CN111526493A - Low-power-consumption farmland management method and system based on NBIOT transmission technology - Google Patents
Low-power-consumption farmland management method and system based on NBIOT transmission technology Download PDFInfo
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Abstract
A low-power consumption farmland management method and system based on NBIOT transmission technology comprises the following steps: the low-power consumption mcu module receives farmland data; the NBIOT communication module sends the farmland data out for remote observation of the farmland data, the data communication between the NBIOT communication module and the communication base station does not need to be Connected all the time, but adopts a dormancy and awakening mode, and therefore the working state of the NBIOT communication module is divided into a Connected connection state, an Idle state and a PSM energy-saving mode. The farmland information monitoring system is combined with other structures and methods, so that the defects that in the prior art, farmland managers cannot remotely observe farmland information or are always connected to networks such as a GPS (global positioning system), a ZigBee and the like, equipment is complex and energy consumption is high when a large-area farmland is monitored are effectively overcome.
Description
Technical Field
The invention relates to the technical field of farmland management, belongs to the technical field of data transmission of Internet of things, and particularly relates to a low-power-consumption farmland management method and system based on an NBIOT transmission technology.
Background
Farmlands are also called cultivated lands, and in geography, refer to lands which can be used for planting crops. The first meteorological disasters encountered in farmland production include natural disasters such as drought, flood, strong wind, hail, frost, thunderstorm and the like, but the natural disasters need to be resisted, the adverse effects of the meteorological disasters on crop growth are avoided, the agricultural production loss caused by the adverse effects is avoided, the farmland needs to be monitored more accurately, and the method is adopted for prevention in an early time. The farmland management method and the farmland management system can monitor farmland disasters in time and have important significance for farmland disaster prevention. At present, the farmland sensor can only work in the farmland by oneself because of the remote position of the farmland, and the farmland sensor can not be networked, so that farmland information can not be remotely observed by farmland managers. Or the system is always connected to the network such as the GPS and the ZigBee, and when a large-area farmland is monitored, the equipment is complex and the energy consumption is very high.
Disclosure of Invention
In order to solve the problems, the invention provides a low-power-consumption farmland management method and system based on an NBIOT transmission technology, which effectively overcome the defects that in the prior art, a farmland manager cannot remotely observe farmland information or is always connected to a network such as a GPS (global positioning system), a ZigBee and the like to monitor a large-area farmland, equipment is complex and energy consumption is high.
In order to overcome the defects in the prior art, the invention provides a solution of a low-power-consumption farmland management method and system based on an NBIOT transmission technology, which comprises the following specific steps:
a method of a low-power consumption farmland management system based on an NBIOT transmission technology comprises the following steps:
step 1: the low-power consumption mcu module receives farmland data;
step 2: the NBIOT communication module transmits the farmland data for remote observation of the farmland data.
Furthermore, the data communication between the NBIOT communication module and the communication base station does not need to be Connected all the time, but adopts a sleep mode and a wake-up mode, so as to divide the working state of the NBIOT communication module into a Connected state, an Idle state and a PSM energy-saving mode.
Further, the working modes of the Connected state, the Idle state, and the PSM power saving mode specifically include: the sensor in the acquisition module acquires farmland information, when data acquired by the sensor exceeds a preset threshold value, the NBIOT communication module enters a Connected connection state, wakes up the data communication with the communication base station and remotely logs in the background server, downloads a control strategy module preset in the background server in advance, enables the execution module to independently operate according to the control strategy module, enables the quality of the farmland to reach the standard until the data acquired by the sensor in the farmland is completely recovered to the threshold value range, starts an inactive Timer, and after the Timer times to a set time, if the data acquired by the sensor in the farmland is always in the threshold value range and the background server does not send a command to the NBIOT communication module, the NBIOT communication module enters an Idle state, and simultaneously starts a Timer Active-Timer, and when the Timer Active-Timer is in the set timing range, if the data received by the sensor in the farmland is always within the threshold value range and the background server does not send a command to the NBIOT communication module, the Timer Active-Timer is overtime, and the NBIOT communication module automatically requests to be disconnected with the communication base station to enter the PSM energy-saving mode. When the data collected by the sensor exceeds the threshold value again, the NBIOT communication module enters the Connected connection state again.
