CN205249966U - A wireless automatic drip irrigation system for different crops - Google Patents

A wireless automatic drip irrigation system for different crops Download PDF

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Publication number
CN205249966U
CN205249966U CN201521119582.1U CN201521119582U CN205249966U CN 205249966 U CN205249966 U CN 205249966U CN 201521119582 U CN201521119582 U CN 201521119582U CN 205249966 U CN205249966 U CN 205249966U
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China
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control unit
drip irrigation
unit
water
sub
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CN201521119582.1U
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Chinese (zh)
Inventor
马得银
冯亚萍
张楠
刘俊辉
陈立
温亚飞
胡俊
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

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Abstract

The utility model provides a wireless automatic drip irrigation system for different crops, including driping irrigation a plurality of branch accuse parts of driping irrigation of total accuse subtotal, it includes the water supply unit of control cable connection and always controls the unit to drip irrigation total accuse part, always control the unit including total treater and wireless module I, it sets up on the landmass of growing different crops respectively to drip irrigation branch accuse part, including the governing valve, divide the accuse unit and drip irrigation the unit, divide the accuse unit to include soil moisture acquisition sensor, divide the treater, flow control valve and wireless module II, drip irrigation the unit and drip irrigation the nest of tubes by connecting on flow control valve, flow control valve is equipped with step motor and step motor driver that control flap opened the size. This system drips irrigation branch accuse part and can combine the crop in the water requirement in the different growth periods corresponding procedure of branch treater establishment to minute accuse unit, combines the soil moisture content information of being gathered by soil moisture acquisition sensor by minute treater, formulates and drips irrigation tactics to realize categorised, meticulous irrigation by driping irrigation the control of total accuse part.

