CN105519408A - Wireless network terminal node with function of automatic water-saving irrigation and application thereof - Google Patents

Wireless network terminal node with function of automatic water-saving irrigation and application thereof Download PDF

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Publication number
CN105519408A
CN105519408A CN201511026446.2A CN201511026446A CN105519408A CN 105519408 A CN105519408 A CN 105519408A CN 201511026446 A CN201511026446 A CN 201511026446A CN 105519408 A CN105519408 A CN 105519408A
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CN
China
Prior art keywords
terminal node
wireless network
network terminal
rechargeable battery
solenoid valve
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CN201511026446.2A
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Chinese (zh)
Inventor
霍孟友
顾雯雯
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Shandong University
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Shandong University
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Priority to CN201511026446.2A priority Critical patent/CN105519408A/en
Publication of CN105519408A publication Critical patent/CN105519408A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • A01G25/167Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Greenhouses (AREA)

Abstract

The invention relates to a wireless network terminal node with a function of automatic water-saving irrigation and application thereof. The wireless network terminal node comprises a ZigBee module, a temperature and humidity sensor, a water supply branch electromagnetic valve, a solar cell panel and a rechargeable battery, wherein the solar cell panel is electrically connected with the rechargeable battery; the rechargeable battery is electrically connected with the ZigBee module, the temperature and humidity sensor and the water supply branch electromagnetic valve respectively; and the ZigBee module is electrically connected with the temperature and humidity sensor and the water supply branch electromagnetic valve respectively. Detection on soil temperature and humidity and corresponding control on the water supply branch electromagnetic valve can be completed by means of the wireless network terminal node, and an irrigation control system is formed by the wireless network terminal node with master control equipment, so thatunattended automatic water-saving irrigation control for crops at different growing stages can be realized. The wireless network terminal node has the characteristics of high system layout flexibility, convenience in operation management, relatively low cost and the like, and is especially suitable for automatic water-saving irrigation control of large-area fields.

