CN108168603A - A kind of novel greenhouse monitoring system based on wireless sensor network - Google Patents
A kind of novel greenhouse monitoring system based on wireless sensor network Download PDFInfo
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- CN108168603A CN108168603A CN201711362353.6A CN201711362353A CN108168603A CN 108168603 A CN108168603 A CN 108168603A CN 201711362353 A CN201711362353 A CN 201711362353A CN 108168603 A CN108168603 A CN 108168603A
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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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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention discloses a kind of novel greenhouse monitoring systems based on wireless sensor network, including Greenhouse Measurement network module, it is formed by being distributed in the indoor wireless sensor node of temperature, for acquiring the environmental variances information such as temperature in greenhouse, humidity, intensity of illumination, and pass through home control network communication protocol and transmit data on the gateway node of data convergence center；Data convergence center uses the gateway node for microprocessor by ARM9, is summarized and merged for the node data to monitoring center, and passes through GSM massage patterns and be sent to remote monitoring center；Remote monitoring center for real-time reception to the information of greenhouse variable, and can store and process data by upper computer software.The present invention can carry out good communication in greenhouse inner sensor node single-hop distance between 40 60 meters, and system is stable, reliable, can meet the acquisition and publication of the various sensor informations in greenhouse.
Description
Technical field
The present invention relates to Greenhouse Measurement fields, and in particular to a kind of novel Greenhouse Measurement based on wireless sensor network
System.
Background technology
As industrialized agriculture continues to develop, China's greenhouse area increases year by year, and according to incompletely statistics, the current whole nation is set
Cultivated area is applied up to millions of hectares, chamber facility production enterprise has reached upper hundred.Greenhouse engineering is solves China town and country
Resident's vegetable basket and increasing peasant income, for agricultural restructuring is promoted to play important function, chamber planting is in agricultural production
It occupies an important position.
With the development of industrialized agriculture, batch production, the continuous improvement of intensive degree regulate and control industrialized agriculture environmental project
The requirement of technology and facility is also higher and higher.In high efficiency factory farm scientific and technological industry project, the intelligent temperature of modernization is established
Room is its important component part.Greenhouse automatic control technology is in the core of modern installations agriculture field medium temperature chamber control
Hold, intelligent greenhouse is the advanced agricultural of the height for integrating agricultural science and technology, the sharp technology of essence and computer autocontrol technique
Production facility is the material base that modern agriculture science and technology is converted to industry, it can build relatively independent crop production environment, pendulum
De- traditional agriculture relies on the height of natural environment.
Since China's agricultural modernization level is relatively low, agricultural workforce is superfluous, and the primary investment in greenhouse is big, lack of capital with
And the factors such as higher to the competency profiling of operating personnel, limit extensive use of the green house control technology in greenhouse industry.
At present, its control system of the large and medium-sized greenhouse of some domestic mainly uses following two forms：First, greenhouse microcontroller control system
System.This system gives full play to that SCM anti-interference ability is strong, data acquisition is convenient and efficient, small, the ratio of performance to price is superior
The advantages that.North-China Type attached-greenhouse automatic control system be exactly using this control system, it can complete well environmental monitoring,
Control, storage and communication function.Second is that using industrial control computer as the greenhouse control system of core.Both control systems one
As be all located at greenhouse scene, cause inconvenience to management.In addition, though domestic Greenhouse automatic control system can preferably complete data
It accepts and believe, show and store function, but controlled level, the control accuracy to envirment factor need to be further improved.
Invention content
To solve the above problems, the present invention provides a kind of novel Greenhouse Measurement systems based on wireless sensor network
System.
To achieve the above object, the technical solution taken of the present invention is：
A kind of novel greenhouse monitoring system based on wireless sensor network, including
Greenhouse Measurement network module is formed by being distributed in the indoor wireless sensor node of temperature, for acquiring greenhouse medium temperature
The environmental variances information such as degree, humidity, intensity of illumination, and pass through the net that home control network communication protocol transmits data to data convergence center
In artis；
Data convergence center uses the gateway node for microprocessor by ARM9, for the node data to monitoring center
Summarized and merged, and passed through GSM massage patterns and be sent to remote monitoring center；
Remote monitoring center for real-time reception to the information of greenhouse variable, and can pass through upper computer software logarithm
According to being stored and processed.
