CN105486345A - ZigBee technology based wireless intelligent control terminal of greenhouse - Google Patents
ZigBee technology based wireless intelligent control terminal of greenhouse Download PDFInfo
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- CN105486345A CN105486345A CN201510808944.6A CN201510808944A CN105486345A CN 105486345 A CN105486345 A CN 105486345A CN 201510808944 A CN201510808944 A CN 201510808944A CN 105486345 A CN105486345 A CN 105486345A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention relates to a ZigBee technology based wireless intelligent control terminal of a greenhouse, and belongs to the technical field of intelligent control. The terminal comprises a central control module, a voice module, a host computer, an LCD screen, a sensor module, an A/D converter and a ZigBee module, wherein the voice module, the host computer and the LCD screen are connected with the central control module, the sensor module is connected with the A/D converter, and the A/D converter communicates with the central control module via the ZigBee module. The terminal can monitor and control environmental parameters including soil temperature, leaf temperature, illumination, stem growth and soil moisture in a concentrated manner via the ZigBee wireless network and provides a voice function to prompt management, the voice alarm function of the system can enable a user to discover problems timely and accurately and take effective measures as ventilation, cooling, heating and light supplement, the environment of the greenhouse is improved, and output of crops is improved.
Description
Technical field
The present invention relates to field of intelligent control technology, particularly relate to a kind of greenhouse wireless control of intelligent terminal based on ZigBee technology.
Background technology
Since " 95 ", domestic industrialized agriculture is through project implementations such as high efficiency factory farm demonstration projects, achieve rapid progress, large-scale attached-greenhouse realizes production domesticization substantially, in greenhouse, relevant support equipment also has development and application to a certain degree, begin to take shape industrialized agriculture comprehensive technology system, drive the development of related industry.Agricultural automation has had very much progress, and environment monitoring techniques is also tending towards ripe, but the technology of plant growth regulator is not also very ripe.Therefore in recent years, the collection and monitor of plant physiology information is paid attention in the development of agriculture particularly greenhouse industry more, namely its growing environment is regulated according to the growing state of plant, and the upgrowth situation of plant after environmental change can be detected, to make adjusting function more scientific.The domestic demand to this side is also more and more gradually, for the problems referred to above, proposes the development research of greenhouse and informix supervisory system.Plant growth rule, growthform and different times agronomy feature and environmental control system are closely linked; the monitoring of the wireless composite such as the envirment factor comprehensive regulations such as warm Indoor Temperature, light, moisture, water, fertilizer and crop leaf temperature, cauline leaf flow, stem stalk diameter can be completed; realize hothouse production precisely to control and unmanned management, reach the order ground of volume increase, synergy and large-scale production.
Wireless sensor network (wirelesssensornetworkWSN) is developed recently modern information technologies rapidly, it forms by being deployed in cheap microsensor nodes a large amount of in monitored area, the network system of the self-organization of the multi-hop formed by communication, its objective is the information of perceived object in perception collaboratively, acquisition and processing network's coverage area, and send to observer.Compared with legacy network, WSN is a kind of data-centered ad hoc deployed wireless networks, be integrated with monitoring, control and radio communication, have can interim networking fast, the change of network topology structure dynamic, survivability strong, without the need to setting up network infrastructure, without the feature that communication cost etc. is tempting.Based on above feature, WSN technology also obtains applying more and more widely at agriculture field.ZigBee is a kind of major technique in current numerous wireless sensor network technology, it be a kind of closely, low-power consumption, low cost, high reliability wireless sensor network technology.
Summary of the invention
Greenhouse wireless control of intelligent terminal based on ZigBee technology of the present invention, the environmental parameter (soil moisture, leaf temperature, illumination, the growth of stem stalk, the holard grades) be distributed in greenhouse can be carried out Centralized Monitoring and management and provides phonetic function to carry out prompting managing by ZigBee wireless network.The voice alarm function of system enables user pinpoint the problems early and exactly, carries out ventilating, lowers the temperature, humidification, and the effective measures such as light filling, improve greenhouse, improve the output of crops.
