CN210271209U - Valve control system based on LoRa wireless communication - Google Patents
Valve control system based on LoRa wireless communication Download PDFInfo
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- CN210271209U CN210271209U CN201921187400.2U CN201921187400U CN210271209U CN 210271209 U CN210271209 U CN 210271209U CN 201921187400 U CN201921187400 U CN 201921187400U CN 210271209 U CN210271209 U CN 210271209U
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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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Abstract
The utility model discloses a valve control system based on loRa wireless communication, including loRa gateway and with the several valve controller that loRa gateway is connected, valve controller includes singlechip and the power module, pressure flow all-in-one, voltage acquisition module, debugging module, solenoid valve control module, RS485 module and the loRa radio frequency module of being connected with the singlechip, and loRa radio frequency module is connected with the loRa gateway, and solenoid valve control module is connected with the solenoid valve among the agricultural irrigation system, and voltage acquisition module is connected with power module. The utility model discloses a loRa is as data transmission's module, and 32 valve controller can be inserted at most to every loRa gateway, reduces the frequency channel interference that many gateways disposed and bring, has advantages such as with low costs, low power dissipation, networking ability are good, cover extensively.
Description
Technical Field
The utility model relates to a valve control system based on loRa wireless communication belongs to agricultural irrigation technical field.
Background
The average water resource amount of people in China is only 2300 cubic meters, which is only 1/4 in the average level of the world, and the water resource is ranked 110 in the world, so that the water resource is one of the most poor countries of the average water resource of people in the world. The traditional agricultural irrigation method is manual irrigation which is mainly flood irrigation, and a large amount of water is wasted in the mode. The current valve control system controls the electromagnetic valve on the pipeline in the irrigation system, realizes remote valve control and effectively reduces the waste of agricultural water.
The most difficult problem of the valve control system is the network problem, and firstly, a wired network topology is deployed in a farmland, so that inconvenience is caused to the cultivation and harvesting of crops. Second, wireless transmission, which is WiFi and ZigBee commonly used at present, is poor in networking capability, short in transmission distance, not safe enough, and high in power consumption; although the ZigBee has high transmission rate, the ZigBee has too short distance, and the ZigBee needs to increase relay nodes or increase the number of gateways when the ZigBee is deployed in a farmland, so that the equipment cost is greatly increased.
Disclosure of Invention
An object of the utility model is to a wide-range cover, connect more, low cost, low-power consumption, long stable and be applicable to agricultural irrigation's valve control system based on loRa wireless communication.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a valve control system based on loRa wireless communication, includes loRa gateway and the several valve controller of being connected with the loRa gateway, valve controller includes the singlechip and the power module, pressure flow all-in-one, voltage acquisition module, debugging module, solenoid valve control module, RS485 module and the loRa radio frequency module of being connected with the singlechip, and the loRa radio frequency module is connected with the loRa gateway, and solenoid valve control module is connected with the solenoid valve in the agricultural irrigation system, and voltage acquisition module is connected with power module.
Furthermore, the power module adopts a solar panel to supply power.
Further, the RS485 module is connected with a sensor array.
Further, the sensor array includes a temperature sensor, a humidity sensor, and a carbon dioxide sensor.
Further, the singlechip adopts an STM32 singlechip.
Further, the Lora radio frequency module adopts an SX1278 chip.
The utility model discloses following beneficial effect has:
(1) the LoRa is used as a data transmission module, each LoRa gateway can be connected with 32 valve controllers at most, frequency band interference caused by multi-gateway deployment is reduced, and the method has the advantages of low cost, low power consumption, good networking capability, wide coverage and the like;
(2) through setting up pressure flow all-in-one, water pressure and rivers in the real-time detection pipeline suitably open or close the solenoid valve in order to control water pressure and rivers, have improved the life of pipeline to and the growth ability of crops.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of the present invention.
Fig. 2 is a block diagram of the valve controller of the present invention.
Fig. 3 is a schematic structural diagram of the single chip microcomputer of the present invention.
