CN110703660A - Wireless intelligent measurement and control system for sewage pipe network in remote area - Google Patents
Wireless intelligent measurement and control system for sewage pipe network in remote area Download PDFInfo
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- CN110703660A CN110703660A CN201911031858.3A CN201911031858A CN110703660A CN 110703660 A CN110703660 A CN 110703660A CN 201911031858 A CN201911031858 A CN 201911031858A CN 110703660 A CN110703660 A CN 110703660A
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- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
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Abstract
The invention discloses a wireless intelligent measurement and control system for a sewage pipe network in a remote area, which comprises a front-end measurement and control system, a data acquisition system, a signal relay system, a power supply system and a control center system, wherein the front-end measurement and control system is connected with the data acquisition system through a communication cable, the data acquisition system and the signal relay system adopt LoRa wireless communication, and the signal relay system and the control center system adopt LoRa wireless communication. Compared with the prior art, the wireless intelligent measurement and control system for the sewage pipe network in the remote area has the advantages of simple communication, long communication distance, low energy consumption, small investment and convenient networking, only needs one-time investment compared with a wide area network LoRa wireless measurement and control system, has no later-period communication operation cost, is not influenced by a third-party network operator, and the like, and well solves the problems of no wide area network in the remote area, difficult implementation of wired communication and high manual operation maintenance cost.
Description
Technical Field
The invention relates to the technical field of sewage treatment measurement and control, in particular to a wireless intelligent measurement and control system for a sewage pipe network in a remote area.
Background
At present, rural areas, scenic spots, pastures, farms and other remote areas cause increasingly worsened polluted environments, the problems that the remote areas are large in polluted area, sewage treatment facilities are dispersed, a sewage pipe network is far away from a sewage treatment plant, the manual detection and maintenance cost is high and the like mainly exist, the areas in the western regions in China are wide and rare, the situations that communication network signals are poor or no network exists in many remote areas, sewage pipe network measurement and control data cannot be communicated by using a wide area network, the wired network construction difficulty is large, the terrain is complex, and optical cables and cables are difficult to maintain.
The invention is based on the wireless intelligent measurement and control system of loRa, compare the wireless measurement and control system of wide area network loRa and only need once investment, there is no later stage communication operation expense, advantage such as not influenced by third party network operator, compare traditional optical cable transmission have install simple, construction flexibility, advantage such as the later maintenance work is little.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a wireless intelligent measurement and control system for a sewage pipe network in a remote area, which solves the problems that the remote area has no wide area network, the implementation of wired communication is difficult, and the manual operation and maintenance cost is high.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a wireless intelligence system of observing and controling for remote area sewage pipe network, observes and controls system, data acquisition system, signal relay system, electrical power generating system and control center system including the front end, the front end observes and controls the system and is connected with communication cable for the data acquisition system, and the data acquisition system adopts loRa wireless communication with the signal relay system, the signal relay system adopts loRa wireless communication with the control center system, and electrical power generating system, data acquisition system and signal relay system are with the column support installation and be connected, the front end system of observing and controlling includes flow sensor, pressure sensor and the valve controller of sewage pipe network.
Preferably, the front-end measurement and control system and the data acquisition system realize transmission through a 4-20mA or modbus communication protocol and a passive switching value signal.
Preferably, the data acquisition system converts the data measured at the front end into a LoRa private protocol, uploads the LoRa private protocol to the signal relay system, and forwards the LoRa private protocol, the LoRa communication baud rate is 9600bps, and the data bit: 8 bit, stop bit: 1 bit, no effect.
Preferably, the LoRa wireless signals are relayed to the central control system through the signal relay system by a private protocol, the signal relay system receives signals from a plurality of data acquisition systems, and the signal relays and the data acquisition systems adopt transparent transmission and reach the control central system through a nearest path.
Preferably, the control center system receives the signal and uploads the signal to the LoRa high-power router through a ModbusTCP protocol to the PLC system for data reading and processing operation, the processed data is sequentially returned through paths of the LoRa high-power router, the signal relay system, the data acquisition system and the front-end measurement and control system, and finally the front-end equipment executes the data.
Preferably, the data acquisition system comprises data acquisition box, communication antenna, solar photovoltaic board and installing support, the bottom of installing support adopts bolt fixed mounting to observe and control subaerially, and data acquisition box, communication antenna and solar photovoltaic board respectively fixed mounting on the bracket of installing support.
Preferably, the capacity of the solar photovoltaic panel is 20W, and the mounting bracket is made of stainless steel.
Preferably, the data acquisition box is made of engineering plastics, has strong corrosion resistance, is provided with a rain cover, is suitable for outdoor environment installation, and is simple and reliable in wiring because the wiring port of the data acquisition box adopts an aviation plug mode for wiring.