Further, when the NBIOT communication module is in the PSM energy saving mode, the background server may also actively control the execution module, and only needs to send a wake-up command to the NBIOT communication module, so that the NBIOT communication module enters a Connected connection state from the PSM energy saving mode, and a controller in a farmland writes the control policy module in the background server in advance.
The low-power consumption farmland management system based on the NBIOT transmission technology comprises the following steps:
the low-power consumption mcu module is used for receiving farmland data;
the NBIOT communication module is in communication connection with the low-power-consumption mcu module and is used for sending the farmland data out to enable the farmland data to be observed remotely.
Further, the low-power consumption farmland management system based on the NBIOT transmission technology further includes:
the collection module is in communication connection with the low-power consumption mcu module and is used for collecting farmland data and transmitting the farmland data to the low-power consumption mcu module.
Further, the collection module is including installing the sensor in the farmland, the sensor includes atmospheric temperature and humidity sensor, atmosphere smoke transducer, soil moisture sensor, soil salinity sensor, soil pH value sensor, carbon dioxide sensor or light sensor.
Further, the low-power consumption farmland management system based on the NBIOT transmission technology further includes:
the system comprises a communication base station and a background server, wherein the communication base station is arranged at a distance from the farmland and is in communication connection with the communication base station;
the communication base station is used for receiving the farmland data sent by the NBIOT communication module and forwarding the farmland data to the background server for display, and the NBIOT communication module is also used for receiving the data sent by the communication base station and transmitting the data to the low-power consumption mcu module.
Further, the low-power consumption farmland management system based on the NBIOT transmission technology further includes:
the execution module is electrically connected with the low-power-consumption mcu module;
the execution module comprises a motor set, and the motor set comprises an irrigation motor, a motor of a pesticide spraying device or a fertilization motor.
Further, the low-power consumption farmland management system based on the NBIOT transmission technology further includes:
the power supply module is electrically connected with the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module and is used for supplying power to the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module;
the power module, the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module are all arranged at a farmland end.
The invention has the beneficial effects that:
(1) the farmland environment is remotely monitored in real time, so that a favorable environment is provided for the growth of crops;
(2) the farmland does not need to be manually held on the spot, and the labor is reduced;
(3) the NBIOT has wide coverage range and ultra-large connection quantity, one sector can support tens of thousands of connections, and the method is suitable for farmlands with wide regions;
(4) NBIOT need not to build a network again, and radio frequency and antenna can be multiplexed, only when the farmland environment does not reach standard, NBIOT just can communicate, have saved the electric energy, the cost is reduced.
Drawings
FIG. 1 is a general block diagram of a low power consumption farmland management system based on NBIOT transmission technology of the invention;
FIG. 2 is a flow chart of NBIOT-based communication module communication of the present invention;
FIG. 3 is a flow chart of an automatic field irrigation system according to an embodiment of the present invention;
FIG. 4 is a flow chart of an example of an agricultural fire alarm of the present invention.
Detailed Description
The invention will be further described with reference to the following figures and examples.
NBIOT is a Narrow-Band Internet of Things (Narrow Band Internet of Things) which is an important branch of the Internet of everything. The NBIOT is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrade. NBIOT is an emerging technology in the field of internet of things, and supports cellular data connection of low-power devices in a wide area network, also called low-power wide area network (LPWAN). NBIOT supports efficient connection of devices with long standby times and high requirements for network connectivity.
The existing power saving technology of NBIOT is divided into three types:
1. the DRX (discontinuous reception), i.e., discontinuous reception, is a working mode in which the terminal turns on the receiver only in a necessary time period to enter an active state for receiving downlink data, and turns off the receiver in a remaining time period to enter a dormant state to stop receiving the downlink data, thereby saving power consumption of the terminal.
2, eDRX mode, i.e. extended discontinuous reception, in each eDRX cycle, there is a Paging Time Window (PTW), and the UE monitors the Paging channel only in the PTW according to the DRX cycle, so as to receive downlink traffic, and the Time outside the PTW is in a sleep state, and cannot receive downlink traffic without monitoring the Paging channel.
3. The PSM mode (power Saving mode) has a very simple technical principle, and in this state of the PSM, the radio frequency of the terminal is turned off, which is equivalent to a power-off state, the terminal is deeply dormant during a non-service period and does not receive downlink Data, and only when the terminal actively sends uplink Data (MO Data), the downlink Data cached by the IoT platform can be received.
