CN214046009U

CN214046009U - Intelligent soil moisture content acquisition system based on NB-IOT

Info

Publication number: CN214046009U
Application number: CN202023228568.9U
Authority: CN
Inventors: 韩敬敬; 王立强; 刘延
Original assignee: Henan Weiguo Electronic Technology Co ltd
Current assignee: Henan Weiguo Electronic Technology Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-24
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a soil moisture content intelligent acquisition system based on NB-IOT relates to agricultural production information technical field. The utility model comprises a main control MCU module, a NB-IOT module, a power supply module, a cloud server and a control terminal, wherein the main control MCU module is connected with the NB-IOT module, and the cloud server receives the data of the main control MCU module through the NB-IOT module; the RTC module is additionally arranged on the main control MCU module and used for waking up the main control MCU module regularly, and the power supply module comprises a solar controller, a solar cell panel and a storage battery and is used for supplying power to the intelligent soil moisture content acquisition system of the NB-IOT. The system reduces the power consumption to be extremely low, and the solar panel and the storage battery which are required to be matched have extremely small volumes, so that the system is simple to install and occupies small area.

Description

Intelligent soil moisture content acquisition system based on NB-IOT

Technical Field

The utility model belongs to the technical field of agricultural production information, concretely relates to soil moisture content intelligent acquisition system based on NB-IOT.

Background

With the rapid development of agricultural technology in China, manual soil sampling and soil moisture measurement are gradually replaced by automatic soil moisture measurement of instruments. However, the current automatic soil moisture measuring equipment is large in size, large in occupied area and high in power consumption, cannot be put into sleep and waken up regularly to send collected data to a cloud server, and is mainly powered by solar energy and a storage battery at present, so that the occupied area is large.

SUMMERY OF THE UTILITY MODEL

For solving prior art's automation and survey soil moisture equipment volume great, area is big, the consumption is higher, can not regularly sleep and awaken up the problem that sends data collection to cloud ware, the utility model provides a soil moisture content intelligent acquisition system based on NB-IOT.

The technical scheme of the utility model is that: an intelligent soil moisture content acquisition system based on NB-IOT comprises a master control MCU module, an NB-IOT module, a power supply module, a voltage sensor, a cloud server and a control terminal, wherein the master control MCU module is provided with an RTC module and is used for setting timing awakening of the master control MCU module;

the system comprises a main control MCU module, a NB-IOT module, a control terminal, a cloud server, a power supply module, a voltage sensor and a power supply module, wherein the main control MCU module is connected with the NB-IOT module, the NB-IOT module is connected with the cloud server, the control terminal is connected with the cloud server through a network, the main control MCU module and the voltage sensor are both connected with the power supply module, and the voltage sensor is connected with the main control MCU module.

Further, the master MCU module is an STM32 series microprocessor.

Furthermore, the voltage follower is further included, the input end of the voltage follower is connected with the output end of the voltage sensor, and the output end of the voltage follower is connected with the main control MCU module.

Further, power module includes casing, solar control ware, solar cell panel and battery, solar cell panel sets up the top at the casing, solar control ware and battery all set up inside the casing, solar control ware with the battery is connected, solar control ware with solar cell panel connects.

Further, the surface of the shell is provided with a waterproof film.

Further, the casing includes upper housing and lower casing, the rear side of upper housing and lower casing passes through the hinge and links to each other, the front side of upper housing and lower casing passes through the buckle and links to each other.

Further, the range of the input voltage value of the voltage acquisition sensor is 0-3V.

Further, the NB-IOT module is a BC26 module.

Further, the voltage follower is a voltage follower with model LM 324.

By adopting the above technical scheme, the utility model, its beneficial effect is: the RTC module is arranged in the main control MCU module, the RTC module is arranged in the main control MCU module to set timing wake-up time, and after the preset time is reached, the NB-IOT module is triggered to exit from the wake-up mode to enter into a normal working mode by sending a wake-up instruction to the NB-IOT module, and the main control MCU is triggered to exit from the sleep mode to enter into the normal working mode; this application still integrates solar panel and battery and acquisition terminal to an organic whole after master control MCU module gets into normal operating mode, makes the installation simple, and occupation of land is little.

Drawings

FIG. 1 is a block diagram of the system of the present invention;

fig. 2 is a schematic structural diagram of the housing of the power supply device of the present invention.

In the figure, 1 a-housing; 2 a-snap.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, the embodiment provides a soil moisture content acquisition terminal system based on NB-IOT, which includes a main control MCU module, an NB-IOT module, a power supply module, a voltage sensor, a cloud server, and a control terminal; the main control MCU module is provided with an RTC module and is used for setting a timed awakening main control MCU module, and the main control MCU module issues an awakening NB-IOT module through an instruction; the main control MCU module is connected with the NB-IOT module, the NB-IOT module is connected with the cloud server and used for transmitting data stored by the main control MCU module, and the control terminal is connected with the cloud server through a network and used for receiving data transmitted by the cloud server; the power supply module is connected with the main control MCU module and used for supplying power to the soil moisture content acquisition terminal system of the NB-IOT; the voltage sensor is connected with the power supply module and used for collecting the voltage of the power supply module.