(III) advantageous effects
The invention provides a wireless intelligent measurement and control system for a sewage pipe network in a remote area. Compared with the prior art, the method has the following beneficial effects: the invention relates to a wireless intelligent measurement and control system for a sewage pipe network in a remote area, which comprises a front-end measurement and control system, a pipeline valve, a data acquisition system, a signal relay system, a power system and a control center system, wherein the front-end measurement and control system is used for measuring pipe network data, the pipeline valve is opened and closed, the data acquisition system is used for acquiring and processing the data measured by a sensor, the signal relay system is used for transmitting and relaying LoRa signals, the power system is used for supplying power to the sensor and the data acquisition system, and the control center system is used for receiving and transmitting signals and processing and controlling data. The networking is convenient, compares wide area network loRa wireless measurement and control system and only needs disposable investment, does not have later stage communication operation expense, does not receive advantages such as third party network operator influence, fine solution remote area do not have wide area network, wired communication implement the difficulty and artifical operation maintenance cost is high problem.
Drawings
FIG. 1 is a schematic diagram of the signal transmission organization of the present invention;
fig. 2 is a schematic diagram of the installation of the external structure of the data acquisition system of the present invention.
In the figure, a data acquisition box 1, a communication antenna 2, a solar photovoltaic panel 3 and a mounting bracket 4 are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: a wireless intelligent measurement and control system for a sewage pipe network in a remote area comprises a front-end measurement and control system, a data acquisition system, a signal relay system, a power system and a control center system, wherein the front-end measurement and control system is used for measuring pipe network data, opening and closing of a pipeline valve, the data acquisition system is used for acquiring and processing the data measured by a sensor, the signal relay system is used for transmitting and relaying LoRa signals, the power system is used for supplying power to the sensor and the data acquisition system, the control center system is used for receiving and sending signals and processing and controlling data, the front-end measurement and control system is connected with the data acquisition system through a communication cable, the transmission of the front-end measurement and control system and the data acquisition system is realized through a 4-20mA or modbus communication protocol and a passive switching value signal, the data acquisition system and the signal relay system are in LoRa wireless communication, and the signal relay system and the control center, the data acquisition system is uploaded to signal relay system with the data conversion loRa private protocol of front end measurement to, and is forwardded by signal relay system, and loRa communication baud rate is 9600bps, data bit: 8 bit, stop bit: 1 bit, no test, LoRa wireless signals are relayed to a central control system through a signal relay system by a private protocol, the signal relay system receives signals from a plurality of data acquisition systems, transparent transmission is adopted between each signal relay and the data acquisition system, the signals reach the control central system through a nearest path, the control central system receives the signals, then the signals are uploaded to a PLC system through a ModbusTCP protocol to carry out data reading and processing operation after the signals are received, the processed data are transmitted back through paths of the LoRa high-power router, the signal relay system, the data acquisition system and a front-end measurement and control system in sequence, finally the front-end equipment executes the processing, the power supply system, the data acquisition system and the signal relay system are installed and connected with a stand column bracket, the front-end measurement and control system comprises a flow sensor, a pressure sensor and a valve controller of a sewage pipe network, the flow sensor of the sewage pipe network is used for measuring water flow data of the sewage pipe network, the pressure sensor is used for measuring the water delivery pressure data of the sewage pipe network, and the valve controller is used for controlling the sewage pipe network.
Data acquisition system passes through the data that the sensor was gathered, upload to data acquisition system through the cable, data acquisition system transmits to control center system after changing into the wireless communication agreement based on loRa through the data dress that uploads, the sensor mainly uploads to data acquisition system through 4-20mA or RS485 interface protocol, data acquisition system installs the position near front end measurement and control system, data acquisition system mainly comprises the loRa module, data transmission terminal is a wireless data transmission terminal based on loRa spread spectrum technique, utilize the loRa network to provide wireless data transmission function for the user.
The signal relay system is mainly used for carrying out relay transmission on signals of the data acquisition system, a general sewage pipe network line is long, data acquisition points are dispersed, the acquisition points are far away from a central control room, and the maximum communication distance of LoRa wireless communication is 2-3km, so that the acquisition points far away are subjected to relay transmission by adopting a LoRa relay module, the transmission distance and the reliability are increased, the signal relay system mainly comprises the LoRa relay module, and one signal relay system can carry out relay transmission on a plurality of LoRa data acquisition systems.
The power supply system is difficult to use electricity in remote areas, and conventional power transmission cost is high, so that the power supply is powered by a solar photovoltaic system, the power supply system mainly comprises a solar photovoltaic panel, a solar controller and a battery module and mainly supplies power for a front-end measurement and control system, a data acquisition system and a signal relay system, power supply voltage is supplied by DC12V, and power supply time and capacity meet the 24-hour use requirements of each system.
The control center system mainly comprises signal transceiver module, PLC system and DCS system, signal transceiver module adopts high-power loRa wireless signal receiver, receive the loRa signal and convert modbusTCP agreement PLC into and communicate, PLC handles the operation to all signals, the host computer adopts man-machine interaction software to carry out the manual operation to the signal, the control center system still includes network switch, server and router equipment, realize the interconnection intercommunication of internal and external networks and other relevant systems through synthesizing wiring system.
