CN107948262A - Intelligent greenhouse management system based on Internet of Things - Google Patents
Intelligent greenhouse management system based on Internet of Things Download PDFInfo
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- CN107948262A CN107948262A CN201711133116.2A CN201711133116A CN107948262A CN 107948262 A CN107948262 A CN 107948262A CN 201711133116 A CN201711133116 A CN 201711133116A CN 107948262 A CN107948262 A CN 107948262A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention provides a kind of intelligent greenhouse management system based on Internet of Things, control terminal including showing, transmitting, handle data, transmission receives the coordinator of signal, control the relay of feedback control circuit, the feedback control circuit of corresponding establishment start and stop in greenhouse is controlled, made by relay, the remote browser for gathering the monitoring network of warm house data and being accessed for user；The management system can be configured for the bound of alarm and alarm stop value user according to actual conditions, and performance is stablized.Realize any placement of monitoring point, system organization is flexible；Single-point or multipoint acquisition are carried out to the multiple physical objects of greenhouse；Monitoring object and the number of monitoring point in increase and decrease network can be actually needed according to user, the monitoring data of different objects also can be calculated in consolidated network, handled and transmitted, the adaptivity and good compatibility of system；With good job stability and measurement accuracy, monitoring range is wide, energy consumption is low, long operational time.
Description
Technical field
The invention belongs to agricultural greenhouse Polyhouse technology field, it is related to a kind of intelligent greenhouse, it is more particularly to a kind of to be based on Internet of Things
The intelligent greenhouse management system of net.
Background technology
There is the defects of very big in environmentally protective, energy conservation, the excellent production of high yield etc. in traditional agriculture tactic pattern.Generally
There is no soil moisture monitoring means in the farmland greenhouse used mostly, but led with means such as the experience of planting, range estimations (observation)
Sight judges whether to irrigate, not only waste water resource, but also crops cannot be made to be grown under suitable soil moisture；Also ring can not be eliminated
Influence of the border aerial temperature and humidity to crop growth.
In recent years, it is each to be widely used to health care, smart home, national defence, military affairs, intelligent transportation etc. for technology of Internet of things
A aspect.Technology of Internet of things intelligent greenhouse control aspect, but existing greenhouse management system operatio have been applied to also at present
Complexity, is not easy to be received by users, also has system easily to be influenced performance by various environmental conditions unstable.
The content of the invention
The object of the present invention is to provide it is a kind of it is easy to operate, performance is more stable, be easy to by users receive based on
The intelligent greenhouse management system of Internet of Things.
To achieve the above object, the technical solution adopted in the present invention is：A kind of intelligent greenhouse management based on Internet of Things
System, including control terminal, coordinator, relay, feedback control circuit, monitoring network and remote browser；Wherein,
Monitoring network, is passed for gathering current environmental condition data in greenhouse, and by the data of collection by wireless communication
It is defeated by coordinator；
Coordinator, for receiving the data of monitoring network transmission, and sends the data received to control terminal；For
The control signal that control terminal is sent is received, and the control signal is transmitted to relay；
Control terminal, for receive coordinator transmission greenhouse in current environmental condition data, the data received are led to
Cross visual means to be shown, shown on display interface by dynamic aircraft pursuit course and intuitively numerical value is shown come in real time
Observe environmental aspect current in greenhouse；And environmental aspect current in greenhouse is sent to by remote browser by Ethernet；
For presetting the upper and lower bound of control parameter, by current environmental condition data in the greenhouse received and the control of setting
Parameter is compared, and when current environmental condition data exceed the upper limit set in advance or lower limit in greenhouse, data are carried out
Processing, forms control signal, and by the control signal transmission to coordinator；
Relay, for receiving the control signal of coordinator transmission, corresponding action is produced by the driving of the control signal,
And then control feedback control circuit；
Feedback control circuit, is limited by relay, by relay produce action control lamp, wind turbine, irrigating facility and
The startup and closing of sunshading facility；
Remote browser, current environment in the greenhouse transmitted by Ethernet for receiving the Web server of control terminal
Status data, accesses for user.