Description

A kind of wireless automatic drip irrigation system for Different Crop
Technical field
The utility model belongs to warmhouse booth administrative skill field, relates in particular to a kind of wireless automatic drip irrigation system for Different Crop.
Background technology
Traditional warmhouse booth often relies on peasant household's experience to carry out the irrigation of hand switch valve-type and management in the time carrying out crop irrigation, shortcoming is that not only labour intensity is large but also judge with naked eyes whether crop needs to irrigate and the degree of irrigation, and the accuracy efficiency of management that is nowhere near is low; Although rotating spraying fill system can be realized partial automation, its water spray is inhomogeneous there is gradient difference on its different spray radius, and the mode of spraying is in addition sprayed all soils, can not directly act on plant root, and water saving ability is poor; Also some can realize the control appliance of automatic dripping irrigation, but it exists system architecture complexity, can not select the shortcomings such as Different Irrigation scheme according to Different Crop to plot, adopts in addition wire cable link cost higher, poor in follow-up maintenance and reliability.
Utility model content
The purpose of this utility model is to provide a kind of wireless automatic drip irrigation system for Different Crop, can formulate irrigation strategy targetedly according to the soil moisture content in the water requirement of Different Crop and soil, realize precision irrigation, to improve irrigation water utilization rate and automatization level in agricultural production.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of wireless automatic drip irrigation system for Different Crop, comprise drip irrigation master control part and multiple drip irrigation sub-control part, drip irrigation master control part is by forming for water unit and Master Control Unit, be connected by control cables with Master Control Unit for water unit, Master Control Unit sends instruction unpack or closes for water unit, Master Control Unit comprises total processor and wireless module I, drip irrigation sub-control part is separately positioned on the plot of growing different crops, by control valve, sub-control unit and drip irrigation unit composition, sub-control unit comprises soil moisture pick-up transducers, divisional processing device, flow control valve and wireless module II, drip irrigation unit is made up of the drip irrigation pipe being connected on flow control valve, flow control valve is provided with by-pass valve control and opens big or small stepper motor and stepper motor driver, divisional processing device in sub-control unit is determined after duty according to the soil moisture content of crop demand and the acquisition of soil moisture pick-up transducers, send to Master Control Unit the request of irrigation by wireless module II, Master Control Unit control is opened for water unit, make irrigation water cross the control valve of sub-control unit through water supply unit stream, simultaneously, sub-control unit is by the angle of stepper motor driver control step electric machine rotation, and then the opening degree of adjustment flow control valve, after duty described in reaching, closed for water unit by Master Control Unit, and send instruction to sub-control unit, close flow control valve by sub-control unit controls stepper motor, and then complete drip irrigation process one time.
Described Master Control Unit and sub-control unit are respectively equipped with clock circuit module, to set watering period and the irrigation time of Different Crop.
Described is water pump for water unit, and in Master Control Unit, is provided with relay and the relay drive circuit of controlling pump power keying, and relay drive circuit comprises triode and optocoupler.
Described is magnetic valve for water unit.
Described Master Control Unit is provided with water insufficiency alarm device.
Described Master Control Unit and sub-control unit are equipped with display unit.
Between water unit and Master Control Unit, water meter is installed in described supplying.
Described total processor and divisional processing device are flush bonding processor STM32L0.
Wireless module I and wireless module II in described main control unit and sub-control unit all adopt nRF24L01 chip.
In described Master Control Unit, be provided with the A.C. contactor coordinating with relay drive circuit.
Compared with prior art, the beneficial effects of the utility model are:
First, the utility model automaticity is high, irrigation process does not need artificial participation, enhance productivity, there is very strong practicality, flexibility, autgmentability and novelty, not only improved operating efficiency and greatly alleviated the work load of peasant household but also reduced and irrigated by rule of thumb the unnecessary waste causing, dependable performance of the present invention simultaneously, cheap, easy to use be not only applicable to greenhouse gardening and also be applicable to land for growing field crops irrigate, have very high promotional value.