As shown in fig. 1-2, the method of the low power consumption farmland management system based on the NBIOT transmission technology includes the following steps:
step 1: the low-power consumption mcu module receives farmland data; the low power consumption mcu module can be an STM 32L 0 model mcu.
Step 2: the NBIOT communication module transmits the farmland data for remote observation of the farmland data. The NBIOT communication module sends the farmland data out for remote observation of the farmland data, so that a farmland manager can remotely observe farmland information, and the low-power consumption mcu module is more energy-saving.
In order to achieve the purpose of low power consumption, the data communication between the NBIOT communication module and the communication base station at the farmland end does not need to be Connected all the time, but adopts a sleep mode and a wake-up mode, so that the working state of the NBIOT communication module is divided into a Connected state, an Idle state and a PSM energy-saving mode.
The working modes of the Connected connection state, the Idle state and the PSM energy saving mode specifically include: the sensor in the acquisition module acquires farmland information, when data acquired by the sensor exceeds a preset threshold value, the NBIOT communication module enters a Connected connection state, wakes up the data communication with the communication base station and then remotely logs in the background server, downloads a programmed control strategy module preset in the background server in advance, enables the execution module at the farmland end to independently operate according to the control strategy module, enables the quality of the farmland to reach the standard until the data acquired by the sensor in the farmland is completely recovered to the threshold value range, starts an inactive timer, the timing time of the inactive timer is up to 20 seconds, the configurable range is 1 s-3600 s, and after the timer counts the set time, if the data acquired by the sensor in the farmland is always in the threshold value range and the background server does not send a command to the NBIOT communication module, the inactive timer is overtime, the NBIOT communication module enters an Idle state, a Timer Active-Timer is started at the same time, the overtime configuration range of the Timer is 2 seconds-186 minutes, if data received by a sensor in an agricultural field are always in a threshold range and the background server does not send a command to the NBIOT communication module within the set timing range, the Timer Active-Timer is overtime, and the NBIOT communication module automatically requests to be disconnected with a communication base station to enter a PSM energy-saving mode. When the data collected by the sensor exceeds the threshold value again, the NBIOT communication module enters the Connected connection state again.
When the NBIOT communication module is in the PSM energy-saving mode, the background server can also actively control the execution module of the farmland end, only a wake-up command needs to be sent to the NBIOT communication module, so that the NBIOT communication module enters a Connected connection state from the PSM energy-saving mode, and a farmland monitor writes the control strategy module in the background server in advance, so that the farmland sensor threshold can be modified aiming at the production requirements of different crops by modifying a program in the background server.
The above method is exemplified by the following:
writing a soil moisture threshold range and an atmospheric smoke threshold range in a background server, awakening an NBIOT communication module, and transmitting the soil moisture threshold range and the atmospheric smoke threshold range to a farmland-side low-power-consumption mcu module; and a control strategy module when the soil moisture value is not in the soil moisture threshold range and a control strategy module when the atmospheric smoke value is not in the atmospheric smoke threshold range are written in the background server in advance.
In order to achieve the purpose of low power consumption, the NBIOT communication module at the farmland end and the communication base station are in data communication without being connected all the time, and a dormancy and awakening mode is adopted. The NBIOT working state is divided into a Connected connection state, an Idle state and a PSM energy-saving mode.
Wherein a soil moisture sensor and an atmospheric smoke sensor in the acquisition module acquire farmland information, when farmland soil lacks water, the farmland end low-power consumption mcu module judges that a numerical value acquired by the soil moisture sensor is lower than a soil moisture threshold range set in the low-power consumption mcu module, the NBIOT communication module enters a Connected connection state, remotely logs in a server after awakening, downloads a control strategy module which is written in a background server in advance, enables an execution module of the farmland end to independently operate according to the control strategy module, namely, an irrigation motor of the farmland end is started, soil humidity is increased until the farmland soil humidity is in the middle value of the soil moisture threshold range, namely, data acquired by the sensors in the farmland is recovered to the middle value of the threshold range, the irrigation motor is stopped, an inactivity timer is started simultaneously, and the time is waited for 2 minutes, if the sensor data in the farmland are always in the threshold range and the background server does not send a command to the NBIOT communication module, and if the sensor data in the farmland are always in the threshold range and the background server does not send a command to the NBIOT communication module within the time period, the Active-Timer is overtime, and the NBIOT communication module automatically requests to be disconnected with the communication base station to enter a PSM energy-saving mode, so that the automatic irrigation of the farmland is completed. When the data collected by the soil moisture sensor exceeds the threshold value again, the NBIOT communication module enters the Connected connection state again.