Intelligent greenhouse management system of the present invention uses wireless sensor network, removes the trouble of wiring from, improves automation journey
Degree, while the flexibility of sensor arrangement is improved, facilitate compartmentalization observing and controlling.Upper and lower limit to alarm and alarm stop value into
Row is set, and the system is can be applied to more extensive scope, applied to different fields, while can also be to type of alarm
Make choice, sensor and short message are configured.The system carries out Comprehensive Designing on gateway control interface, adds more
A temperature, humidity data viewing area, the lower part of Gateway Interface are humiture and the dynamic wave plotting table of illumination, feedback control
Adding four tunnels can be with expanded function, and bound and alarm stop value user for alarm can be carried out according to actual conditions
Set.Solves the problems, such as stability existing in the prior art.It can realize any placement of monitoring point, system organization spirit
It is living；Realize the function that multiple physical objects in greenhouse are carried out with single-point or multipoint acquisition；Meanwhile monitoring object in network
It can also be increased and decreased with the number of monitoring point according to the actual needs of user, the monitoring data of different objects also can be in consolidated network
In calculated, handled and transmitted, the adaptivity and good compatibility of system；This greenhouse management system is steady with good work
Qualitative and measurement accuracy, and monitoring range is wide, energy expenditure is low, long operational time.
Brief description of the drawings
Fig. 1 is the structure diagram of intelligent greenhouse management system of the present invention.
Fig. 2 is wireless sensor network system figure in intelligent greenhouse management system of the present invention.
Fig. 3 is the structure diagram of sensor node in intelligent greenhouse management system of the present invention.
Fig. 4 is the structure diagram of aggregation node in intelligent greenhouse management system of the present invention.
Fig. 5 is that the humiture of intelligent greenhouse management system of the present invention and lighting function realize flow chart.
In figure：1. control terminal, 2.GSM modules, 3. coordinators, 4. infrared sensors, 5. relays, 6. feedback controls electricity
Road, 7. safety-protection systems, 8. monitoring networks, 9. wireless sensor networks, 10. aggregation nodes, 11. management nodes, 12. microcontrollers,
13. lamp, 14. wind turbines, 15. irrigating facilities, 16. sunshading facilities, 17. cell phones, 18. remote browsers.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, intelligent greenhouse management system of the present invention, including control terminal 1, gsm module 2, coordinator 3, relay
Device 5, feedback control circuit 6, monitoring network 8, remote browser 18 and safety-protection system 7；Wherein,
Monitoring network 8, for gathering temperature indoor temperature, humidity and illumination isothermal chamber current environmental condition data, and will
The environmental aspect data of collection are by wireless communication transmissions to coordinator 3；
Coordinator 3, current environmental condition data in the greenhouse for receiving the transmission of monitoring network 8, and the number that will be received
According to sending control terminal 1 to；The control signal sent for receiving control terminal 1, and the control signal is transmitted to relay 5；
Control terminal 1, for receiving the data of the transmission of coordinator 3, by current environmental condition data in the greenhouse received
Shown by visual means, shown on display interface by dynamic aircraft pursuit course and intuitively numerical value is shown come in real time
Current environmental condition in ground observation greenhouse；And environmental aspect current in greenhouse is sent to by remote browser by Ethernet
18, at the same by current environmental condition data in greenhouse by Serial Port Transmission to gsm module 2；For presetting control parameter
Upper and lower bound, by current environmental condition data in the greenhouse received compared with the control parameter set, when in greenhouse
When current environmental condition data exceed the upper limit set in advance or lower limit, data are handled, form control signal, and will
The control signal transmission is to coordinator 3；
Gsm module 2, current environmental aspect in the greenhouse for receiving the transmission of control terminal 1, then will with short message mode
Current environmental aspect is sent on the cell phone 17 of user in the greenhouse；
Relay 5, for receiving the control signal of the transmission of coordinator 3, is produced corresponding dynamic by the driving of the control signal
Make, and then control feedback control circuit 6；
Feedback control circuit 6, is limited by relay 5, and the action control lamp 13 that is produced by relay 5, wind turbine 14, irrigate
The startup and closing of facility 15 and sunshading facility 16；
Remote browser 18, works as front ring in the greenhouse that the Web server for receiving control terminal 1 is transmitted by Ethernet
Border status data, remotely accesses for user；
Safety-protection system 7, for the security in greenhouse, makes safety-protection system using infrared sensor of the human body, prevents artificial
Malicious sabotage.