Second, the utility model by arranging drip irrigation sub-control part on the plot of Different Crop, and in the water requirement of different growing stages, the divisional processing device of sub-control unit is worked out to corresponding program in conjunction with crop, the information on soil moisture being collected by soil moisture pick-up transducers by the combination of divisional processing device, formulate drip irrigation strategy targetedly, and realize classification, meticulous irrigation by the control of drip irrigation master control part.
The 3rd, each sub-control unit and Master Control Unit are by wireless mode communication, have avoided employing wire cable link cost higher, perishable poor reliability under warmhouse booth environment, and follow-up maintenance complexity, to problems such as operating personnel's yoke.
The 4th, Master Control Unit and sub-control unit are all equipped with clock circuit module, can realize the accurate control (as certain growth one month of season, 21 hour drip irrigation times of front drip irrigation weekly, latter two weeks drip irrigations 3 times are each 1.5 hours) in drip irrigation time and drip irrigation cycle; Also can realize on the other hand the simultaneously operating between each control module.
The 5th, sub-control unit is furnished with flow control valve, can under the control of chip, realize the control to the drip irrigation water yield, and the control of flow control valve is completed by stepper motor, and stepper motor drives reduction gearing, can improve the precision to Flux Valve Control.
The 6th, the utility model is also provided with water insufficiency alarm device, and when irrigation system fault (comprise while irrigation or) occurs when lack of water when irrigating, and sound and light alarm is sent in water insufficiency alarm device work.
The 7th, the utility model is also provided with display unit, just can show at the ground of drip irrigation number of blocks and crop water shortage state, soil moisture content, whether drip irrigation duty is normal and whether wireless telecommunications are normal, manages in time thereby be convenient to personnel.
The 8th, can be according to Different Crop, adjust the position of drip irrigation pipe apart from root system, crop root is carried out to drip irrigation, more even than individual plant duty with traditional irrigation mode, high conformity, directly acting on root system of plant etc., to need water position to reduce rising equal loss's water-saving result obvious.
The 9th, flush bonding processor STM32L0 operational mode power consumption 87 μ A/MHz, 1 μ A when standby mode, and, in the time that request is not all irrigated in each sub-control unit, Master Control Unit is closed for water unit, and Master Control Unit just can be in the low power consumpting state of dormancy to save the energy, until the next request of irrigating arrives like this.
The tenth, while adopting water pump for water unit, in Master Control Unit, be provided with and control relay and the relay drive circuit that pump power opens and closes, in the time not needing to irrigate, just can avoid water pump always in running order like this.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model.
Fig. 2 is the theory diagram of Master Control Unit.
Fig. 3 is the theory diagram of sub-control unit.
Mark in figure: 1, water source, 2, for water unit, 3, water meter, 4, Master Control Unit, 5, control valve, 6, sub-control unit, 7, drip irrigation unit, 8, total processor, 9, display unit, 10, water insufficiency alarm device, 11, clock circuit module, 12, wireless module I, 13, relay drive circuit, 14, for water unit, 15, divisional processing device, 16, soil moisture pick-up transducers, 17, wireless module II, 18, stepper motor, 19, flow control valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, by specific embodiment the utility model is further described.
As shown in the figure, for a wireless automatic drip irrigation system for Different Crop, flow to and be divided into drip irrigation master control part and drip irrigation sub-control part according to irrigation water, the kind of the crop of cultivating is four kinds, therefore be divided into A, B, C, tetra-plot of D, a set of drip irrigation sub-control part is respectively set in each plot.
Drip irrigation master control part is by forming for water unit 2, water meter 3 and Master Control Unit 4, way of supplying water can adopt water pump to supply water or tap water pipeline supplies water, Master Control Unit 4 is made up of flush bonding processor STM32L0, display unit 9, water insufficiency alarm device 10, wireless module I 12 and clock circuit module 11, in the time adopting tap water pipeline to supply water, be the magnetic valve being arranged on water supply line for water unit 2, Master Control Unit 4 passes through cable connected electromagnetic valve, and controls opening or closing of magnetic valve; In the time adopting water pump to supply water, be water pump for water unit 2, Master Control Unit 4 is also provided with relay and relay drive circuit 13, is controlled the unlatching of pump power or is closed by relay drive circuit 13, avoid in the time not needing to irrigate, water pump is always in running order; Described water meter 3 is arranged on Master Control Unit 4 and supplies on the pipeline between water unit 2; Wireless module I 12 adopts nRF24L01 chip, is responsible for receiving the irrigation request from sub-control unit 6, and assigns control instruction to each sub-control unit 6.
