters PD and control, such as start and stop process; Otherwise, enter PID and control, time such as changes in flow rate is little.
Three k of PID
p, k
i, k
dparameter adopts existing simulated annealing optimization algorithm to draw, also draw by field adjustable, as shown in Figure 2, what whole control module adopted is closed-loop control, arranging to regulate and irrigate the size of flow by flow in central module, Flow-rate adjustment algorithm adopts pid algorithm.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to technical spirit of the present invention, within the spirit and principles in the present invention, to any simple amendment that above embodiment is done, equivalent replacement and improvement etc., within the protection domain all still belonging to technical solution of the present invention.
Claims (6)
1. a wax-apple facility cultivation liquid manure automatic irrigation system, is characterized in that: comprise water pump, the first control valve, the second control valve, the 3rd control valve, fertilizer injector, fertilizer agitator, flowmeter, control module, pressure-reducing valve, valve, the 4th control valve, filtration system, sand discharge hole and irrigation system;
Described water pump, the first control valve, flowmeter, pressure-reducing valve, filtration system, sand discharge hole, irrigation system are connected successively;
Described water delivery side of pump is connected with fertilizer injector by the second control valve, and the output of described fertilizer injector is connected with flowmeter by the 3rd control valve;
The input of described fertilizer injector is connected with the output of fertilizer agitator, and the input of described fertilizer agitator is connected with pressure-reducing valve by the 4th control valve;
Described flowmeter is also connected with control module;
Described pressure-reducing valve also connects valve.
2. a kind of wax-apple facility cultivation liquid manure automatic irrigation system according to claim 1, it is characterized in that: also comprise manometer, described manometer is located between pressure-reducing valve and filtration system.
3. a kind of wax-apple facility cultivation liquid manure automatic irrigation system according to claim 1, it is characterized in that: described control module comprises central processing unit, wireless communication module, described central processing unit is connected with flowmeter, and described central processing unit is connected with wireless communication module.
4. a kind of wax-apple facility cultivation liquid manure automatic irrigation system according to claim 3, is characterized in that: wireless communication module comprises bluetooth module and Anneta module.
5. a kind of wax-apple facility cultivation liquid manure automatic irrigation system according to claim 1, is characterized in that: described filtration system adopts centrifugal filter.
6. a kind of wax-apple facility cultivation liquid manure automatic irrigation system according to claim 1, is characterized in that: described control module controls flow valve and adopts following control method:
Take scheduled duration as control cycle, adopt digital incremental pid control algorithm to regulate, control module produces pwm pulse waveform, by the flow regulating the dutycycle of PWM waveform to carry out adjust flux valve;
In each control cycle, definition error e=Q (t)-Q
set, the flow value that Q (t) is t, Q
setfor the settings of flow, preserve 3 flow values Q (k) of continuous sampling, Q (k-1), Q (k-2), calculate the error amount in kth moment, k-1 moment, k-2 moment respectively, be respectively e (k), e (k-1), e (k-2), then controlling increment is:
Δ u (k)=K
p[e (k)-e (k-1)]+K
ie (k)+K
d[e (k)-2e (k-1)+e (k-2)], wherein, K
pproportionality coefficient, K
iintegral coefficient, K
dbe differential coefficient, Δ u (k) to represent in t control cycle
kthe increment of adjustment of moment flow valve angle, calculates PWM duty cycle adjustment increment according to controlling increment;
An error threshold β is set, when the error amount of flow is higher than error threshold β, enters PD and control; Otherwise, enter PID and control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799967.0A CN104396702B (en) | 2014-12-19 | 2014-12-19 | A kind of wax-apple facility cultivation liquid manure automatic irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799967.0A CN104396702B (en) | 2014-12-19 | 2014-12-19 | A kind of wax-apple facility cultivation liquid manure automatic irrigation system |
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| Publication Number | Publication Date |
|---|---|
| CN104396702A true CN104396702A (en) | 2015-03-11 |
| CN104396702B CN104396702B (en) | 2016-06-08 |
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ID=52634431
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410799967.0A Active CN104396702B (en) | 2014-12-19 | 2014-12-19 | A kind of wax-apple facility cultivation liquid manure automatic irrigation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028135A (en) * | 2015-07-07 | 2015-11-11 | 柳州市盛鑫隆花卉种植专业合作社 | Solar water and fertilizer integration grape drip irrigation system |
| CN112136461A (en) * | 2020-11-24 | 2020-12-29 | 山东汇金海智慧农业研究院有限公司 | Accurate and uniform fertilization control system for water and fertilizer and control method thereof |
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| CN2640213Y (en) * | 2003-07-29 | 2004-09-15 | 中国农业大学 | Full automatic integrated machine for irrigating, fertilizing and filtering |
| CN102090288A (en) * | 2010-12-14 | 2011-06-15 | 江苏大学 | Device and method for monitoring working condition of automatic irrigation fertilizer distributor |
| CN203523436U (en) * | 2013-10-23 | 2014-04-09 | 西南民族大学 | Ecological greenhouse |
| CN203663533U (en) * | 2013-12-13 | 2014-06-25 | 欧阳良斌 | Self-cleaning screen filter for agricultural micro-irrigation system |
| CN204335485U (en) * | 2014-12-19 | 2015-05-20 | 农业部南京农业机械化研究所 | A kind of wax-apple facility cultivation liquid manure automatic irrigation system |
-
2014
- 2014-12-19 CN CN201410799967.0A patent/CN104396702B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2640213Y (en) * | 2003-07-29 | 2004-09-15 | 中国农业大学 | Full automatic integrated machine for irrigating, fertilizing and filtering |
| CN102090288A (en) * | 2010-12-14 | 2011-06-15 | 江苏大学 | Device and method for monitoring working condition of automatic irrigation fertilizer distributor |
| CN203523436U (en) * | 2013-10-23 | 2014-04-09 | 西南民族大学 | Ecological greenhouse |
| CN203663533U (en) * | 2013-12-13 | 2014-06-25 | 欧阳良斌 | Self-cleaning screen filter for agricultural micro-irrigation system |
| CN204335485U (en) * | 2014-12-19 | 2015-05-20 | 农业部南京农业机械化研究所 | A kind of wax-apple facility cultivation liquid manure automatic irrigation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028135A (en) * | 2015-07-07 | 2015-11-11 | 柳州市盛鑫隆花卉种植专业合作社 | Solar water and fertilizer integration grape drip irrigation system |
| CN112136461A (en) * | 2020-11-24 | 2020-12-29 | 山东汇金海智慧农业研究院有限公司 | Accurate and uniform fertilization control system for water and fertilizer and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN104396702B (en) | 2016-06-08 |
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