To achieve these goals, the present invention adopts following technical scheme: a kind of greenhouse wireless control of intelligent terminal based on ZigBee technology, comprise central control module, voice module, host computer, LCD liquid crystal display screen, sensor assembly, A/D converter and ZigBee module, described voice module, host computer, LCD liquid crystal display screen are connected with central control module respectively, described sensor assembly is connected with A/D converter, and described A/D converter is communicated with central control module by ZigBee module.
Preferably, described central control module adopts JN5139 central control module.
Preferably, described sensor assembly comprises soil temperature sensor, photosynthesis of plant sensor, soil moisture sensor, stem stalk growth sensors and leaf temperature sensor, and described soil temperature sensor, photosynthesis of plant sensor, soil moisture sensor, stem stalk growth sensors are all connected with central control module by A/D converter with leaf temperature sensor.
Preferably, described stem stalk growth sensors employing model is the small-sized displacement transducer of TWX.
Preferably, described voice module adopts PM60 intelligent sound chip.
ZigBee technology is applied in greenhouse wireless control of intelligent terminal by the present invention, drastically increase the reliability of system, real-time, and system development price is cheaper, cost performance is high, assembling is safeguarded simple, the expansion of node also very easy, improves proportion of crop planting environmental information management automaticity.Greenhouse wireless control of intelligent terminal based on ZigBee has the advantage of the following aspects:
1) intelligent sound module can provide operation instruction to advise according to the information collected in time;
2) system has ultralow Consumption, after enabling dormancy function, about two joints No. 5 batteries can use and reach half a year;
3) system provides mass data storage, can store up to 40000 multi-group datas;
4) compact of greenhouse wireless control terminal, simple to operate, easy to use.
Accompanying drawing explanation
Fig. 1 is present system hardware structure diagram;
Fig. 2 is voice module circuit diagram.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
A kind of greenhouse wireless control of intelligent terminal based on ZigBee technology, comprise central control module, voice module, host computer, LCD liquid crystal display screen, sensor assembly, A/D converter and ZigBee module, described voice module, host computer, LCD liquid crystal display screen are connected with central control module respectively, described sensor assembly is connected with A/D converter, and described A/D converter is communicated with central control module by ZigBee module.
Described central control module adopts JN5139 central control module.
Described sensor assembly comprises soil temperature sensor, photosynthesis of plant sensor, soil moisture sensor, stem stalk growth sensors and leaf temperature sensor, and described soil temperature sensor, photosynthesis of plant sensor, soil moisture sensor, stem stalk growth sensors are all connected with central control module by A/D converter with leaf temperature sensor.
Described stem stalk growth sensors employing model is the small-sized displacement transducer of TWX.
Described voice module adopts PM60 intelligent sound chip.
By the existing Distributed Control System for Worming-room of com-parison and analysis, system that employs the hardware implementing of data acquisition and control in real time to greenhouse environment factor (soil moisture, leaf temperature, illumination, the growth of stem stalk, the holard grades) effective control, can complete the collection of greenhouse environment information, process, display and sound prompt function independently, its hardware configuration as shown in Figure 1.
Central control module is JN5139, JN5139 is the low-power consumption of a compatible IEEE802.15.4, the radio micro controller of low cost.Built-in a 32 reduced instruction set computer (reducedinstructionsetcomputingRISC) processors of this module, and be integrated with the wireless transceiver of the IEEE802.15.4 standard of 2.4GHz frequency range.The ROM (read-only memory) (readonlymemoryROM) of the built-in 64K of microcontroller stores the complete protocol stack of integrated point-to-point communication and netted communication; The random access memory (radomaccessmemoryRAM) of 96k stores the demand that can meet native system data and store, and the storage space not needing outside expansion any; In addition it also has 12,2 tunnel AD conversion mouth, 2 11, tunnel DA change mouth, 2 comparers, the external expansion interface that 2 tunnel UART Universal Asynchronous Receiver Transmitter (universalasynchronousreceiver/transmitterDART) asynchronous serial ports and 21 roads universal I/O port (general-purposeIOports, GPIO) etc. are abundant.Utilize that the wireless sensor network node cost of this chip development is low, power consumption is little, be applicable to battery and power for a long time.ZigBee node is divided into telegon and child node two kinds, and telegon is the keeper of whole ZigBee wireless network, is in charge of child node and and upper machine communication.The Real-time Collection that ZigBee child node is responsible for data sends, and all son node number certificates collected can be uploaded to host computer, for the track record to growing environment comprehensive in plant growing cycle, inquiry, analysis by ZigBee host node afterwards.