Described relay drive circuit 13 is made up of triode and optocoupler, the about 1-10A of relay on-off electric current, enough control magnetic valve break-make, also be applicable to small pump, the following 220v(of for example 2.2KW is single-phase) water pump or the following 380V(three-phase of 3KW) water pump, but, for more powerful water pump, need on relay basis, install A.C. contactor additional.
The drip irrigation sub-control part-structure that lays respectively at A, B, C, tetra-plot of D is identical, is now only elaborated as an example of the drip irrigation sub-control part in the A of plot example.
Drip irrigation sub-control part is by control valve 5, sub-control unit 6 and drip irrigation unit 7 form, sub-control unit 6 comprises soil moisture pick-up transducers 16, flush bonding processor STM32L0, clock circuit module 11, stepper motor 18, flow control valve 19, display unit 9 and wireless module II 17, soil moisture pick-up transducers 16 is embedded in soil, stepper motor 18 is controlled the size of flow control valve 19 valve openings, and by the rotational angle of stepper motor driving circuit control step motor 18, stepper motor driving circuit is made up of un2003, adjust the unlatching size of flow control valve 19 by the variation of stepper motor 18 rotational angles, the same nRF24L01 chip that adopts of wireless module II 17, in the time that needs are irrigated, sub-control unit 6 sends to Master Control Unit 4 request of irrigation by wireless signal, and Master Control Unit 4 is opened for water unit 2 and completed irrigation, and the controlled in wireless instruction from Master Control Unit 4 is also responsible for receiving in sub-control unit 6 in addition, drip irrigation unit 7 is made up of many drip irrigation pipe, and can, according to the difference of crop, adjust the distance between drip irrigation pipe and crop root.
Clock circuit module 11 in above Master Control Unit 4 and sub-control unit 6 adopts DS1302 to provide accurate clock for whole system, DS1302 is a kind of high-performance low-power-consumption of DALLAS company of U.S. release, the real time clock circuit with RAM, it can to year, month, day, Sunday, time, minute, second carries out timing, have leap year compensate function, operating voltage is 2.5V~5.5V. Be connected with processor by spi bus, have the low-power consumption real time clock circuit of the thin current charges ability of tiny stream, when show state, electric current is 2 μ A (representative value), is less than 1 μ A when battery saving mode. Be furnished with 3V button cell power supply in support, in the situation that main power source cuts out, also can keep the continuous operation of clock. Adopt Master Control Unit 4 after clock circuit to take irrigation strategy to the difference of irrigation time demand according to crop, if any crop be applicable to irrigating night, can also start by set date, save the energy.
Display unit 9 in above Master Control Unit 4 and sub-control unit 6 can adopt different display screens or display mode according to actual conditions, for example: liquid crystal display, charactron or led light emitting diode etc., thereby whether the plot, the exsiccosis in drip irrigation plot, the radio communication that show the request of irrigation in the display unit 9 of Master Control Unit 4 normal, in the display unit 9 of sub-control unit 6, show soil whether lack of water, whether drip irrigation cell operation normal, whether radio communication normal etc.
Enter after the watering period, in the time that the soil moisture information that soil moisture pick-up transducers 16 collects does not reach plant growth demand after sub-control unit 6 flush bonding processor STM32L0 analyze, soil lack of water information is shown in display unit 9, and send to Master Control Unit 4 request of irrigation by wireless module II 17, Master Control Unit 4 is opened for water unit 2, make irrigation water through flow to the control valve 5 of sub-control unit 6 for water unit 2, simultaneously the flush bonding processor STM32L0 of Master Control Unit 4 according to concrete water requirements of crops according to program in conjunction with clock circuit module determine the drip irrigation time and duty how many, and this information is passed to sub-control unit 6, the angle of being rotated by stepper motor driving circuit control step motor 18 by sub-control unit 6, to adjust the size of flow control valve 19, meet the demand of crop to irrigation water, reaching after duty, closed for water unit 2 by Master Control Unit 4, and send instruction to sub-control unit 6, close flow control valve 19 by sub-control unit 6 control step motors 18, and then complete drip irrigation process one time.
In the time that request is not all irrigated in A, B, C, a D4 intramassif sub-control unit 6, Master Control Unit 4 is closed for water unit 2, and the low power consumpting state of Master Control Unit 4 in dormancy is to save the energy, until the next request of irrigating arrives.
After a drip irrigation end cycle, the flush bonding processor STM32L0 of Master Control Unit 4 sends dormancy instruction, make the sub-control unit 6 of having irrigated plot enter low power consumpting state, in the time that the next watering period arrives, again sub-control unit 6 is waken up, repeat above-mentioned drip irrigation process.