When a fire disaster occurs in a farmland, the value acquired by the atmospheric smoke sensor is higher than the atmospheric smoke threshold range set in the low-power consumption mcu module, the NBIOT communication module enters a Connected connection state, remotely logs in a server after awakening, downloads a control strategy module which is written in a background server in advance, and starts an alarm mode. After the fire is solved, if the smoke value detected by the atmospheric smoke sensor is far lower than a set threshold value, starting an inactive Timer, waiting for 2 minutes, if the sensor data in the farmland is always within the threshold value range and the background server does not send a command to the NBIOT communication module in this period of time, the inactive Timer is overtime, the NBIOT communication module enters an Idle state, and simultaneously starting a Timer Active-Timer, waiting for 2 minutes, if the sensor data in the farmland is always within the threshold value range and the background server does not send a command to the NBIOT communication module in this period of time, the Timer Active-Timer is overtime, and the NBIOT communication module automatically requests to be disconnected from the communication base station to enter a PSM energy-saving mode, so that a farmland fire alarm is completed. When the data collected by the atmospheric smoke sensor exceeds the threshold value again, the NBIOT communication module enters the Connected connection state again.
The low-power consumption farmland management system based on the NBIOT transmission technology comprises the following steps:
the low-power consumption mcu module is used for receiving farmland data;
the NBIOT communication module is in communication connection with the low-power-consumption mcu module and is used for sending the farmland data out to enable the farmland data to be observed remotely. The NBIOT communication module is used for sending the farmland data out so as to remotely observe the farmland data, so that a farmland manager can remotely observe farmland information, and the low-power-consumption mcu module is more energy-saving.
The low-power consumption farmland management system based on the NBIOT transmission technology further comprises:
the collection module is in communication connection with the low-power consumption mcu module and is used for collecting farmland data and transmitting the farmland data to the low-power consumption mcu module.
The collection module is including installing the sensor in the farmland, the sensor includes atmospheric temperature and humidity sensor, atmosphere smoke transducer, soil moisture sensor, soil salinity sensor, soil pH value sensor, carbon dioxide sensor or illumination sensor. Atmospheric temperature and humidity sensor, atmospheric smoke sensor, soil moisture sensor, soil salinity sensor, soil pH value sensor, carbon dioxide sensor or illumination sensor gather the atmospheric temperature and humidity in the farmland, the atmospheric smoke concentration in the farmland, the soil moisture content in farmland, the soil salinity content in farmland, the soil pH value content in farmland, the carbon dioxide concentration in farmland or the intensity of the illumination that the farmland receives respectively.
The low-power consumption farmland management system based on the NBIOT transmission technology further comprises:
the system comprises a communication base station and a background server, wherein the communication base station is arranged at a distance from the farmland and is in communication connection with the communication base station;
the communication base station is used for receiving the farmland data sent from the NBIOT communication module and forwarding the farmland data to the background server for display so as to enable a manager to remotely check farmland conditions, the manager can conveniently control farmland atmosphere and soil environment according to growth environment requirements of different crops, and the NBIOT communication module is also used for receiving the data sent from the communication base station and transmitting the data to the low-power consumption mcu module. The communication base station and the background server are generally arranged at a farmland management place.
The low-power consumption farmland management system based on the NBIOT transmission technology further comprises:
the execution module is electrically connected with the low-power-consumption mcu module;
the execution module comprises a motor set, and the motor set comprises an irrigation motor, a motor of a pesticide spraying device or a fertilization motor. The low-power consumption mcu module can also control the execution module to execute, such as controlling an irrigation motor to irrigate a farmland, controlling a motor of a pesticide spraying device to spray pesticides on the farmland or controlling a fertilization motor to fertilize the farmland.
The low-power consumption farmland management system based on the NBIOT transmission technology further comprises:
the power supply module is electrically connected with the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module and is used for supplying power to the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module;
the power module, the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module are all arranged at a farmland end and used for acquiring farmland information.
While the present invention has been described above in terms of procedures illustrated in embodiments, it will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that various changes, alterations, and substitutions can be made without departing from the scope of the present invention.