The main control MCU of the device is provided with an RTC module for setting timing wake-up time, and after the set time is reached, the main control MCU module is triggered to exit from a sleep mode and enter into a normal working mode; after the main control MCU module enters a normal working mode, the main control MCU module triggers the NB-IOT module to exit a sleep mode and enter the normal working mode by sending a wake-up instruction to the NB-IOT module; the master control MCU module starts AD digital-to-analog conversion, converts the analog voltage of 0-3V of the voltage sensor into a digital signal through the voltage follower, and closes the AD conversion after the conversion is finished; the main control MCU module sends the AD-converted data collected by the voltage sensor to the NB-IOT module according to an assembly protocol, and the NB-IOT module uploads the data to the cloud server. After the data uploading is finished, the main control MCU module sends an instruction to the NB-IOT module to enter a sleep instruction, the NB-IOT module enters the sleep mode, and after the main control MCU module waits for the NB-IOT module to enter the sleep working mode, the main control MCU module closes the started peripheral and enters the sleep mode.

Example 2

Referring to fig. 2, based on implementation 1, an input end of the voltage follower of this embodiment is connected to an output end of the voltage sensor, an output end of the voltage follower is connected to the main control MCU module, a voltage collected by the voltage sensor is directly input into the main control MCU module, the main control MCU module performs storage, digital amplification and analog-to-digital conversion a/D conversion, and the main control MCU module stores a voltage value collected by the voltage sensor and transmits the voltage value to the cloud server through the NB-IOT module.

The power module of this device includes casing 1a, solar controller, solar cell panel and battery, solar cell panel sets up the top at casing 1a, solar controller and battery all set up inside casing 1a, solar controller is connected with the battery, solar controller is connected with solar cell panel, casing 1a surface is provided with the water proof membrane, when the power module of this device is the system power supply, can also prevent that water from entering into casing 1a the inside, can effectual protection casing 1a in the device, casing 1a of this device includes casing and lower casing, and it passes through the hinge with the rear side of lower casing to go up the casing and links to each other, it passes through buckle 2a with the front side of lower casing to go up the casing and links to each other, just so can be very convenient open casing 1a and examine the maintenance to the components and parts in the casing 1 a.

The voltage sensor signal acquisition of the terminal system is a voltage value, the acquired voltage value passes through the voltage follower, the voltage sensor signal voltage is input to a 12-bit AD input port of the main control MCU module, the voltage sensor input voltage range is 0-3V, and the main control MCU module converts the A/D value of the signal voltage and sends the converted signal voltage to the server. The solar panel and the accumulator of the device are small in size and can be integrated with the acquisition terminal into a whole, so that the device is simple to install and small in occupied space.

It is to be understood that the above-described embodiments are illustrative only and not restrictive of the broad invention, and that various other modifications and changes in light thereof will be suggested to persons skilled in the art based upon the above teachings. It is not necessary or necessary to exhaustively enumerate all embodiments herein, and obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a soil moisture content intelligence collection system based on NB-IOT which characterized in that: the intelligent power supply system comprises a main control MCU module, an NB-IOT module, a power supply module, a voltage sensor, a cloud server and a control terminal;

the master control MCU module is provided with an RTC module and is used for setting timing awakening of the master control MCU module;

the main control MCU module is connected with an NB-IOT module, the NB-IOT module is connected with a cloud server, and the control terminal is connected with the cloud server through a network;

the master control MCU module and the voltage sensor are both connected with the power supply module, and the voltage sensor is connected with the master control MCU module.

2. The NB-IOT based intelligent soil moisture acquisition system of claim 1, wherein: the master MCU module is an STM32 series microprocessor.

3. The NB-IOT based intelligent soil moisture acquisition system of claim 1, wherein: the voltage follower is further included, the input end of the voltage follower is connected with the output end of the voltage sensor, and the output end of the voltage follower is connected with the main control MCU module.

4. The NB-IOT based intelligent soil moisture acquisition system of claim 1, wherein: the power supply module comprises a shell (1a), a solar controller, a solar panel and a storage battery, wherein the solar panel is arranged at the top of the shell (1a), the solar controller and the storage battery are both arranged inside the shell (1a), the solar controller is connected with the storage battery, and the solar controller is connected with the solar panel.

5. The NB-IOT based intelligent soil moisture acquisition system of claim 4, wherein: the surface of the shell (1a) is provided with a waterproof film.

6. The NB-IOT based intelligent soil moisture acquisition system of claim 4, wherein: the shell (1a) comprises an upper shell and a lower shell, the rear sides of the upper shell and the lower shell are connected through a hinge, and the front sides of the upper shell and the lower shell are connected through a buckle (2 a).

7. The NB-IOT based intelligent soil moisture acquisition system of claim 1, wherein: the input voltage value range of the voltage acquisition sensor is 0-3V.

8. The NB-IOT based intelligent soil moisture acquisition system of claim 1, wherein: the NB-IOT module is a BC26 module.

9. The NB-IOT based intelligent soil moisture acquisition system of claim 3, wherein: the voltage follower is a voltage follower with the model number LM 324.