Claims (10)

1. the wireless automatic drip irrigation system for Different Crop, it is characterized in that: comprise drip irrigation master control part and multiple drip irrigation sub-control part, drip irrigation master control part is by forming for water unit (2) and Master Control Unit (4), be connected by control cables with Master Control Unit (4) for water unit (2), Master Control Unit (4) sends instruction unpack or closes for water unit (2), Master Control Unit (4) comprises total processor (8) and wireless module I (12), drip irrigation sub-control part is separately positioned on the plot of growing different crops, by control valve (5), sub-control unit (6) and drip irrigation unit (7) composition, sub-control unit (6) comprises soil moisture pick-up transducers (16), divisional processing device (15), flow control valve (19) and wireless module II (17), drip irrigation unit (7) is made up of the drip irrigation pipe being connected on flow control valve (19), flow control valve (19) is provided with by-pass valve control and opens big or small stepper motor (18) and stepper motor driver, divisional processing device (15) in sub-control unit (6) is determined after duty according to the soil moisture content of crop demand and soil moisture pick-up transducers (16) acquisition, send to Master Control Unit (4) request of irrigation by wireless module II (17), Master Control Unit (4) is controlled and is opened for water unit (2), make irrigation water through flow through the control valve (5) of sub-control unit (6) for water unit (2), simultaneously, the angle that sub-control unit (6) rotates by stepper motor driver control step motor (18), and then the opening degree of adjustment flow control valve (19), after duty described in reaching, closed for water unit (2) by Master Control Unit (4), and send instruction to sub-control unit (6), close flow control valve (19) by sub-control unit (6) control step motor (18), and then complete drip irrigation process one time.
2. a kind of wireless automatic drip irrigation system for Different Crop according to claim 1, it is characterized in that: described Master Control Unit (4) and sub-control unit (6) are respectively equipped with clock circuit module (11), to set watering period and the irrigation time of Different Crop.
3. a kind of wireless automatic drip irrigation system for Different Crop according to claim 1, it is characterized in that: described is water pump for water unit (2), and in Master Control Unit (4), being provided with relay and the relay drive circuit (13) of controlling pump power keying, relay drive circuit (13) comprises triode and optocoupler.
4. a kind of wireless automatic drip irrigation system for Different Crop according to claim 1, is characterized in that: described is magnetic valve for water unit (2).
5. a kind of wireless automatic drip irrigation system for Different Crop according to claim 1, is characterized in that: described Master Control Unit (4) is provided with water insufficiency alarm device (10).
6. a kind of wireless automatic drip irrigation system for Different Crop according to claim 1, is characterized in that: described Master Control Unit (4) and sub-control unit (6) are equipped with display unit (9).
7. a kind of wireless automatic drip irrigation system for Different Crop according to claim 1, is characterized in that: between water unit (2) and Master Control Unit (4), water meter (3) is installed in described supplying.
8. a kind of wireless automatic drip irrigation system for Different Crop according to claim 1, is characterized in that: described total processor (8) and divisional processing device (15) are flush bonding processor STM32L0.
9. a kind of wireless automatic drip irrigation system for Different Crop according to claim 1, is characterized in that: described wireless module I (12) and wireless module II (17) all adopt nRF24L01 chip.
10. a kind of wireless automatic drip irrigation system for Different Crop according to claim 3, is characterized in that: in described Master Control Unit (4), be provided with and relay drive circuit (13) coordinate A.C. contactor.
CN201521119582.1U 2015-12-30 2015-12-30 A wireless automatic drip irrigation system for different crops Expired - Fee Related CN205249966U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106212109A (en) * 2016-07-13 2016-12-14 杨林 A kind of self-action field irrigation system of high security
CN106419568A (en) * 2016-11-30 2017-02-22 河北工业大学 Remotely-controlled automatic tea-making machine
CN106618556A (en) * 2017-02-20 2017-05-10 成都心医云科技有限公司 Wearable dynamic cardiovascular disease monitor
CN107242116A (en) * 2017-05-30 2017-10-13 李晓旭 A kind of household wireless intelligent watering system based on NRF24L01 chips
CN110896831A (en) * 2019-12-04 2020-03-24 西安建筑科技大学 Intelligent green land sprinkling irrigation system and method capable of automatically adjusting sprinkling irrigation intensity in real time
CN111158326A (en) * 2020-01-03 2020-05-15 重庆特斯联智慧科技股份有限公司 Intelligent water spray control method and system based on big data time-varying analysis
WO2023115199A1 (en) * 2021-12-21 2023-06-29 Hexo Operations Inc. Methods, assemblies and systems for outdoor cannabis cultivation

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106212109A (en) * 2016-07-13 2016-12-14 杨林 A kind of self-action field irrigation system of high security
CN106419568A (en) * 2016-11-30 2017-02-22 河北工业大学 Remotely-controlled automatic tea-making machine
CN106618556A (en) * 2017-02-20 2017-05-10 成都心医云科技有限公司 Wearable dynamic cardiovascular disease monitor
CN107242116A (en) * 2017-05-30 2017-10-13 李晓旭 A kind of household wireless intelligent watering system based on NRF24L01 chips
CN110896831A (en) * 2019-12-04 2020-03-24 西安建筑科技大学 Intelligent green land sprinkling irrigation system and method capable of automatically adjusting sprinkling irrigation intensity in real time
CN111158326A (en) * 2020-01-03 2020-05-15 重庆特斯联智慧科技股份有限公司 Intelligent water spray control method and system based on big data time-varying analysis
CN111158326B (en) * 2020-01-03 2022-11-25 重庆特斯联智慧科技股份有限公司 Intelligent water spray control method and system based on big data time-varying analysis
WO2023115199A1 (en) * 2021-12-21 2023-06-29 Hexo Operations Inc. Methods, assemblies and systems for outdoor cannabis cultivation

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Termination date: 20161230