As shown in Fig. 2, the monitoring network 8 in Greenhouse Intelligent Control System of the present invention, including wireless collection sensor network
9th, aggregation node (gateway) 10 and management node 11.Wireless collection sensor network 9 includes multiple sensor nodes, the plurality of biography
Sensor node is distributed in monitoring region or monitoring areas adjacent, forms network in an ad-hoc fashion.Since sensor node is many
It is more, it sometimes appear that redundancy phenomena, but be also therefore not in loss of data phenomenon, the shortcomings that wireless sensor network 9 is
The abilities such as storage, communication are weaker.And the storage of aggregation node 10, processing and communication capacity are stronger, it is connected to wirelessly pass
Sensor network 9 and external network, and complete the communication between wireless sensor network 9 and external network；Developed in gateway
Interface, can make user more intuitively obtain required information.Management node 11 mainly with internet or is defended by base station
The mode of star communication is sent on aggregation node 10.
Sensor node as shown in figure 3, it generally by control module, sensor assembly, wireless communication module, memory module
And power module composition.Controller module (is operated by CORTEX A8DB development boards using Windows Embedded CE6.0
System) and network coordinator (its main chip is CC2530) composition, it is responsible for that sensor node is controlled and managed；Sensing
Device module is responsible for being acquired environmental information (such as light intensity, temperature, humidity) and does certain data conversion, present invention intelligence
Using Temperature Humidity Sensor (SHT10) collection humiture information in greenhouse management system, using silicon photoelectric diode (BPW34S)
Gather Lighting information；Wireless communication module is responsible for being in communication with each other by certain communication protocol between sensor node；Power module
Power for sensor node, there is provided the electricity needed for the operation of sensor node each several part, generally use battery powered, ZigBee nets
Network may insure that two section No.5 cells use the usage time up to two months to 2 years or so.Further, since application scenario is not
Together, sensor node is also possible to that the other support modules in part, such as GMS modules can be increased.
Aggregation node 10 in intelligent greenhouse management system of the present invention, as shown in figure 4, the processor die in aggregation node 10
Block uses CC2530 wireless microcontrollers.CC2530 wireless microcontrollers are the real pieces of a compatibility IEEE 802.15.4
Upper system, supports proprietary 802.15.4 markets and ZigBee, ZigBee PRO and ZigBeeRF4CE standards.CC2530 without
Line microcontroller provides the link-quality of 101dB, outstanding receiver sensitivity and healthy and strong anti-interference, four kinds of power supply moulds
Formula, a variety of flash memory sizes, and a set of extensive peripheral hardware collection --- including 2 USART, 12 ADC and 21 general GPIO, with
It is and more.Strengthen 8051MCU kernels except through outstanding RF performances, selectivity and industrywide standard, support general low-power consumption
Wireless communication, CC2530 wireless microcontrollers may be equipped with the compatible or proprietary network protocol stack of a standard of TI
(RemoTI, Z-Stack, or SimpliciTI) develops to simplify, and you is obtained market faster.Pipe is carried out to aggregation node 10
Reason, control；The information of memory module storage aggregation node 10 or data message etc.；Node communication module is responsible for and sensor section
Interactive information between point；Serial communication modular is responsible for carrying out serial communication between host computer.The disposal ability of aggregation node 10,
Storage capacity and communication capacity are relatively strong, it connects the external network such as wireless sensor network 9 and Internet, realizes two kinds
Communication Protocol Conversion between agreement, while the monitoring task of release management node 11, and in the greenhouse that monitoring network 8 is gathered
The data forwarding such as temperature, humidity and illumination to external network.
Relay 5 uses relay module, which extends for the GPIO of 1 IIC interface with interrupt output
Chip, the output of its repeat circuit can arbitrary disposition into normally opened or normally-closed contact (using the double tactile relays of double-pole, improve reliability,
Selected using wire jumper)；Button or outside GPIN inputs can be configured to high effective or low effective (interrupt signal is exported when effective).Pipe
Managing the processing module in node 11 needs after the power-up, configures iic bus extended chip using IIC interfaces, could use above-mentioned
Function.When iic bus extended chip does not configure for acquiescence input, have default conditions when needing, it is necessary in relay control terminal
The correctness for ensureing the output logic that relay is given tacit consent to is designed using pullup or pulldown.
Coordinator 3 is the Centroid of wireless sensor network, there was only a network coordinator (coordinator 3 in a network
It is one kind of network coordinator).Wherein network coordinator is mainly responsible for the foundation of network and the relevant configuration of equipment in network,
But when wireless sensor network recurring structure changes, other FFD equipment can also shoulder the effect of router.