Description

A kind of wireless network terminal node of automatic water-saving irrigation and application thereof
Technical field
The present invention relates to a kind of wireless network terminal node and application thereof of automatic water-saving irrigation, belong to water-saving irrigation technique field.
Background technology
Nowadays, freshwater resources day by day deficient and human cost progressively increase the important directions making automatic water-saving irrigation technology become modernization Agriculture, forestry And Animal Husbandry sideline production water Irrigation Development.Unattended automatic water-saving irrigation equipment demand fulfillment comprises: soil temperature and humidity data acquisition, water supply branch road break-make independently control, for water management etc. many basic function requirements.Automatic water-saving irrigation for large area field controls, due to water supply branch road and soil temperature and humidity test point position more, if the mode of employing long distance line carries out electricity consumption supply and image data is transmitted, then there is layout difficulty, system flexibility is low and cause many unfavorable problems such as obstacle to management.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of automatic water-saving irrigation wireless network terminal node utilizing solar cell for supplying power completely, utilize some wireless network terminal nodes and main control device etc. jointly to form the device systems of automatic water-saving irrigation, complete unattended automatic water-saving irrigation work.
The present invention also provides the using method of the wireless network terminal node of above-mentioned a kind of automatic water-saving irrigation.
Technical scheme of the present invention is as follows:
A wireless network terminal node for automatic water-saving irrigation, comprises ZigBee module, Temperature Humidity Sensor, water supply props up way solenoid valve; It is characterized in that, also comprise solar panel and rechargeable battery, solar panel is electrically connected with rechargeable battery, rechargeable battery props up way solenoid valve be electrically connected with ZigBee module, Temperature Humidity Sensor, water supply respectively, and ZigBee module is also electrically connected with Temperature Humidity Sensor, a way solenoid valve that supplies water respectively.
Preferably, lithium polymer battery selected by described rechargeable battery.The benefit of this design is, lithium battery capacity is high, volume is little, lightweight, safety good.
Preferably, described Temperature Humidity Sensor selects soil temperature and humidity integrated transducer.The benefit of this design is, the Temperature Humidity Sensor integrated level of employing integration is high, convenient construction is installed, and saves the engineering time.
Preferably, way solenoid valve is propped up in described water supply is dc-battery valve IBV-101G.
Preferably, described solar panel is electrically connected with rechargeable battery by rechargeable battery charge management circuit.
Preferably, described rechargeable battery is electrically connected with ZigBee module by ZigBee module electricity consumption translation circuit.
Preferably, described rechargeable battery is electrically connected with Temperature Humidity Sensor by Temperature Humidity Sensor electricity consumption translation circuit.
Preferably, described rechargeable battery is electrically connected with a water supply way solenoid valve by a way solenoid valve electricity consumption translation circuit that supplies water.
Preferably, described ZigBee module is also electrically connected with Temperature Humidity Sensor, a way solenoid valve that supplies water respectively by Temperature Humidity Sensor electricity consumption translation circuit, a way solenoid valve electricity consumption translation circuit that supplies water.
A using method for the wireless network terminal node of automatic water-saving irrigation, comprises the following steps,
Soil moisture upper and lower limit monitoring parameter and soil temperature upper limit monitoring parameter is transmitted wirelessly according to the Different growth phases of crop to terminal node by main control device; Terminal node utilizes Temperature Humidity Sensor periodically to gather soil temperature and humidity information, and compare with the soil moisture upper and lower limit monitoring parameter stored and soil temperature upper limit monitoring parameter, when temperature exceedes upper limit monitoring parameter or humidity lower than lower limit monitoring parameter, send to main control device and irrigate solicited message; The solicited message decision-making that main control device sends according to terminal node whether irrigation water supply, if main control device supply irrigation water, sends to terminal node and irrigates order, the terminal node that all soil moisture does not reach the humid control upper limit is all opened a way solenoid valve that supplies water and is carried out irrigation operation, when soil moisture reaches upper limit monitoring parameter, terminal node is closed to supply water a way solenoid valve and send this terminal node to main control device and is irrigated ending message, when all terminal nodes terminate irrigation operation, main control device terminates irrigation water supply.
A kind of automatic water-saving irrigation system, comprises automatic water-saving irrigation main control device, and the wireless network terminal node of multiple above-mentioned automatic water-saving irrigation.