Data acquisition system is by data acquisition box 1, communication antenna 2, solar photovoltaic board 3 and installing support 4 are constituteed, bolt fixed mounting is adopted in the bottom of installing support 4 to observe and control subaerially, and data acquisition box 1, communication antenna 2 and solar photovoltaic board 3 are fixed mounting respectively on the bracket of installing support 4, 3 capacities of solar photovoltaic board are 20W, and installing support 4 adopts the stainless steel to make, data acquisition box 1 adopts the engineering plastics material to make, corrosion resistance is strong, and set up rain-proof cover, be fit for outdoor environmental installation, 1 wiring mouth of data acquisition box adopts aviation plug mode wiring, the wiring is simple, and is reliable.
To sum up the above
The invention is based on the wireless intelligent measurement and control system of loRa, support the wireless short distance data transmission function of loRa, have the ad hoc network ability to have relay route and terminal equipment function, the network capacity is large, 65000 nodes (typical number 300), send the flexible mode, broadcast sending or target address send the mode to be selectable, the invention has simple communication compared with prior art, the communication distance is far away, consume energy low, invest in small, it is convenient to network deployment, compare the wireless measurement and control system of loRa of wide area network only need invest once, have not later stage communication operation expenses, advantage such as being not influenced by third party's network operator, etc., have no wide area network, wired communication implement difficult and problem that the maintenance cost is high of manual operation well solved the remote area.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a wireless intelligent system of observing and controling for sewage pipe network in remote area which characterized in that: observe and control system, data acquisition system, signal relay system, electrical power generating system and control center system including the front end, the front end observes and controls the communication cable for system and data acquisition system and is connected, and data acquisition system and signal relay system adopt loRa wireless communication, signal relay system and control center system adopt loRa wireless communication, and electrical power generating system, data acquisition system and signal relay system with the column support installation and be connected, the front end observes and controls the flow sensor, pressure sensor and the valve controller that the system includes the sewage pipe network.
2. The system of claim 1, wherein the wireless intelligent measurement and control system is adapted for a sewer network in remote areas, and comprises: the front-end measurement and control system and the data acquisition system realize transmission through a 4-20mA or modbus communication protocol and a passive switching value signal.
3. The system of claim 1, wherein the wireless intelligent measurement and control system is adapted for a sewer network in remote areas, and comprises: the data acquisition system converts the data measured at the front end into an LoRa private protocol and uploads the LoRa private protocol to the signal relay system, the signal relay system forwards the data, the LoRa communication baud rate is 9600bps, and the data bit is: 8 bit, stop bit: 1 bit, no effect.
4. The system of claim 1, wherein the wireless intelligent measurement and control system is adapted for a sewer network in remote areas, and comprises: the LoRa wireless signals are forwarded to the central control system through the signal relay system relays through the private protocol, the signal relay system receives signals from the multiple data acquisition systems, transparent transmission is adopted between each signal relay and the data acquisition system, and the signals reach the control central system through a nearest path.
5. The system of claim 1, wherein the wireless intelligent measurement and control system is adapted for a sewer network in remote areas, and comprises: after receiving the signals, the control center system uploads the signals to the PLC system through a ModbusTCP protocol to perform data reading and processing operation, the processed data are sequentially returned through paths of the LoRa high-power router, the signal relay system, the data acquisition system and the front-end measurement and control system, and finally the front-end equipment executes the data.
6. The system of claim 1, wherein the wireless intelligent measurement and control system is adapted for a sewer network in remote areas, and comprises: the data acquisition system comprises a data acquisition box (1), a communication antenna (2), a solar photovoltaic panel (3) and a mounting bracket (4), the bottom end of the mounting bracket (4) is fixedly mounted on the measurement and control ground through bolts, and the data acquisition box (1), the communication antenna (2) and the solar photovoltaic panel (3) are respectively and fixedly mounted on a bracket of the mounting bracket (4).
7. The system of claim 6, wherein the wireless intelligent measurement and control system is adapted for a sewer network in remote areas, and comprises: the capacity of the solar photovoltaic panel (3) is 20W, and the mounting bracket (4) is made of stainless steel.
8. The system of claim 6, wherein the wireless intelligent measurement and control system is adapted for a sewer network in remote areas, and comprises: the data acquisition box (1) is made of engineering plastics, has strong corrosion resistance, is provided with a rain cover, is suitable for outdoor environment installation, and is simple and reliable in wiring because the wiring port of the data acquisition box (1) adopts an aviation plug mode for wiring.
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| CN201911031858.3A CN110703660A (en) | 2019-10-28 | 2019-10-28 | Wireless intelligent measurement and control system for sewage pipe network in remote area |
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| CN201911031858.3A CN110703660A (en) | 2019-10-28 | 2019-10-28 | Wireless intelligent measurement and control system for sewage pipe network in remote area |
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