Intelligent greenhouse management system of the present invention is by humidity sensor, optical sensor, temperature sensor as wireless sensing
Network, using the wireless communication function of module, the signal collected is passed on coordinator 3, and coordinator 3 is through serial ports by collection
Signal transmission is shown to control terminal 1 in control terminal 1 by visual mode, in the control interface of control terminal 1
On shown by dynamic aircraft pursuit course and intuitively numerical value shows and observes current environment in real time, in addition, 1 He of control terminal
Gsm communication module 2 by Serial Port Transmission, can the cell phone 17 to given client of timing daily send short message, can also lead to
Sms center editing short message is crossed, informs user's current environment in real time, while the data to gathering every time carry out the preservation of document, with
When generation environment monitoring report, to making corresponding control after Data Analysis Services, such as control relay node open solenoid valve
Irrigate etc., so that the control of humiture, illumination value is in optimal state.
Using the temperature and humidity data of CC2530 wireless microcontrollers reading Temperature Humidity Sensor SHT10, and by
Analog-to-digital conversion (ADC) inside CC2530 wireless microcontrollers obtains the data of optical sensor.Then the data that will be collected
Send coordinator 3 after conversion to.When humiture, photometric data when node module collection are more than the scope of set-point, triggering section
Buzzer on point, sends alarm sound.Temperature, humidity, photometric data collecting flowchart figure such as Fig. 5.Clock source and crystalline substance are set first
Oscillation body device simultaneously initializes LCD, reads temperature and humidity, temperature and humidity result is converted to character string, and carry out
Display.Enabled AINO is ADC input channels, starts a single conversion, waits for changing, and forbids AINO, and reading ADC values will
Illumination result is converted to character string, shows result.And circulate operation is carried out for humiture and illumination collection display process, make
Data can be shown in real time.The reading of wherein data of the Temperature and Humidity module is by the mistake of the I/O simulation classes IIC of CC2530 wireless microcontrollers
Journey.Photometric data is obtained by the ADC inside CC2530 wireless microcontrollers；Illumination on OURS-CC2530 development boards
Sensor output voltage, output voltage are connected to the AIN0 of CC2530 wireless microcontrollers.
Intelligent greenhouse management system of the present invention by an aggregation node 11 and several router nodes and terminal node,
A tree-shaped ZigBee-network of cluster towards greenhouse environmental monitoring application is built, uses CC2530 wireless microcontrollers as base
Plinth platform, the exploitation of system equipment application program has been carried out based on ZigBee Pro protocol stacks, has realized intelligent greenhouse management system
In requirement to measurements such as ambient temperature and humidities.Wireless communication is carried out using ZigBee technology, builds wireless sensor network, is met
The demand of greenhouse management system many kinds of parameters monitoring；Networking, wireless communication, data are devised according to ZigBee communication protocol specification
Display and feedback control four system function modules, primary study terminal node, routing node and network coordinator
Networking and Principle of Communication.System realizes long-range monitoring, in real time collection and the control of greenhouse, and can be by information real-time display
Sent with long-range.Experiment porch is constructed using four function modules designed herein, to local control terminal, remote control sum number
It is tested according to collection, completes the display of data and compare, and carry out corresponding feedback control.
Three aspects are mainly reflected in the advantage of intelligent greenhouse management system using technology of Internet of things:(1) sensor node
Small and whole network only need deployment once, influence very little of the sensor network disposition to institute's monitoring of environmental；(2) sense
Device number of nodes is big, and distribution density is high, has the characteristics of data acquisition amount is big, and precision is high；(3) based on the agricultural of ZigBee technology
Wireless senser monitoring system, the platform of collection and remote transmission farmland environmental information in real time is provided for the production of crops；
(4) sensor node has certain computing capability, storage and communication capacity in itself, can be carried out according to the change of physical environment
Complex monitoring, and cooperative monitoring is carried out between node.
.The sensing layer of Internet of Things realizes the sensing acquisition and feedback to various physical quantitys by wireless networking or fieldbus
Control, data converge to server by network, then realize that the data of wide area are sent out by Internet or 3G network by server
Cloth, the interaction and management of intelligence are realized with various terminals, including mobile phone.Wherein hardware device includes radio node module, sensing
Device module, embedded gateway and other corollary equipments.Radio node module and sensor assembly are wireless collection parts, gateway category
In control terminal.Also other feedback devices.
After whole system modules function is realized, simulation test environment is built, the function of whole system has been surveyed
Examination verifies whether that expected function can be reached.