Beneficial effect of the present invention is:
1, the wireless network terminal node of automatic water-saving irrigation of the present invention utilize solar panel to power, rechargeable battery electric power storage, avoid the collection of traditional wire formula irrigated soil humidity data and power that the paving hemp existed is tired of, the problem of line complexity, its operation is simple, construction install convenience.
2, the ZigBee module in the present invention is utilized, achieve the wireless transmission of terminal node, the irrigation request signal of each terminal node or end are irrigated signal wireless and is transferred to main control device, main control device is according to irrigation solicited message or terminate the water supply of irrigation information control irrigation, reaches the object accurately implementing water-saving irrigation.
3, the wireless network terminal node of automatic water-saving irrigation of the present invention is powered without the need to additional power supply, utilizes clean energy resource solar energy can meet the work of terminal node, has saved and used electric resources.
4, the wireless network terminal node of automatic water-saving irrigation of the present invention, while the functional requirement meeting wireless network terminal node, have again that system layout flexibility is high, convenient operation management, lower-cost feature.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
Wherein: 1 is solar panel; 2 is rechargeable battery charge management circuit; 3 is rechargeable battery; 4 is soil temperature and humidity integrated transducer electricity consumption translation circuit; 5 is ZigBee module electricity consumption translation circuit; 6 is a way solenoid valve electricity consumption translation circuit that supplies water; 7 is soil temperature and humidity integrated transducer; 8 is ZigBee module; 9 is a way solenoid valve that supplies water.
Embodiment
Below by embodiment, also the present invention will be further described by reference to the accompanying drawings, but be not limited thereto.
Embodiment 1:
A kind of wireless network terminal node of automatic water-saving irrigation, comprise ZigBee module 8, Temperature Humidity Sensor 7, supply water way solenoid valve 9, solar panel 1, a rechargeable battery 3, rechargeable battery charge management circuit 2, ZigBee module electricity consumption translation circuit 5, Temperature Humidity Sensor electricity consumption translation circuit 4, a water supply way solenoid valve electricity consumption translation circuit 6; Solar panel 1 is electrically connected with rechargeable battery 3 by rechargeable battery charge management circuit 2, rechargeable battery 3 is electrically connected with ZigBee module 8 by ZigBee module electricity consumption translation circuit 5, be electrically connected with Temperature Humidity Sensor 7 by Temperature Humidity Sensor electricity consumption translation circuit 4, by supplying water, a way solenoid valve electricity consumption translation circuit 6 is electrically connected with a water supply way solenoid valve 9, and ZigBee module 8 is also electrically connected with Temperature Humidity Sensor electricity consumption translation circuit 4, a way solenoid valve electricity consumption translation circuit 6 that supplies water respectively.Its structural principle as shown in Figure 1.
Wherein, in the present embodiment, Temperature Humidity Sensor selects soil temperature and humidity integrated transducer, solar panel is charged for rechargeable battery 3 by rechargeable battery charge management circuit 2, and rechargeable battery 3 is powered to soil temperature and humidity integrated transducer 7, ZigBee module 8 and a way solenoid valve 9 that supplies water respectively by soil temperature and humidity integrated transducer electricity consumption translation circuit 4, ZigBee module electricity consumption translation circuit 5 and a way solenoid valve electricity consumption translation circuit 6 that supplies water; ZigBee module 8 utilizes soil temperature and humidity integrated transducer 7 to gather the temp. and humidity data of soil; ZigBee module 8 is connection control soil temperature and humidity integrated transducer electricity consumption translation circuit 4 and the output of propping up way solenoid valve electricity consumption translation circuit 9 of supplying water respectively also.
ZigBee module 8 master chip selects the enhancement mode 8051CPU chip CC2530 of collection 2.4GHzIEEE802.15.4, ZigBee and RF4CE several functions; Soil temperature and humidity integrated transducer 7 selects the temp. and humidity compound sensor STH11 calibrating data signal and export, this sensor has the features such as Micro Energy Lose, comparatively high measurement accuracy (± 3%), utilizes the master chip CC2530 of SCK, DATA double wire system serial line interface and ZigBee module 8 to carry out data interaction; ZigBee module 8 utilizes soil temperature and humidity integrated transducer 7 periodically to gather Soil Temperature And Moisture degrees of data, and the only just transmission information when image data exceedes setting threshold value, therefore, ZigBee module 8 consumes energy relatively low with the work of soil temperature and humidity integrated transducer 7.
