CN107608281A - A kind of water conservancy observing and controlling information terminal - Google Patents
A kind of water conservancy observing and controlling information terminal Download PDFInfo
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- CN107608281A CN107608281A CN201711074759.4A CN201711074759A CN107608281A CN 107608281 A CN107608281 A CN 107608281A CN 201711074759 A CN201711074759 A CN 201711074759A CN 107608281 A CN107608281 A CN 107608281A
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- observing
- information terminal
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- water conservancy
- controlling information
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Abstract
The present invention provides a kind of water conservancy observing and controlling information terminal, including STM32F103 embedded scms, the single-chip microcomputer is connected to data communication interface, man-machine interface panel, electric parameter Acquisition Circuit, switch interface circuit, analog interface circuit, clock unit and data storage cell, the switch interface circuit includes DI ports and DO ports, and control is obtained and switched for the state of pump for well and valve.Small product size of the present invention is small, low in energy consumption, a variety of I/O interfaces of configuration, shell protection grade is high, adapt to the severe working environment of a variety of power supply modes, mounting condition, receive the multiple sensors signal for coming from irrigated area well scene, pass through STM32F103 single-chip microcomputer processing datas, work to irrigated area well is made a response, while real-time online transmits data to LORA wireless networks.
Description
Technical field
The present invention relates to a kind of work on the spot parameter automatic data collection of irrigated area water conservancy, the transmission of real time data wireless remote, intelligence
Energy, remote control and the detection and control terminal of management, more particularly, to a kind of irrigated area water conservancy observing and controlling information terminal.
Background technology
At present, the well of most of irrigated area wells is scattered, environment is complicated, stops well caused by equipment fault and human factor
Phenomenon can not find and handle in time；Artificial patrol efficiency is low, consumption is big, and water pumper utilization rate of equipment and installations is low.Water pumper is as water
The main big power consumer of well, be the emphases of supervision of the safety in production of irrigated area well and energy-saving and emission-reduction, equipment investment is expensive, operation into
This height, safety in production operation ensure that the problem of difficult is important topic urgently to be resolved hurrily at present.
The development of intelligent monitoring information terminal brings facility to the production of irrigated area well, intelligent monitoring information terminal technology with
The fusion of wisdom product makes it possible the research and development of irrigated area water conservancy observing and controlling information terminal.According to investigation is visited, in view of at present
The above-mentioned common situation of the monitoring management of irrigated area well, R ＆ D design intelligent monitoring information terminal have very real meaning.
The content of the invention
The invention provides a kind of water conservancy observing and controlling information terminal in irrigated area, is designed for application mounting condition rugged environment
Collection " independent self-powered, low-power consumption, three-proof design（Waterproof, it is anti-it is damp and hot go mouldy, sand-proof airborne dust）, interface of internet of things, data adopt
Integrate, data storage, be wirelessly transferred " irrigated area water conservancy observing and controlling information terminal, small product size is small, low in energy consumption, configuration is more
Kind I/O interfaces, shell protection grade is high, adapts to the severe working environment of a variety of power supply modes, mounting condition.This device
Using LORA wireless communication modes.Device receives the multiple sensors signal for coming from irrigated area well scene, passes through STM32F103
Single-chip microcomputer processing data, the work to irrigated area well are made a response, while real-time online transmits data to LORA wireless networks,
And the order that can be sent according to central control room main website, take the action of response.
Its technical scheme is as described below：
A kind of water conservancy observing and controlling information terminal, including STM32F103 embedded scms, the single-chip microcomputer are connected to data and led to
Communication interface, man-machine interface panel, electric parameter Acquisition Circuit, switch interface circuit, analog interface circuit, clock unit sum
According to memory cell, the switch interface circuit includes DI ports and DO ports, and the state for pump for well and valve obtains
Take and switch control.
The data communication interface includes LORA communication interface modules, RJ45 network interfaces, and RS485 communication interfaces electricity
Road, for providing the connection of RS485 buses；Also include jtag interface, for program burn writing.
The man-machine interface panel includes liquid crystal display panel, LED operation state instruction and function keyboard, passes through man-machine boundary
Face is used for the human-computer dialogue of this terminal.
The switch interface circuit is at least connected with three DI ports and two DO ports, and the DI ports are as passive
Contact switch amount inputs, and is fed back for well pump operation and the on off state of halted state feedback contact access and valve/gate
Contact accesses；DO ends as the pulse of relay dry contact export, for electrifying startup or central control room control operation pump for well,
The switch for stopping control and valve/gate controls.
The analog interface circuit has been at least connected with three AI ports, for the input of siphon pressure, flow, and liquid
The 4-20mA inputs of position detection analog quantity.
The single-chip microcomputer is additionally provided with humiture interface, and humiture interface is connected to Temperature Humidity Sensor, for irrigated area water
The Temperature and Humidity input of well scene.