The system draws any placement that can realize monitoring point by test, and system organization is flexible；Realize to greenhouse ring
Multiple physical objects in border carry out the function of single-point or multipoint acquisition；Meanwhile monitoring object and the number of monitoring point in network
It can also be increased and decreased according to the actual needs of user, the monitoring data of different objects can also be calculated in consolidated network, located
Reason and transmission, the adaptivity and good compatibility of system；Meanwhile in network monitoring object and the number of monitoring point can also according to
The actual needs at family is increased and decreased, and the monitoring data of different objects also can be calculated in consolidated network, handled and transmitted, and be
The adaptivity and good compatibility of system；The user interface of the system is friendly, shows data more direct with control.Test
Show that this intelligent greenhouse management system has good job stability and measurement accuracy, the ring that sensor node is collected
The data of border factor have reached the collecting effect of predicted data.
Technology of Internet of things makes each side more towards low, small, capacity usage ratio the is high trend development of energy consumption.Using current
Advanced agricultural technology of Internet of things combining environmental monitoring system and meteorological and pest and disease monitoring early warning system etc., to greenhouse farming
The management of thing and regulation and control subtilizedization, effectively improve the integral level of agricultural.Even more strong alleviates season contradiction, makes
Its traditional seasonality is broken in the listing of crops anti-season, meets higher demand of the people to quality of the life.
Claims (3)
- A kind of 1. intelligent greenhouse management system based on Internet of Things, it is characterised in that including control terminal (1), coordinator (3), Relay (5), feedback control circuit (6), monitoring network (8) and remote browser (18)；Wherein,Monitoring network (8), passes through wireless communication transmissions for gathering current environmental condition data in greenhouse, and by the data of collection Give coordinator (3)；Coordinator (3), for receiving the data of monitoring network (8) transmission, and sends the data received to control terminal (1)；The control signal sent for receiving control terminal (1), and the control signal is transmitted to relay (5)；Control terminal (1), for receive coordinator (3) transmission greenhouse in current environmental condition data, the data that will be received Shown by visual means, shown on display interface by dynamic aircraft pursuit course and intuitively numerical value is shown come in real time Current environmental aspect in ground observation greenhouse；And environmental aspect current in greenhouse is sent to by remote browser by Ethernet (18)；For presetting the upper and lower bound of control parameter, by current environmental condition data in the greenhouse received and setting Control parameter be compared, when current environmental condition data exceed the upper limit set in advance or lower limit in greenhouse, logarithm According to being handled, control signal is formed, and give the control signal transmission to coordinator (3)；Relay (5), for receiving the control signal of coordinator (3) transmission, is produced corresponding dynamic by the driving of the control signal Make, and then control feedback control circuit (6)；Feedback control circuit (6), is limited by relay (5), action control lamp (13), the wind turbine produced by relay (5) (14), the startup and closing of irrigating facility (15) and sunshading facility (16)；Remote browser (18), works as front ring in the greenhouse that the Web server for receiving control terminal (1) is transmitted by Ethernet Border status data, accesses for user.
- 2. the intelligent greenhouse management system based on Internet of Things according to claim 1, it is characterised in that the intelligent greenhouse management System further includes gsm module (2), and gsm module (2) is used to receive environmental aspect current in the greenhouse of control terminal (1) transmission, Then environmental aspect current in the greenhouse is sent to the cell phone (17) of user with short message mode.
- 3. the intelligent greenhouse management system according to claim 1 or claim 2 based on Internet of Things, it is characterised in that the intelligent greenhouse Management system further includes safety-protection system (7), for the security in greenhouse, makes safety-protection system using infrared sensor of the human body, prevents Only artificial malicious sabotage.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780645A (en) * | 2019-09-16 | 2020-02-11 | 黄山学院 | Intelligent greenhouse environment monitoring and adjusting system |
| CN111145522A (en) * | 2019-12-31 | 2020-05-12 | 湖北夷天科技有限公司 | Agricultural monitoring system based on NB-IoT module |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203705893U (en) * | 2013-09-25 | 2014-07-09 | 西北师范大学 | Intelligent greenhouse-management system based on Internet of Things |
-
2017
- 2017-11-15 CN CN201711133116.2A patent/CN107948262A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203705893U (en) * | 2013-09-25 | 2014-07-09 | 西北师范大学 | Intelligent greenhouse-management system based on Internet of Things |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780645A (en) * | 2019-09-16 | 2020-02-11 | 黄山学院 | Intelligent greenhouse environment monitoring and adjusting system |
| CN111145522A (en) * | 2019-12-31 | 2020-05-12 | 湖北夷天科技有限公司 | Agricultural monitoring system based on NB-IoT module |
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