Detailed Description
As shown in fig. 1, the valve control system based on LoRa wireless communication that this embodiment provided includes the LoRa gateway and the several valve controller who is connected with the LoRa gateway, the LoRa gateway is connected with cloud platform, cloud platform can be connected with a plurality of handheld terminal to realize the data interaction function.
As shown in fig. 2, valve controller includes singlechip and the power module, pressure flow all-in-one, voltage acquisition module, debugging module, solenoid valve control module, RS485 module and the loRa radio frequency module of being connected with the singlechip, and the loRa radio frequency module is connected with the loRa gateway, and solenoid valve control module is connected with the solenoid valve among the agricultural irrigation system, and the power is connected with voltage acquisition module.
The power module adopts a solar panel to supply power and comprises the solar panel, an inverter and a lithium battery, the solar panel converts solar energy into electric energy, and the electric energy is charged to the lithium battery through the inverter. The voltage acquisition module is used for acquiring the voltage of the lithium battery and the output voltage signal of the solar panel and sending the acquired voltage signal to the single chip microcomputer.
The pressure and flow all-in-one machine is used for collecting the water flow speed and the water flow pressure in the water pipe; the device is realized by adopting equipment capable of collecting water pressure and water flow in the prior art, and sends the collected water flow speed and water flow pressure to the single chip microcomputer.
The electromagnetic valve control module is used for driving the electromagnetic valve in the agricultural irrigation system to be opened or closed so as to realize irrigation, and whether the electromagnetic valve control module is used for opening or closing the electromagnetic valve is controlled by a single chip microcomputer.
The debugging module is used for realizing the debugging function of the single chip microcomputer.
The RS485 module is used for connecting the sensor array, realizes the collection of data, the sensor array mainly includes temperature sensor, humidity transducer and carbon dioxide sensor for gather the content of temperature signal, humidity signal and carbon dioxide, the sensor array can increase or change other data acquisition sensors according to the farmland demand, only need to change the sensor that has the RS485 interface be connected with RS458 and realize the collection of data can.
The LoRa radio frequency module is used for realizing data transmission between the valve controller and the cloud platform and is mainly realized by an SX1278 chip which has low power consumption, is anti-interference and is long-distance. The receiving sensitivity of the Lora module is as high as-148 dbm, excessive channel interference is avoided in a vast farmland, 3-kilometer stable transmission can be realized, and the long-distance requirement of the agricultural irrigation technology is completely met. The receiving current of the Lora module is only 14mA, the sleeping current is only 100nA, and the channel activity detection function provided by the Lora module is adopted, so that the purposes that only 30 milliseconds need to be awakened every 5 seconds, any data sent by the gateway can be effectively received, and the power consumption is greatly reduced are achieved.
As shown in fig. 3, the single chip microcomputer is implemented by using a processor with data storage and processing capabilities, and specifically, the embodiment is implemented by using an STM32 single chip microcomputer, in which a valve control main program, a flow monitoring main program, a low power consumption control main program, a LoRa wireless communication protocol, and an RS485 wired communication protocol are loaded.
The valve control main program is used for receiving a signal received by the LoRa radio frequency module and used for driving the valve to open or close, or collecting the water flow speed and the water flow pressure pair in the water pipe according to the pressure flow integrated machine to generate a signal for driving the electromagnetic valve to open or close. Flow monitoring main program is used for receiving the water velocity and the water pressure that pressure flow all-in-one machine adopted in the water pipe, avoids because rivers are too big or water pressure is too big, and the water pressure in the agricultural irrigation system too big can cause the water pipe to break, influences agricultural irrigation system's life, and the too big plant in meeting the farmland of rivers can have the influence. The low-power consumption main program reduces the power consumption of whole controller, and the lithium cell need not external power supply in time, directly can realize the power consumption demand through the solar panel power supply. The LoRa wireless communication protocol is used for awakening a single chip microcomputer at intervals to adopt a signal acquired by an electromagnetic valve state and a water pressure all-in-one machine, specifically awakening the single chip microcomputer once every 5 seconds, and is mainly used for receiving an inquiry control command sent by a LoRa gateway and reporting the electromagnetic valve state, the current electric quantity, the current water flow state, the sensor state and the like to the LoRa gateway after awakening each time; the valve controller LoRa radio frequency module is awakened every time and receives data in a CAD mode, and a non-CAD mode is adopted for sending. The RS485 wired communication protocol is started by the single chip microcomputer to communicate, the single chip microcomputer sends a task message to the sensor, and the sensor returns a response message and executes corresponding actions after receiving a task command of the single chip microcomputer.