The electric parameter Acquisition Circuit, for detect the voltage of water pump, electric current, active and reactive, power factor, power consumption,
Phase sequence, overload, phase shortage, zero-sequence current, Energy Efficiency Analysis.
The clock unit of the single-chip microcomputer connection, there is provided embedded scm work clock and system time real-time clock.
A kind of initialization control method of water conservancy observing and controlling information terminal, comprises the following steps：
（1）According to the instruction of the main transmission of central control room, its legitimacy is judged, if successfully receiving data, that is, perform long-range survey
Control, otherwise performs local observing and controlling；And pending data is waited to return；
（2）Order carries out communicating interrupt program and irrigated area well parameter setting interrupt routine successively, and enables；
（3）It is successively read all parameters at pump for well scene：DI ports, DO ports, AI ports, humiture port, electric parameter end
Mouthful；
（4）Order carries out the data acquisition of input port, single-chip microcomputer input refreshes, display processing；
（5）Carry out key scan input detection, display and processing；
（6）Whether STM32F103 single-chip microcomputers alarm according to system initialization data and port data, automatic decision system, bag
Include contact self diagnosis, siphon pressure transfinites；
（7）The alarm condition of alarm release previous moment is stored in history data repository, and it can be preserved after alarm release
Flag bit state；
（8）After eve is not alarmed or alarm release time delay reaches, the output of well pump operation.
Further, step（7）And step（8）Between, set according to present apparatus inner parameter, one is had after alarm release
Fixed time delay interval detection, avoids pump for well frequent starting.
The features of the present invention and function：
1）Using the embedded chip of high reliability, integrate collection, computing, storage, control, display, communicate, structure is tight
Gather, it is cost-effective.
2）The pulse switch control model of original creation, power is small, reliability is high, fault rate is extremely low.
3）RJ45 network interfaces are supported, it is convenient to form LAN.
4）Using new LORA communication modes, interference is small, and reliability is high, and economy is high.
5）Special software and hardware optimization design mode, have waterproof, it is anti-it is damp and hot go mouldy, the function of sand-proof airborne dust.
6）Multiple-working mode, the energy is greatly saved.
7）Pump for well status monitoring, teletransmission.
8）Liquid level, flow, valve/gate, the state-detection of humiture, teletransmission.
10）Button：Function button sets band authority, prevents any personnel from changing technical parameter.
Brief description of the drawings
Fig. 1 is the structural representation of the irrigated area water conservancy observing and controlling information terminal based on Internet of Things；
Fig. 2 is the schematic diagram of the STM32F103 single-chip microcomputers；
Fig. 3 is the schematic diagram of the power circuit；
Fig. 4 is the schematic diagram of the liquid crystal display circuit；
Fig. 5 is the schematic diagram of the LED indicating circuit；
Fig. 6 is the partial circuit schematic diagram of the electric parameter Acquisition Circuit；
Fig. 7 is the schematic diagram of the LORA wireless communication lines；
Fig. 8 is the schematic diagram of the RS485 communicating circuits；
Fig. 9 is the partial circuit schematic diagram of the RJ45 network interface circuits；
Figure 10 is the schematic diagram of the function button interface circuit；
Figure 11 is the schematic diagram of the humiture interface circuit；
Figure 12 is the schematic diagram of the digital input circuit；
Figure 13 is the schematic diagram of the digital quantity output circuit；
Figure 14 is the analog signal（4-20mA）Acquisition Circuit schematic diagram；
Figure 15 is the process chart of the initialization of the STM32F103 single-chip microcomputers.
Embodiment
The present invention is a kind of intelligent monitoring information terminal supporting for irrigated area water conservancy, belongs to irrigated area water conservancy equipment " three change " pipe
Reason field.
Block diagram as shown in Figure 1, the present invention include STM32F103 single-chip microcomputers, and the single-chip microcomputer is connected to data and led to
Communication interface, man-machine interface panel, electric parameter Acquisition Circuit, switch interface circuit, analog interface circuit, clock unit sum
According to memory cell, the switch interface circuit includes DI ports and DO ports, and the state for pump for well and valve obtains
Take and switch control.The data communication interface includes LORA communication interface modules, RJ45 network interfaces, and RS485 leads to
Communication interface circuit, for providing the connection of RS485 buses；Also include jtag interface, for program burn writing.The man-machine interface panel
Including liquid crystal display panel, LED operation state instruction and function keyboard, the human-computer dialogue of this terminal is used for by man-machine interface.
The switch interface circuit is at least connected with three DI ports and two DO ports.The analog interface circuit is at least connected with
There are three AI ports.Also include humiture port.