The wireless sensor node includes
Sensor layer is made of multiple sensor assemblies, and for the acquisition of target data, the collected data of institute pass through successively
Noise suppression module, gain amplification module are exported to information processing layer；
Source rate adjustment module for carrying out the calculating of each sensor node rate, and is carried out according to preset algorithm
The adjustment of each sensor node source rate；
Utility models optimization module, will for embodying the collaborative work between each sensor node by forwarding energy
One node and all nodes one cooperation learning of composition along its routed path, carry out joint modeling, and root on this basis
The adjustment of each sensor node position is completed according to modeling result；
Information processing layer is made of multiple information processing equipments, and each information processing equipment is upper as corresponding sensor
Grade equipment for handling the information that sensor uploads, and carries out Collaborative Control to sensor, is additionally operable to each sensing data
The identification of inner sensor identity information, if the identity information for not finding some sensor starting alarm module is reported
It is alert；
Information fused layer is made of multiple intelligence fusion equipment, as the higher level equipment of each information processing equipment, for connecing
The information that each information processing equipment reports is received, and carries out fusion treatment, forms information.
YX-GZ optical sensors that the sensor assembly is researched and developed using Handan mountain Yongxing Electronic, Yx-WSD Air Temperatures
Humidity sensor.The processor module is made of microcontroller and its peripheral circuit, for being responsible for setting for entire sensing node
Standby control, task scheduling, mode adjustment, orthofunction, the realization of communication protocol and Data Integration and storage.The wireless communication
Module uses gsm wireless communication module.
Wireless sensor network self-organizing Routing Protocol of the greenhouse monitoring system based on minimum hop count, all nodes are only
Remember forwarded upstream queue and the minimum hop count of oneself, it is possible to realize information router.Wherein, data packet is divided according to flow direction
For two classes：The data for starting from sensing node are known as upstream data, and the data of sensing node are known as downlink data finally, and lower line number is led to
Cross broadcast mode transmission；And the transmission of upstream data according to netinit when the route information table that generates carry out.
The present invention can carry out good communication in greenhouse inner sensor node single-hop distance between 40-60 meters, and system is steady
It is fixed, reliable, the acquisition and publication of the various sensor informations in greenhouse can be met.
Description of the drawings
Fig. 1 is sensor node flow chart in the embodiment of the present invention.
Specific embodiment
In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further
It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
An embodiment of the present invention provides a kind of novel greenhouse monitoring system based on wireless sensor network, including
Greenhouse Measurement network module is formed by being distributed in the indoor wireless sensor node of temperature, for acquiring greenhouse medium temperature
The environmental variance information of degree, humidity, intensity of illumination etc., and pass through home control network communication protocol and transmit data to data convergence center
On gateway node；
Data convergence center uses the gateway node for microprocessor by ARM9, for the node data to monitoring center
Summarized and merged, and passed through GSM massage patterns and be sent to remote monitoring center；
Remote monitoring center for real-time reception to the information of greenhouse variable, and can pass through upper computer software logarithm
According to being stored and processed.
As shown in Figure 1, the wireless sensor node includes
Sensor layer is made of multiple sensor assemblies, and for the acquisition of target data, the collected data of institute pass through successively
Noise suppression module, gain amplification module are exported to information processing layer；
Source rate adjustment module for carrying out the calculating of each sensor node rate, and is carried out according to preset algorithm
The adjustment of each sensor node source rate；
Utility models optimization module, will for embodying the collaborative work between each sensor node by forwarding energy
One node and all nodes one cooperation learning of composition along its routed path, carry out joint modeling, and root on this basis
The adjustment of each sensor node position is completed according to modeling result；
Information processing layer is made of multiple information processing equipments, and each information processing equipment is upper as corresponding sensor
Grade equipment for handling the information that sensor uploads, and carries out Collaborative Control to sensor, is additionally operable to each sensing data
The identification of inner sensor identity information, if the identity information for not finding some sensor starting alarm module is reported
It is alert；
Information fused layer is made of multiple intelligence fusion equipment, as the higher level equipment of each information processing equipment, for connecing
The information that each information processing equipment reports is received, and carries out fusion treatment, forms information
YX-GZ optical sensors that sensor assembly described in this specific implementation is researched and developed using Handan mountain Yongxing Electronic,
Yx-WSD aerial temperature and humidity sensors.
Illumination control is divided into two parts.One of part is the external sunshade system in greenhouse, and sensor is according to outdoor
Intensity of the sunlight controls sun-shading equipment or heat-preservation cotton quilt, another part is the indoor light-supplementing system of temperature.Both light
It is substantially similar according to controlling.System, which is divided into the control of light 24 hours, to be made, and staff can set light in different time periods
According to combined strength, system automatically controls external sunshade system by currently running time and time intensity of illumination set by user
With the combination of light, different plants are completed for the different illumination requirements in environment.It and can be with simulating all-weather sunshine amount.
The intensity of illumination and the intensity of illumination of set period of time that data acquisition control system is sent back to according to illuminance sensor
Compare, the number of combinations that automatically controls external sunshade system and light compensating lamp, the requirement to meet intensity of illumination.