The minimum capacity of rechargeable battery 3 is selected to prop up the power of way solenoid valve 9 primarily of the higher water supply of power consumption and once irrigate the decision of maximum used time.In the present embodiment, a way solenoid valve 9 that supplies water selects the DC electromagnetic valve IBV-101G of bore 80mm, its running parameter is: rated voltage DC24V, momentary activation electric current 370ma, holding current 190ma, if each maximum irrigation used time is no more than 2 hours, then each work power consumption of irrigating an operation water supply way solenoid valve 9 is no more than 9200ma.v.h; Consider the factor of the part electricity consumptions such as ZigBee module 8 and soil temperature and humidity integrated transducer 7 and electricity consumption conversion efficiency, the rechargeable battery set of rated voltage 3.7V, capacity 2ah selected by rechargeable battery 3, is enough to meet terminal node and completes the electricity consumption requirement of once irrigating.
A way solenoid valve electricity consumption translation circuit 6 that supplies water adopts efficient DC-DC conversion chip MAX629, complete the boosting electricity consumption conversion of rechargeable battery 3 to a way solenoid valve 9 that supplies water, simultaneously, ZigBee module 8 is by the Automatic level control to MAX629 enable pin/SHDN, the electric energy propping up way solenoid valve electricity consumption translation circuit 6 that realizes supplying water exports control, just allowing when namely only irrigating supplies water props up a way solenoid valve electricity consumption translation circuit 6 Energy transmission, opening to drive a way solenoid valve 9 that supplies water.
Solar panel 1 is the energy source of wireless network terminal node, is met the work power reguirements of terminal node by the energy storage of rechargeable battery 3.Select solar panel 1 Consideration more, but the high power consumption components of main consideration supply water the power consumption of way solenoid valve 9 and a charging interval of electricity consumption time and necessity.Select with the unconventional Irrigation that every day irrigates once: the solar battery group selecting output rated voltage 5V, rated current 840ma under standard illumination condition, standard light according within 4 hours, can obtaining at most energy 16800ma.v.h, can meet the wireless network terminal node work electricity consumption requirement that way solenoid valve 9 is propped up in water supply that the present embodiment selects completely.
Rechargeable battery charge management circuit 2 adopts the rechargeable battery Charge Management integrated circuit CN3791 with solar cell MPPT maximum power point tracking function, when the current output capability of solar panel 1 reduces, CN3791 internal circuit can the maximum power point of tracking solar cell panel 1 automatically, maximally utilise the power output of solar panel 1, realize solar energy to the electric energy of rechargeable battery 3 efficiently and change.
Soil temperature and humidity integrated transducer electricity consumption translation circuit 4 and ZigBee module electricity consumption translation circuit 5 all select low voltage difference DC-DC conversion chip ADP3330 to carry out power supply conversion; Difference is: ZigBee module electricity consumption translation circuit 5 adopts the working method of powering all the time, and the chip ADP3330 Enable Pin of soil temperature and humidity integrated transducer electricity consumption translation circuit 4 is controlled by ZigBee module 8, only have when gathering soil epidemic disaster data and just control soil temperature and humidity integrated transducer electricity consumption translation circuit 4 output power supply.
Embodiment 2:
A kind of automatic water-saving irrigation system, comprises the wireless network terminal node of the automatic water-saving irrigation described in embodiment 1, and main control device, and the method realizing unattended automatic water-saving irrigation is as follows:
(1) according to the Different growth phases of crop, main control device utilizes ZigBee module wherein to send the lower limit of soil moisture monitoring and the upper limit parameter of upper limit parameter and monitoring temperature to the wireless network terminal node of automatic water-saving irrigation, and wireless network terminal node receives and transfer relevant operating parameter;
(2) wireless network terminal node periodically utilizes soil temperature and humidity integrated transducer 7 to detect the epidemic disaster real time data of soil;
(3) when detecting that soil moisture reaches lower limit parameter or soil temperature higher than upper limit parameter, wireless network terminal node sends to main control device and irrigates solicited message; Main control device judges the overall soil moisture content of soil according to the solicited message received, if meet Sprinkler Irrigation, carries irrigation water and sends to wireless network terminal and irrigate order; The power supply that all wireless network terminal nodes not reaching soil moisture upper limit parameter all open a corresponding way solenoid valve electricity consumption translation circuit 6 that supplies water exports; If when the soil moisture of wireless network terminal nodal test is higher than upper limit parameter during sprinkling irrigation, controls to close to supply water to prop up way solenoid valve electricity consumption translation circuit 6 and send to main control device and irrigate ending message; Irrigate when all wireless network terminal nodes and terminate, main control device then closes irrigation water supply, terminates once to irrigate process.
If wireless network terminal node occurs that unit exception breaks down as: soil temperature and humidity integrated transducer 7, supply water a way solenoid valve 9 or rechargeable battery charge management circuit 2, send work state information to main control device.