Each several part combination Fig. 2-Figure 14 is described as follows：
What one STM32F103 embedded scm, all gathered datas of responsible analyzing and processing and central control room were sent
Control command, and according to circumstances make corresponding judgement, processing；
4 touch key-press, 4 buttons are to determine key, right key, upwarding key, cancel key respectively；
1 liquid crystal display（Or digital-scroll technique）, support 2 rows to show, often row at most 8 Chinese characters of display；
6 LED lights, indicate respectively operation, collection, wireless, network, signal and failure；
One LORA wireless module, for online transmission data and receive control command；
One data storage, for preserving measurement data；
Several operational amplifiers, for amplifying the measurement data from spot sensor；
A set of clock unit, there is provided embedded scm work clock and system time real-time clock；
DI ports：Passive contact switch amount input, for well pump operation and halted state feedback contact access and valve/gate
On off state feedback contact access；
DO ports：The pulse of relay dry contact exports, and for electrifying startup or central control room control operation pump for well, stops control
The switch of system and valve/gate controls；
AI ports：Inputted for siphon pressure, flow and level sensing analog quantity 4-20mA；
One humiture port, the input of irrigated area well scene Temperature and Humidity.
One RS485 port, there is provided RS485 buses connect；
A set of electric parameter port, for detecting the voltage of water pump, electric current, active and reactive, power factor, power consumption, phase sequence, mistake
Load, phase shortage, zero-sequence current, Energy Efficiency Analysis etc..
One personal-machine interface, the human-computer dialogue for this terminal.
Irrigated area water conservancy observing and controlling information terminal proposed by the present invention to data sampling and processing, control processing procedure, including：
Data acquisition gathers well data successively using STM32F103 single-chip microcomputers as core, automatically with may be programmed interior setting parameter ratio
Compared with, processing, judge, and according to judged result perform further operation.
The data transfer of water conservancy observing and controlling information terminal in irrigated area proposed by the present invention uses wireless network LORA communication transfer numbers
According to；Also can be transmitted by RS485 ports MODBUS-RTU agreements.
The STM32F103 single-chip microcomputers use standard RS232 communication interface agreements with LORA communication modules；STM32F103
Single-chip microcomputer supports standard MODBUS-RTU communications protocol with RS485 communication interfaces.
The remote control technology of water conservancy observing and controlling information terminal in irrigated area proposed by the present invention can be according to central control room main website
Control instruction, to pump for well complete start and stop control.
The field speech alarm of water conservancy observing and controlling information terminal in irrigated area proposed by the present invention and automatic alarm stop and restarted to adopt
With a kind of advanced, practical design method.
The present invention is gathered and judged in real time to pump for well field data using sensors such as humiture, pressure, liquid levels
And high speed processing, central control room main station system is sent to by LORA wireless modes step by step, also water-filling can be entered by main station system
Well pump runs the control with stopping；Well can be automatically stopped and run when humiture overload alarm or overload alarm release
Pump, so as to realize pump for well remote measurement and control management.
The initialization process flow chart of STM32F103 single-chip microcomputers as shown in figure 15, in the water conservancy observing and controlling information terminal of irrigated area
STM32F103 single-chip microcomputers are the core technologies of the present invention.
Step a, according to the instruction of the main transmission of central control room, judge its legitimacy, if successfully receiving data, that is, perform
Remote measurement and control, otherwise perform local observing and controlling；And pending data is waited to return.
Step b, order carries out communicating interrupt program and irrigated area well parameter setting interrupt routine successively, and enables.
Step c, it is successively read all parameters at pump for well scene：DI ports, DO ports, AI ports, humiture port, electricity
Parameter port.
Step d, order carries out the data acquisition of input port, single-chip microcomputer input refreshes, display processing
Step e, carry out key scan input detection, display and processing
Whether step f, STM32F103 single-chip microcomputer alarms according to system initialization data and port data, automatic decision system,
Transfinited including contact self diagnosis, siphon pressure.
Step g, the alarm condition of alarm release previous moment are stored in history data repository, can after alarm release
Preserve its flag bit state.
Step h, set according to present apparatus inner parameter, certain time delay interval detection is had after alarm release, avoids water
Well pump frequent starting.
Step i, after eve is not alarmed or alarm release time delay reaches, the output of well pump operation.
Small product size of the present invention is small, low in energy consumption, a variety of I/O interfaces of configuration, and shell protection grade is high, adapts to a variety of confessions
Electrically, the severe working environment of mounting condition, receive the multiple sensors signal for coming from irrigated area well scene, pass through
STM32F103 single-chip microcomputer processing datas, the work to irrigated area well is made a response, while real-time online transmits data to LORA
Wireless network.
Claims (10)
- A kind of 1. water conservancy observing and controlling information terminal, it is characterised in that：Including STM32F103 embedded scms, the single-chip microcomputer point Data communication interface, man-machine interface panel, electric parameter Acquisition Circuit, switch interface circuit, analog interface electricity are not connected with Road, clock unit and data storage cell, the switch interface circuit includes DI ports and DO ports, for pump for well Obtained with the state of valve and switch controls.