The utility model discloses a work flow does: the handheld terminal of user with cloud platform connects, realizes the transmission of acquireing and the execution command of data, and cloud platform adopts prior art's cloud computing function's server to realize, mainly used data storage and data analysis, cloud platform passes through the loRa gateway is connected, the loRa gateway adopt prior art can with this embodiment the data transmission's that the valve controller that provides is connected and can realize intelligent gateway realizes, and the user can open or close the instruction of solenoid valve through the cell-phone, sends for the loRa gateway after the cloud platform receives, and the loRa gateway is giving corresponding valve controller, and valve controller receives the instruction, and control solenoid valve opens or closes.
The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.
Claims (6)
1. The utility model provides a valve control system based on loRa wireless communication which characterized in that: including loRa gateway and the several valve controller of being connected with the loRa gateway, valve controller includes singlechip and power module, pressure flow all-in-one, voltage acquisition module, debugging module, solenoid valve control module, RS485 module and the loRa radio frequency module of being connected with the singlechip, and the loRa radio frequency module is connected with the loRa gateway, and solenoid valve control module is connected with the solenoid valve among the agricultural irrigation system, and voltage acquisition module is connected with power module.
2. The LoRa wireless communication-based valve control system of claim 1, wherein: the power module adopts a solar panel to supply power.
3. The LoRa wireless communication-based valve control system of claim 1, wherein: and the RS485 module is connected with a sensor array.
4. The LoRa wireless communication-based valve control system of claim 3, wherein: the sensor array includes a temperature sensor, a humidity sensor, and a carbon dioxide sensor.
5. The valve control system based on LoRa wireless communication according to any claim 1 ~ 4, characterized in that: the singlechip adopts STM32 singlechip.
6. The LoRa wireless communication-based valve control system of claim 5, wherein: the Lora radio frequency module adopts an SX1278 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187400.2U CN210271209U (en) | 2019-07-25 | 2019-07-25 | Valve control system based on LoRa wireless communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187400.2U CN210271209U (en) | 2019-07-25 | 2019-07-25 | Valve control system based on LoRa wireless communication |
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| Publication Number | Publication Date |
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| CN210271209U true CN210271209U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921187400.2U Expired - Fee Related CN210271209U (en) | 2019-07-25 | 2019-07-25 | Valve control system based on LoRa wireless communication |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711696A (en) * | 2020-06-17 | 2020-09-25 | 安徽能测能控科技有限公司 | Intelligent wireless valve controller system access system |
| CN112866997A (en) * | 2020-12-31 | 2021-05-28 | 安徽能测能控科技有限公司 | Wireless communication method and system based on LoRa |
| CN114509967A (en) * | 2021-12-31 | 2022-05-17 | 南京晨光集团有限责任公司 | RDDV valve digital controller based on Internet of things |
-
2019
- 2019-07-25 CN CN201921187400.2U patent/CN210271209U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711696A (en) * | 2020-06-17 | 2020-09-25 | 安徽能测能控科技有限公司 | Intelligent wireless valve controller system access system |
| CN112866997A (en) * | 2020-12-31 | 2021-05-28 | 安徽能测能控科技有限公司 | Wireless communication method and system based on LoRa |
| CN114509967A (en) * | 2021-12-31 | 2022-05-17 | 南京晨光集团有限责任公司 | RDDV valve digital controller based on Internet of things |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20200725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |