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CN102360196A - Intelligent farmland water-saving irrigation system based on frequency modulation constant pressure control - Google Patents

Intelligent farmland water-saving irrigation system based on frequency modulation constant pressure control Download PDF

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Publication number
CN102360196A
CN102360196A CN2011102491038A CN201110249103A CN102360196A CN 102360196 A CN102360196 A CN 102360196A CN 2011102491038 A CN2011102491038 A CN 2011102491038A CN 201110249103 A CN201110249103 A CN 201110249103A CN 102360196 A CN102360196 A CN 102360196A
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China
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module
water
frequency modulation
irrigation system
system based
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CN2011102491038A
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Chinese (zh)
Inventor
刘明辉
葛龙
李强
陶宇君
吕广强
张琪
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CHANGSHU WATER CONSERVANCY TECHNOLOGY PROMOTION STATION
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CHANGSHU WATER CONSERVANCY TECHNOLOGY PROMOTION STATION
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Priority to CN2011102491038A priority Critical patent/CN102360196A/en
Publication of CN102360196A publication Critical patent/CN102360196A/en
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Abstract

The invention discloses an intelligent farmland water-saving irrigation system based on frequency modulation control, which reaches the objectives of applying water as required and saving water by fulfilling the intelligent control of water for irrigation via an intelligent control system for frequency modulation and constant pressure. In the invention, video signals are optimally encoded and decoded; no-blockage information transmission is fulfilled through a wireless transmission mode; and a remote management center receives the video signals so as to timely monitor, protect and manage the irrigation system.