For gathering the envirment factor in greenhouse, system have employed soil temperature sensor, leaf temperature sensor, soil moisture sensor, optical sensor and stem stalk growth sensors.The voltage signal that sensor converts standard to through A/D after gathering envirment factor information is sent into ZigBee controller and is carried out Data Analysis Services.
Wherein stem stalk growth sensors adopts model to be that the small-sized displacement transducer of TWX is equipped with Design of Mechanical Structure to realize.The small-sized displacement transducer of TWX adopts the method for contact type measurement, counts Sensitive Apparatus with the straight-line displacement of high precision magnetically soft alloy, and modulate circuit adopts chip inlet.High precision magnetically soft alloy Linear displacement meter can ensure that the resolution measured arrives more than lum, linear precision 0.05%.Be applicable to measure trees stem stalk growth rate, can measure for a long time in dry or moist environment, and stable output, and can effectively avoid because the linear drift caused is disturbed in vibration etc.Its structure is made up of bracket assembly, sensor fixture, sensor, spring, arc iron plate, M8 wing nut 4, M8 copper nut 4, M10 screw, M10 copper nut, 2, M6 screw, 2, M6 nut.Fixing wherein in order to sensor, suitably need open the hole in the middle of sensor fixture with the instrument of wedge shape during installation, wedge tool be taken off and can realize fixing after sensing station is adjusted.Arc iron plate has certain elasticity, for clamping the stem stalk of different-diameter, plays positioning action.
Use for the convenience of the user, system adds true man's speech utterance function, when systems axiol-ogy greenhouse parameter overrun, can promptly and accurately regulate and control with voice mode reminding user.PM60 intelligent sound chip is made up of special voice single-chip microcomputer and the set of FLASHRAM storer, as shown in Figure 2.The multistage voice play function of its existing 125-4000s, also the programmable intelligent characteristic of single-chip microcomputer is had, large-scale complex circuit is miniature to only having COB28 to encapsulate on the printing forme of (18mmX36mm), can use as the standard integrated circuit of DIP28 encapsulation easily.We select the parallel control mode of PM60 family chip, 8 sections of speech recording and reproducings can be divided in this manner, K1 ~ K8 pin can trigger the 8 section voice (low effectively) corresponding with it respectively, when burning/recording chip, can be set to negative edge and trigger or low level triggering.K1 ~ K8 port has built-in pull-up resistor and stabilization design, can trigger playback by direct external button.Also can with single-chip microcomputer mouth line directly to its operation.
Software for Design uses Jennic company SDK (softwaredevelopkits) software platform, comprises JennicCygwin, JN5139FlashProgrammer.Overall Software for Design comprises coordinator process design (coordinator) and terminal node program design (endpoint).
Telegon is the keeper of whole ZigBee wireless network.After node powers on, first carry out the initialization operation of network, comprise the initialization of Zigbee protocol stack and the initialization of hardware adaptor; Then carry out channel inquiry, select suitable channel to set up one without beacon network, and the PANID of network is set, wait for that terminal node adds network; Having after terminal node adds network, the sensing data that receiving terminal node sends, shows and is stored in Flash in real time, finally stored data can be sent in computing machine by serial ports.