Relied primarily in temperature control scheme temperature sensor, cascade, negative-pressure air fan cooling system, heating system, skylight,
The equipment cooperating such as side window ventilating system.System temperature control is required to make every effort to accomplish that precision is high, stability is good, the action frequency in principle
Less, energy conservation and environmental protection.Cascade, negative-pressure air fan cooling system in system, while by temperature course to ambient humidity
Increase, the burden of humidity control system can be efficiently reduced, saved operating cost.
Preceding more than ten groups of data that system sends temperature information back to according to temperature sensor first judge to work as after offset correction
The temperature changing trend of preceding indoor environment allows undulating value, by internal system with reference to the ambient temperature value and environment temperature of setting
Logic judgment mechanism decides whether to open corresponding register.Parameter among these depends on again joins with outdoor weather station temperature
Number, when outdoor temperature parameter disclosure satisfy that indoor demand, system can preferential opened skylight, side window equipment, utilize outdoor
Air adjusts indoor required temperature adjustment demand, and the high-power operation of cascade, negative-pressure air fan cooling system accomplished saving energy
Source reduces the purpose of cost.When outdoor temperature is not suitable for the demand applied to indoor temperature control, control system will be opened accordingly
Temperature equipment, the equipment such as cascade, negative-pressure air fan efficiently utilize surrounding air this advantage in temperature controlled processes,
Effectively the energy has been saved, the unlatching frequency of equipment has been reduced, extends the service life of equipment.In cost-effective, energy saving drop
Consumption reduces and shows excellent on the problems such as carbon discharge capacity, establishes good reputation, receives the high evaluation of project construction side.
The humidity data that data acquisition control system is sent back to according to humidity sensor, at the Continuous plus of excessively internal science
After reason, effective difference of present air humidity is obtained, by controlling humidification apparatus and to control the control of indoor humidity.It needs
Bright be adjust in winter indoor temperature and humidity degree of difficulty it is relatively large, and during humidification and dehumidifying
There is considerable influence to the enthalpy of indoor air, this has just necessarily affected the wide fluctuations of indoor air temperature, makes
Into temperature control system frequent movement, the workload of temperature control system is increased, increases the operating cost of system, the longevity is used in equipment
It has a greatly reduced quality on life, temperature control accuracy and humidity Adjustment precision.Therefore it is very necessary using rational humid control mode
's.
The processor module is made of microcontroller and its peripheral circuit, for being responsible for the equipment control of entire sensing node
System, task scheduling, mode adjustment, orthofunction, the realization of communication protocol and Data Integration and storage etc..It is in sensing node
It is vital in design.
The wireless communication module uses gsm wireless communication module.GPRS/CDMA wireless data sending DTU series is to be based on
The data communication network end product of 2.5G, make industrial RS232/RS485 serial communications pass through GPRS/CDMA wireless networks with
Central computer software platform communicates.It provides to the user reliable and stable, economical and practical, always online, transparent data transfer special
Use data transmission channel.Product is widely used in environment monitoring, water regime monitoring, building automation, intelligent transportation, distribution monitor, oil well
Data acquisitions and the monitoring fields such as monitoring.
The aggregation node is completed by data acquisition controller.Data acquisition controller using ARM cores in order to control control
Device processed, faster, stability is more reliable for the speed of service.Controller has a 14 road analog inputs, 12 On-off signals and 14
Output switch parameter, and with modular functionality extension, facilitate customer upgrade, Function Extension.Multiple sensors can be connected, so as to
Realize the acquisition of much information, the realization of Complicated Flow.With human-computer interaction interface, full Chinese character dynamic liquid crystal screen is shown, is touched
Key combination operates, friendly interface, and display is clear, and the basic parameter of real-time display environment is, it can be achieved that the typing of control parameter, information
So as to fulfill complicated Row control, it is independent can be more detached from host computer (supervising software) for acquisition, the monitoring of operating condition
Operation.
Wireless sensor network self-organizing Routing Protocol of the greenhouse monitoring system based on minimum hop count, ensure that any
The information that node is sent out is sent, and avoid and caused all along optimal (intermediate node passed through is minimum) path to gateway
More routing iinformation packets.As long as all nodes remember forwarded upstream queue and the minimum hop count of oneself, it is possible to realize information road
By.When the agreement is used for the wireless network of Greenhouse Measurement, there is good effect.
In the wireless sensor network of Greenhouse Measurement application, data packet is divided into two classes according to flow direction：Start from sensing node
Data be known as upstream data, the data of sensing node are known as downlink data finally.Since downlink data is less, and generally all
It is Facing the whole group sensing node, therefore, is sent by broadcast mode；And the terminal of upstream data is all aggregation node, is had bright
True directionality so the route information table generated when the transmission of data is according to netinit carries out, can effectively reduce superfluous
The generation of remaining information reduces the power consumption of system.