Description

Farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage
Technical field
The present invention relates to a kind of farmland water-saving irrigation system, particularly a kind of farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage.
Background technology
Along with further developing of Chinese national economy, society, the strategic status of water resource becomes more and more important.The development water-saving irrigation has become the strategic choice of alleviating China's water scarcity contradiction.Though the south China area is in land flooded with water; Freshwater resources are abundant, but in recent years because industrial development is swift and violent, show the contradiction day of shortage of water resources outstanding; Because the light prime of life labour in rural area shifts with the tertiary industry to second in a large number, the hypodynamic problem of rural labor manifests gradually simultaneously.In order to solve rural area employed population deficiency, to alleviate the labor load of rural area employed population and the contradiction of shortage of water resources; Consider from the angle of sustainable development; Development water-saving irrigation, raising water use efficiency, it is imperative that field irrigation was changed to intensive style by former extensive style.
Because the farmland area coverage of China's southern area is big, the dispersion relatively that distributes, therefore control and the management for field irrigation is a comparatively numerous and diverse systems engineering.Particularly for the promotion and application of water-saving irrigation complex control system, feasible management for the farmland water-saving control system also becomes the requisite ring of total system engineering.Therefore intelligentized farm irrigation system is the effective means that solves the water-saving irrigation system that website is numerous, distribution range is big.
Summary of the invention
Technical matters to be solved by this invention provides a kind of farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage, realizes the frequency modulation constant pressure water supply through the PID Based Intelligent Control, reaches water-saving purpose.
In order to solve above-mentioned technical matters; Technical scheme of the present invention is: a kind of farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage; It comprises varying speed and constant pressure feed water main system, video optimized coding/decoding module, wireless-transmission network and configuration monitoring device; Said varying speed and constant pressure feed water main system is connected with the configuration monitoring device through wireless-transmission network; Send the relevant parameter that is provided with and monitors to the configuration monitoring device, said video optimized coding/decoding module is connected with the configuration monitoring device through wireless-transmission network, and the video signal transmission that collects is arrived the configuration monitoring device.
Said varying speed and constant pressure feed water main system comprises pressure transducer, PLC control module, A/D module, frequency converter, circuit handover module and water pump; Pressure transducer is connected with the PLC control module through the A/D module; First output terminal of PLC control module directly is connected with the circuit handover module; Second output terminal of PLC control module is connected with the circuit handover module through frequency converter, and the output terminal of circuit handover module is connected with water pump.
Said wireless-transmission network comprises DTU, PTU and Wi-Fi, and said DTU, PTU are connected with Wi-Fi respectively, and the PLC control module is transferred to Wi-Fi with signal through DTU, and vision signal is transferred to Wi-Fi through PTU.
Said vision signal is transferred to wireless network through concentric cable and PTU, and the signal of said PLC control module is given DTU through the R232 protocol transmission, and DTU is transferred to wireless network with signal.
Said video optimized coding/decoding module comprises camera and encoding and decoding controller, and camera is accomplished collection of video signal, and the encoding and decoding controller is accomplished Video signal processing.
Said configuration monitoring device comprises ADSL Modem, data server, video server, workstation, monitor and acousto-optic alarm module; Data server, video server, workstation are connected with ADSL Modem respectively; Be connected with extraneous networking through ADSL Modem; Video server is connected with monitor, sound and light alarm module, and relevant information is presented on the display.
The configuration management system realizes demonstration and the management to water-saving irrigation system and vision signal.Get into the Internet network through wireless network, parameter and the vision signal of PLC is sent to data server, workstation and video server respectively, realize water-saving irrigation system monitoring and setting via ADSL Modem; Video server shows vision signal simultaneously through monitor, the sound and light alarm of being correlated with simultaneously.
The configuration monitoring device is accomplished vision signal that wireless transmission is obtained and various parameter and is formed friendly interface with form very intuitively, can realize the management and the control of many areas, many pumping plants very easily.
Advantage of the present invention is:
1) the intellectuality control through PID realizes the frequency modulation constant voltage control to irrigation water, really reaches the purpose that supplies water as required, thereby realizes using water wisely.
2) the frequency modulation control system of invariable pressure is connected with wireless transport module through serial communication interface, through wireless-transmission network; The final realization and the message exchange of management centre computer accomplished remote real-time monitor and control to the water-saving irrigation system running status, accomplishes the setting of various parameters; The remote detection of the various faults of realization system; Send information to administrative center, and produce sound and light alarm, realize the intellectuality of water-saving irrigation system.
3) coding/decoding system through optimizing inserts wireless-transmission network with vision signal, realizes the video monitor to the farmland water-saving irrigation system.In local store video information, when detecting intrusion event, send video information and alerting signal through Internet of Things to administrative center immediately at ordinary times, make anomalous event can obtain fast processing.Also can pass through network, can operate, realize withdrawing a garrison and deploying troops on garrison duty, realize the safe operation of system video equipment.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is a farmland water-saving intelligent irrigation system architecture diagram of the present invention.
Fig. 2 is a varying speed and constant pressure feed water main system structured flowchart of the present invention.
Fig. 3 is the wireless-transmission network synoptic diagram.
Fig. 4 is a configuration configuration monitoring structure drawing of device.
Embodiment
As shown in Figure 1; Farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage comprises varying speed and constant pressure feed water main system, video optimized coding/decoding module, wireless-transmission network and configuration monitoring device; Said varying speed and constant pressure feed water main system is connected with the configuration monitoring device through wireless-transmission network; Send the relevant parameter that is provided with and monitors to the configuration monitoring device; Said video optimized coding/decoding module is connected with the configuration monitoring device through wireless-transmission network, and the video signal transmission that collects is arrived the configuration monitoring device.
As shown in Figure 2; The varying speed and constant pressure feed water main system comprises pressure transducer, PLC control module, A/D module, frequency converter, circuit handover module and water pump; Pressure transducer is connected with the PLC control module through the A/D module; First output terminal of PLC control module directly is connected with the circuit handover module, and second output terminal of PLC control module is connected with the circuit handover module through frequency converter, and the output terminal of circuit handover module is connected with water pump.
The varying speed and constant pressure feed water main system is transferred to PLC control module and frequency converter through the A/D module with the signal of pressure transducer, realizes the control of water pump frequency and hydraulic pressure, the intelligence of 3 water pumps is switched the function of realization frequency modulation constant voltage through the PLC control module.The signal that is about to pressure transducer is compared with setting value, and through PLC control module and frequency converter self-regulation motor rotating speed, the control water pump water outlet to reach the control of fixed-voltage altering-current amount, is realized using water wisely as criterion.
As shown in Figure 3, said wireless-transmission network comprises DTU, PTU and Wi-Fi, and said DTU, PTU are connected with Wi-Fi respectively, and the PLC control module is transferred to Wi-Fi with signal through DTU, and vision signal is transferred to Wi-Fi through PTU.
Said vision signal is transferred to wireless network through concentric cable and PTU, and the signal of said PLC control module is given DTU through the R232 protocol transmission, and DTU is transferred to wireless network with signal.
Video optimized coding/decoding module is accomplished collection of video signal and processing by camera and encoding and decoding controller, handles through optimizing encoding and decoding, so that realize wireless transmission.The long-distance transmissions of the vision signal that this locality is gathered is accomplished at the wireless transmission networking, and signal is carried out encoding and decoding and processing at the configuration monitoring device.
Said video optimized coding/decoding module comprises camera and encoding and decoding controller, and camera is accomplished collection of video signal, and the encoding and decoding controller is accomplished Video signal processing.
As shown in Figure 4; Said configuration monitoring device comprises ADSL Modem, data server, video server, workstation, monitor and acousto-optic alarm module; Data server, video server, workstation are connected with ADSL Modem respectively; Be connected with extraneous networking through ADSL Modem, video server is connected with monitor, sound and light alarm module, and relevant information is presented on the display.
The configuration management system realizes demonstration and the management to water-saving irrigation system and vision signal.Get into the Internet network through wireless network, parameter and the vision signal of PLC is sent to data server, workstation and video server respectively, realize water-saving irrigation system monitoring and setting via ADSL Modem; Video server shows vision signal simultaneously through monitor, the sound and light alarm of being correlated with simultaneously.The configuration monitoring device is accomplished vision signal that wireless transmission is obtained and various parameter and is formed friendly interface with form very intuitively, can realize the management and the control of many areas, many pumping plants very easily.
The foregoing description does not limit the present invention in any way, and every employing is equal to the technical scheme that replacement or the mode of equivalent transformation obtain and all drops in protection scope of the present invention.