Claims (10)
1. A method of a low-power consumption farmland management system based on an NBIOT transmission technology is characterized by comprising the following steps:
step 1: the low-power consumption mcu module receives farmland data;
step 2: the NBIOT communication module transmits the farmland data for remote observation of the farmland data.
2. The method of the NBIOT transmission technology-based low power consumption farmland management system according to claim 1, wherein the NBIOT communication module and the communication base station do not need to be Connected all the time, but adopt a sleep and wake-up mode, so as to divide the working state of the NBIOT communication module into a Connected connection state, an Idle state and a PSM energy-saving mode.
3. The method of the low power consumption farmland management system based on the NBIOT transmission technology as claimed in claim 1, wherein the three operating modes of the Connected connection state, the Idle state and the PSM energy saving mode specifically comprise:
the sensor in the acquisition module acquires farmland information, when data acquired by the sensor exceeds a preset threshold value, the NBIOT communication module enters a Connected connection state, wakes up the data communication with the communication base station and remotely logs in the background server, downloads a control strategy module preset in the background server in advance, enables the execution module to independently operate according to the control strategy module, enables the quality of the farmland to reach the standard until the data acquired by the sensor in the farmland is completely recovered to the threshold value range, starts an inactive Timer, and after the Timer times to a set time, if the data acquired by the sensor in the farmland is always in the threshold value range and the background server does not send a command to the NBIOT communication module, the NBIOT communication module enters an Idle state, and simultaneously starts a Timer Active-Timer, and when the Timer Active-Timer is in the set timing range, if the data received by the sensor in the farmland is always within the threshold value range and the background server does not send a command to the NBIOT communication module, the Timer Active-Timer is overtime, and the NBIOT communication module automatically requests to be disconnected with the communication base station to enter a PSM energy-saving mode; when the data collected by the sensor exceeds the threshold value again, the NBIOT communication module enters the Connected connection state again.
4. The method of the low-power consumption farmland management system based on the NBIOT transmission technology of claim 3, characterized in that when the NBIOT communication module is in the PSM energy-saving mode, the background server can also actively control the execution module, only a wake-up command needs to be sent to the NBIOT communication module, so that the NBIOT communication module enters a Connected connection state from the PSM energy-saving mode, and a farmland monitor writes the control strategy module in the background server in advance.
5. A low-power consumption farmland management system based on NBIOT transmission technology is characterized by comprising the following components:
the low-power consumption mcu module is used for receiving farmland data;
the NBIOT communication module is in communication connection with the low-power-consumption mcu module and is used for sending the farmland data out to enable the farmland data to be observed remotely.
6. The NBIOT transmission technology-based low-power farmland management system according to claim 5, wherein the NBIOT transmission technology-based low-power farmland management system further comprises:
the collection module is in communication connection with the low-power consumption mcu module and is used for collecting farmland data and transmitting the farmland data to the low-power consumption mcu module.
7. The NBIOT transmission technology based low power farmland management system according to claim 5, wherein the collection module comprises sensors installed in the farmland, the sensors comprising atmospheric temperature and humidity sensors, atmospheric smoke sensors, soil moisture sensors, soil salt sensors, soil pH sensors, carbon dioxide sensors or light sensors.
8. The NBIOT transmission technology-based low-power farmland management system according to claim 5, wherein the NBIOT transmission technology-based low-power farmland management system further comprises:
the system comprises a communication base station and a background server, wherein the communication base station is arranged at a distance from the farmland and is in communication connection with the communication base station;
the communication base station is used for receiving the farmland data sent by the NBIOT communication module and forwarding the farmland data to the background server for display, and the NBIOT communication module is also used for receiving the data sent by the communication base station and transmitting the data to the low-power consumption mcu module.
9. The NBIOT transmission technology-based low-power farmland management system according to claim 5, wherein the NBIOT transmission technology-based low-power farmland management system further comprises:
the execution module is electrically connected with the low-power-consumption mcu module;
the execution module comprises a motor set, and the motor set comprises an irrigation motor, a motor of a pesticide spraying device or a fertilization motor.
10. The NBIOT transmission technology-based low-power farmland management system according to claim 5, wherein the NBIOT transmission technology-based low-power farmland management system further comprises:
the power supply module is electrically connected with the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module and is used for supplying power to the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module;
the power module, the low-power-consumption mcu module, the acquisition module, the execution module and the NBIOT communication module are all arranged at a farmland end.
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