In network system, terminal node is responsible for herborization blade face temperature, the soil moisture, photosynthetically active radiation, stem/fruit/arboreal growth change, and the holard grades, and sends it to coordinator node.When node powers on, first carry out initialization operation, comprise the initialization of ZigBee storehouse and the initialization of hardware adaptor; Then carry out channel inquiry, select suitable network etc. to be added; Then send request to the coordinator node of this network and add; Finally, after receiving the confirmation allowing to add, add network, read sensor data, are sent to telegon.Data complete and at once enter dormant state, until the arrival in the moment of data acquisition next time after obtaining the acknowledgement frame that telegon sends.
The data such as optimum temperature, humidity, illumination, moisture of various crop are stored in ZigBee master controller, measure in greenhouse by soil temperature sensor, leaf temperature sensor, soil moisture sensor, optical sensor and stem stalk growth sensors and the various real data of crop, the two contrast, if real data does not meet the optimum data of this crop, greenhouse wireless control of intelligent terminal will be heated by voice module sounding reminding greenhouse management person or is lowered the temperature, ventilates and still water.
Greenhouse wireless control of intelligent terminal can carry out Real-Time Monitoring to the soil moisture of edible fungus cultivating chamber, pouity dwelling place, heliogreenhouse, booth group, soil moisture, dewpoint temperature, intensity of illumination, the growth of stem stalk etc.Metrical information shows intuitively on liquid crystal display, the suitable condition that simultaneously can arrange according to user judges whether current environment factor meets the current growth phase of user institute long-term cropping, and by voice mode message notice users such as the working conditions of surveyed environmental parameter value, management crop method and instrument itself.Instrument can at any time by measured values stored in storer, and by serial communication interface, data are sent to host computer.
Claims (5)
1. the greenhouse wireless control of intelligent terminal based on ZigBee technology, it is characterized in that: comprise central control module, voice module, host computer, LCD liquid crystal display screen, sensor assembly, A/D converter and ZigBee module, described voice module, host computer, LCD liquid crystal display screen are connected with central control module respectively, described sensor assembly is connected with A/D converter, and described A/D converter is communicated with central control module by ZigBee module.
2. the greenhouse wireless control of intelligent terminal based on ZigBee technology according to claim 1, is characterized in that: described central control module adopts JN5139 central control module.
3. the greenhouse wireless control of intelligent terminal based on ZigBee technology according to claim 1, it is characterized in that: described sensor assembly comprises soil temperature sensor, photosynthesis of plant sensor, soil moisture sensor, stem stalk growth sensors and leaf temperature sensor, described soil temperature sensor, photosynthesis of plant sensor, soil moisture sensor, stem stalk growth sensors are all connected with central control module by A/D converter with leaf temperature sensor.
4. the greenhouse wireless control of intelligent terminal based on ZigBee technology according to claim 3, is characterized in that: described stem stalk growth sensors employing model is the small-sized displacement transducer of TWX.
5. the greenhouse wireless control of intelligent terminal based on ZigBee technology according to claim 1, is characterized in that: described voice module adopts PM60 intelligent sound chip.
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| CN201510808944.6A CN105486345A (en) | 2015-11-19 | 2015-11-19 | ZigBee technology based wireless intelligent control terminal of greenhouse |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646804A (en) * | 2018-08-06 | 2018-10-12 | 深圳大图科创技术开发有限公司 | A kind of intelligent greenhouse regulating system |
| CN109661918A (en) * | 2017-10-16 | 2019-04-23 | 顾程燕 | A kind of afforestation energy saving greenhouse system |
| WO2021121081A1 (en) * | 2019-12-20 | 2021-06-24 | 中国移动通信有限公司研究院 | Information processing method and apparatus, and storage medium |
-
2015
- 2015-11-19 CN CN201510808944.6A patent/CN105486345A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109661918A (en) * | 2017-10-16 | 2019-04-23 | 顾程燕 | A kind of afforestation energy saving greenhouse system |
| CN108646804A (en) * | 2018-08-06 | 2018-10-12 | 深圳大图科创技术开发有限公司 | A kind of intelligent greenhouse regulating system |
| WO2021121081A1 (en) * | 2019-12-20 | 2021-06-24 | 中国移动通信有限公司研究院 | Information processing method and apparatus, and storage medium |
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Application publication date: 20160413 |
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