Claims (6)

1. farmland water-saving intelligent irrigation system based on frequency modulation constant voltage control; It is characterized in that comprising varying speed and constant pressure feed water main system, video optimized coding/decoding module, wireless-transmission network and configuration monitoring device; Said varying speed and constant pressure feed water main system is connected with the configuration monitoring device through wireless-transmission network; Send the relevant parameter that is provided with and monitors to the configuration monitoring device; Said video optimized coding/decoding module is connected with the configuration monitoring device through wireless-transmission network, and the video signal transmission that collects is arrived the configuration monitoring device.
2. the farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage according to claim 1; It is characterized in that: said varying speed and constant pressure feed water main system comprises pressure transducer, PLC control module, A/D module, frequency converter, circuit handover module and water pump; Pressure transducer is connected with the PLC control module through the A/D module; First output terminal of PLC control module directly is connected with the circuit handover module; Second output terminal of PLC control module is connected with the circuit handover module through frequency converter, and the output terminal of circuit handover module is connected with water pump.
3. the farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage according to claim 2; It is characterized in that: said wireless-transmission network comprises DTU, PTU and Wi-Fi; Said DTU, PTU are connected with Wi-Fi respectively; The PLC control module is transferred to Wi-Fi with signal through DTU, and vision signal is transferred to Wi-Fi through PTU.
4. the farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage according to claim 3; It is characterized in that: said vision signal is transferred to wireless network through concentric cable and PTU; The signal of said PLC control module is given DTU through the R232 protocol transmission, and DTU is transferred to wireless network with signal.
5. the farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage according to claim 1; It is characterized in that: said video optimized coding/decoding module comprises camera and encoding and decoding controller; Camera is accomplished collection of video signal, and the encoding and decoding controller is accomplished Video signal processing.
6. the farmland water-saving intelligent irrigation system based on the control of frequency modulation constant voltage according to claim 1; It is characterized in that: said configuration monitoring device comprises ADSL Modem, data server, video server, workstation, monitor and acousto-optic alarm module; Data server, video server, workstation are connected with ADSL Modem respectively; Be connected with extraneous networking through ADSL Modem; Video server is connected with monitor, sound and light alarm module, and relevant information is presented on the display.
CN2011102491038A 2011-08-26 2011-08-26 Intelligent farmland water-saving irrigation system based on frequency modulation constant pressure control Pending CN102360196A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103053385A (en) * 2013-01-10 2013-04-24 中国水利水电科学研究院 Mobile multifunctional constant-pressure irrigation fertilizer distributor and irrigation and fertilizer distribution method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090150001A1 (en) * 2007-12-05 2009-06-11 Daniel Joseph Fekete System and method for wireless irrigation utilizing a centralized control server and field module matrix
CN201928757U (en) * 2010-12-10 2011-08-17 南京理工大学 GPRS wireless transmission network based intelligent monitoring system for water-saving irrigation of farmland

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090150001A1 (en) * 2007-12-05 2009-06-11 Daniel Joseph Fekete System and method for wireless irrigation utilizing a centralized control server and field module matrix
CN201928757U (en) * 2010-12-10 2011-08-17 南京理工大学 GPRS wireless transmission network based intelligent monitoring system for water-saving irrigation of farmland

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103053385A (en) * 2013-01-10 2013-04-24 中国水利水电科学研究院 Mobile multifunctional constant-pressure irrigation fertilizer distributor and irrigation and fertilizer distribution method thereof

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Application publication date: 20120222