Claims (10)

1. a wireless network terminal node for automatic water-saving irrigation, is characterized in that, comprises ZigBee module, Temperature Humidity Sensor, water supply props up way solenoid valve; It is characterized in that, also comprise solar panel and rechargeable battery, solar panel is electrically connected with rechargeable battery, rechargeable battery props up way solenoid valve be electrically connected with ZigBee module, Temperature Humidity Sensor, water supply respectively, and ZigBee module is also electrically connected with Temperature Humidity Sensor, a way solenoid valve that supplies water respectively.
2. wireless network terminal node as claimed in claim 1, it is characterized in that, lithium polymer battery selected by described rechargeable battery.
3. wireless network terminal node as claimed in claim 1, it is characterized in that, described Temperature Humidity Sensor selects soil temperature and humidity integrated transducer.
4. wireless network terminal node as claimed in claim 1, it is characterized in that, it is dc-battery valve IBV-101G that way solenoid valve is propped up in described water supply.
5. wireless network terminal node as claimed in claim 1, is characterized in that, described solar panel is electrically connected with rechargeable battery by rechargeable battery charge management circuit.
6. wireless network terminal node as claimed in claim 1, is characterized in that, described rechargeable battery is electrically connected with ZigBee module by ZigBee module electricity consumption translation circuit.
7. wireless network terminal node as claimed in claim 1, is characterized in that, described rechargeable battery is electrically connected with Temperature Humidity Sensor by Temperature Humidity Sensor electricity consumption translation circuit.
8. wireless network terminal node as claimed in claim 7, is characterized in that, described rechargeable battery is electrically connected with a water supply way solenoid valve by a way solenoid valve electricity consumption translation circuit that supplies water.
9. wireless network terminal node as claimed in claim 8, it is characterized in that, described ZigBee module is also electrically connected with Temperature Humidity Sensor, a way solenoid valve that supplies water respectively by Temperature Humidity Sensor electricity consumption translation circuit, a way solenoid valve electricity consumption translation circuit that supplies water.
10. a using method for the wireless network terminal node of the automatic water-saving irrigation as described in any one of claim 1-9, comprises the following steps,
Soil moisture upper and lower limit monitoring parameter and soil temperature upper limit monitoring parameter is transmitted wirelessly according to the Different growth phases of crop to terminal node by main control device; Terminal node utilizes Temperature Humidity Sensor periodically to gather soil temperature and humidity information, and compare with the soil moisture upper and lower limit monitoring parameter stored and soil temperature upper limit monitoring parameter, when temperature exceedes upper limit monitoring parameter or humidity lower than lower limit monitoring parameter, send to main control device and irrigate solicited message; The solicited message decision-making that main control device sends according to terminal node whether irrigation water supply, if main control device supply irrigation water, sends to terminal node and irrigates order, the terminal node that all soil moisture does not reach the humid control upper limit is all opened a way solenoid valve that supplies water and is carried out irrigation operation, when soil moisture reaches upper limit monitoring parameter, terminal node is closed to supply water a way solenoid valve and send this terminal node to main control device and is irrigated ending message, when all terminal nodes terminate irrigation operation, main control device terminates irrigation water supply.
CN201511026446.2A 2015-12-30 2015-12-30 Wireless network terminal node with function of automatic water-saving irrigation and application thereof Pending CN105519408A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105794605A (en) * 2016-05-30 2016-07-27 重庆云晖科技有限公司 Intelligent water-saving irrigation method and intelligent water-saving irrigation system
CN105830874A (en) * 2016-04-30 2016-08-10 邵阳学院 Accurate water-saving irrigation remote wireless intelligent control system
CN108849413A (en) * 2018-09-26 2018-11-23 徐州慧博纺织有限公司 A kind of meadow regional site sprinkling irrigation method
CN111345225A (en) * 2020-04-15 2020-06-30 山东大学 Wireless step-by-step operation sprinkling irrigation system and sprinkling irrigation method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439946A (en) * 2013-08-27 2013-12-11 无锡泛太科技有限公司 Field-crop-growing-land trickle irrigation automatic control system based on RS485 bus
CN104331048A (en) * 2014-10-23 2015-02-04 西安航天自动化股份有限公司 Low-power-consumption wireless monitor and control system for agricultural greenhouse
CN204157401U (en) * 2014-09-18 2015-02-18 火马科技(天津)有限公司 Based on the low-power consumption field irrigation monitoring system of ZigBee
CN104472314A (en) * 2015-01-12 2015-04-01 中央民族大学 Irrigation method, device and system
CN205266529U (en) * 2015-12-30 2016-06-01 山东大学 Automatic wireless network terminal node of water -saving irrigation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439946A (en) * 2013-08-27 2013-12-11 无锡泛太科技有限公司 Field-crop-growing-land trickle irrigation automatic control system based on RS485 bus
CN204157401U (en) * 2014-09-18 2015-02-18 火马科技(天津)有限公司 Based on the low-power consumption field irrigation monitoring system of ZigBee
CN104331048A (en) * 2014-10-23 2015-02-04 西安航天自动化股份有限公司 Low-power-consumption wireless monitor and control system for agricultural greenhouse
CN104472314A (en) * 2015-01-12 2015-04-01 中央民族大学 Irrigation method, device and system
CN205266529U (en) * 2015-12-30 2016-06-01 山东大学 Automatic wireless network terminal node of water -saving irrigation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105830874A (en) * 2016-04-30 2016-08-10 邵阳学院 Accurate water-saving irrigation remote wireless intelligent control system
CN105794605A (en) * 2016-05-30 2016-07-27 重庆云晖科技有限公司 Intelligent water-saving irrigation method and intelligent water-saving irrigation system
CN105794605B (en) * 2016-05-30 2019-01-22 重庆云晖科技有限公司 intelligent water-saving irrigation method and system
CN108849413A (en) * 2018-09-26 2018-11-23 徐州慧博纺织有限公司 A kind of meadow regional site sprinkling irrigation method
CN111345225A (en) * 2020-04-15 2020-06-30 山东大学 Wireless step-by-step operation sprinkling irrigation system and sprinkling irrigation method

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Application publication date: 20160427