Communications protocol table
PORT COM is set：9600 data bit of baud rate, 8 stop position 1 verifies nothing
Communications protocol form：90 EB of EB, 90 station number command word data contents verify and ED
Data length：Since command word to ED terminate all byte quantities and.
Verification：CRC verification initial position first character sections start the last character section end to " data content ".
Monitoring of software in this specific implementation on host computer is developed using Delphi7.0.According to system features and
The function to be realized, upper computer software design can be divided into：Design on serial communication program, database design and host computer prison
Control Main form interface three parts.
The system is to realize monitoring to greenhouse, control as major function, and to greenhouse data uninterrupted sampling, whole
Reason, statistics, drawing.It has the look ＆ feel consistent with WINDOWS, perfect memory management and friendly intuitive operation side
Formula.The software systems can also be directly connected to Ethernet.Realize network monitor greenhouse data function.It monitors temperature by connection
The current state of room acquires the on off state of information and each equipment including indoor temperature, indoor humidity etc..It can also pass through
The operating parameter in each greenhouse of connection remote setting, such as temperature target, illumination desired value.And switch time of equipment etc.
Deng.It can draw the change curve of the environmental data of some historical time section in a manner of curve simultaneously, and can be printed.
Can by year, month, day, when each environmental data counted, find out the maximum value, minimum value, average value of any time period
Etc. information.In the case where being not connected to controller, data management and the statistics part of the system still can be used normally.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of novel greenhouse monitoring system based on wireless sensor network, which is characterized in that including：
Greenhouse Measurement network module is formed by being distributed in the indoor wireless sensor node of temperature, for acquiring the environment in greenhouse
Variable information, and pass through home control network communication protocol and transmit data on the gateway node of data convergence center；
Data convergence center uses the gateway node for microprocessor by ARM9, for being carried out to the node data of monitoring center
Summarize and merge, and pass through GSM massage patterns and be sent to remote monitoring center；
Remote monitoring center, for real-time reception to the information of greenhouse variable, and can by upper computer software to data into
Row storage and processing.
2. a kind of novel greenhouse monitoring system based on wireless sensor network as described in claim 1, which is characterized in that
The wireless sensor node includes
Sensor layer is made of multiple sensor assemblies, and for the acquisition of target data, the collected data of institute are successively through noise
Suppression module, gain amplification module are exported to information processing layer；
Source rate adjustment module, for carrying out the calculating of each sensor node rate, and it is each according to the progress of preset algorithm
The adjustment of sensor node source rate；
Utility models optimization module, for embodying the collaborative work between each sensor node by forwarding energy, by one
Node and a cooperation learning is formed along all nodes of its routed path, carry out joint modeling on this basis, and according to building
Mould result completes the adjustment of each sensor node position；
Information processing layer is made of multiple information processing equipments, and each information processing equipment is set as the higher level of corresponding sensor
It is standby, for handling the information that sensor uploads, and Collaborative Control is carried out to sensor, be additionally operable to pass in each sensing data
The identification of sensor identity information, if the identity information for not finding some sensor starting alarm module alarms；
Information fused layer is made of multiple intelligence fusion equipment, each for receiving as the higher level equipment of each information processing equipment
The information that information processing equipment reports, and fusion treatment is carried out, form information.
3. a kind of novel greenhouse monitoring system based on wireless sensor network as claimed in claim 2, which is characterized in that
YX-GZ optical sensors that the sensor assembly is researched and developed using Handan mountain Yongxing Electronic, Yx-WSD aerial temperature and humidities sensing
Device.
4. a kind of novel greenhouse monitoring system based on wireless sensor network as claimed in claim 2, which is characterized in that
The processor module is made of microcontroller and its peripheral circuit, for being responsible for the control of the equipment of entire sensing node, task
Scheduling, mode adjustment, orthofunction, the realization of communication protocol and Data Integration and storage.
5. a kind of novel greenhouse monitoring system based on wireless sensor network as claimed in claim 2, which is characterized in that
The wireless communication module uses gsm wireless communication module.
6. a kind of novel greenhouse monitoring system based on wireless sensor network as claimed in claim 2, which is characterized in that
Wireless sensor network self-organizing Routing Protocol of the greenhouse monitoring system based on minimum hop count, as long as the memory of all nodes is certainly
Oneself forwarded upstream queue and minimum hop count, it is possible to realize information router.
7. a kind of novel greenhouse monitoring system based on wireless sensor network as claimed in claim 6, which is characterized in that
Data packet is divided into two classes according to flow direction：The data for starting from sensing node are known as upstream data, and the data of sensing node claim finally
For downlink data, lower line number is sent by broadcast mode；And the transmission of upstream data according to netinit when the routing that generates
Information table carries out.
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Application publication date: 20180615 |