- 2. water conservancy observing and controlling information terminal according to claim 1, it is characterised in that：The data communication interface includes LORA Communication interface module, RJ45 network interfaces, and RS485 communication interface circuits, for providing the connection of RS485 buses；Also include Jtag interface, for program burn writing.
- 3. water conservancy observing and controlling information terminal according to claim 1, it is characterised in that：The man-machine interface panel includes liquid crystal Display panel, LED operation state instruction and function keyboard, the human-computer dialogue of this terminal to be used for by man-machine interface.
- 4. water conservancy observing and controlling information terminal according to claim 1, it is characterised in that：The switch interface circuit at least connects Connect three DI ports and two DO ports, the DI ports input as passive contact switch amount, for well pump operation with Halted state feedback contact access and the on off state feedback contact access of valve/gate；DO ends are as relay dry contact arteries and veins Punching output, for electrifying startup or central control room control operation pump for well, stop control and the switch control of valve/gate.
- 5. water conservancy observing and controlling information terminal according to claim 1, it is characterised in that：The analog interface circuit at least connects Three AI ports are connected to, the 4-20mA inputs for the input of siphon pressure, flow, and level sensing analog quantity.
- 6. water conservancy observing and controlling information terminal according to claim 1, it is characterised in that：The single-chip microcomputer is additionally provided with humiture Interface, humiture interface are connected to Temperature Humidity Sensor, are inputted for irrigated area well scene Temperature and Humidity.
- 7. water conservancy observing and controlling information terminal according to claim 1, it is characterised in that：The electric parameter Acquisition Circuit, is used for The voltage of detection water pump, electric current, active and reactive, power factor, power consumption, phase sequence, overload, phase shortage, zero-sequence current, efficiency Analysis.
- 8. water conservancy observing and controlling information terminal according to claim 1, it is characterised in that：The clock list of the single-chip microcomputer connection Member, there is provided embedded scm work clock and system time real-time clock.
- 9. a kind of initialization control method of water conservancy observing and controlling information terminal, comprises the following steps：（1）According to the instruction of the main transmission of central control room, its legitimacy is judged, if successfully receiving data, that is, perform long-range survey Control, otherwise performs local observing and controlling；And pending data is waited to return；（2）Order carries out communicating interrupt program and irrigated area well parameter setting interrupt routine successively, and enables；（3）It is successively read all parameters at pump for well scene：DI ports, DO ports, AI ports, humiture port, electric parameter end Mouthful；（4）Order carries out the data acquisition of input port, single-chip microcomputer input refreshes, display processing；（5）Carry out key scan input detection, display and processing；（6）Whether STM32F103 single-chip microcomputers alarm according to system initialization data and port data, automatic decision system, bag Include contact self diagnosis, siphon pressure transfinites；（7）The alarm condition of alarm release previous moment is stored in history data repository, and it can be preserved after alarm release Flag bit state；（8）After eve is not alarmed or alarm release time delay reaches, the output of well pump operation.
- 10. the initialization control method of water conservancy observing and controlling information terminal according to claim 1, it is characterised in that：Step（7） And step（8）Between, set according to present apparatus inner parameter, certain time delay interval detection is had after alarm release, avoids water Well pump frequent starting.
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| CN201711074759.4A CN107608281A (en) | 2017-11-06 | 2017-11-06 | A kind of water conservancy observing and controlling information terminal |
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| CN201711074759.4A CN107608281A (en) | 2017-11-06 | 2017-11-06 | A kind of water conservancy observing and controlling information terminal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109587230A (en) * | 2018-11-23 | 2019-04-05 | 扬州艾默软件技术有限公司 | A kind of Internet of Things remote control terminal and control method |
| CN109785603A (en) * | 2019-02-21 | 2019-05-21 | 福州普贝斯智能科技有限公司 | A kind of RTU system of micro energy lose |
| CN109964793A (en) * | 2019-04-23 | 2019-07-05 | 张家口三生智慧农业科技有限公司 | A kind of hose fed travelling sprinkler machine truss topples over alarm control system and method |
| CN111258616A (en) * | 2020-01-09 | 2020-06-09 | 深圳市东深电子股份有限公司 | Water conservancy RTU acquisition function upgrading method based on LORA communication |
| CN112598850A (en) * | 2020-12-25 | 2021-04-02 | 河南威盛润禾智能科技有限公司 | Irrigation area intelligent NFC charge control flow measurement method and device based on block chain |
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| CN112598850A (en) * | 2020-12-25 | 2021-04-02 | 河南威盛润禾智能科技有限公司 | Irrigation area intelligent NFC charge control flow measurement method and device based on block chain |
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