CN101717132B - Omnidirectional ultrasonic algae removal float - Google Patents
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- CN101717132B CN101717132B CN2009102135905A CN200910213590A CN101717132B CN 101717132 B CN101717132 B CN 101717132B CN 2009102135905 A CN2009102135905 A CN 2009102135905A CN 200910213590 A CN200910213590 A CN 200910213590A CN 101717132 B CN101717132 B CN 101717132B
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Abstract
本发明公开了一种全向超声波除藻浮子，属无线监控领域。该装置主要包括GPRS模块、射频无线通信模块、处理器控制单元、执行器模块、传感器模块和12V输出电源及36V输出电源，执行器模块包括超声电源及超声波换能器、电动气泵及水下曝气管、步进电机及其驱动器，传感器模块包括气象传感器、多参数水质传感器及藻类传感器，电源主要由太阳能电池板及蓄电池构成。本发明能实时对所测水域的水质进行监测，并将采集的信息经初步处理后通过GPRS或射频通信技术传送给监控中心进行分析，监控中心将处理信号下达回对应节点，节点结合监测结果利用执行器对蓝藻生长进行抑制。本发明布点灵活、监测精度高、监测范围广，除藻方式环保且成本低。
The invention discloses an omnidirectional ultrasonic algae removing float, which belongs to the field of wireless monitoring. The device mainly includes GPRS module, radio frequency wireless communication module, processor control unit, actuator module, sensor module and 12V output power supply and 36V output power supply. The actuator module includes ultrasonic power supply and ultrasonic transducer, electric air pump and underwater exposure. Air pipe, stepping motor and its driver, the sensor module includes weather sensor, multi-parameter water quality sensor and algae sensor, and the power supply is mainly composed of solar panels and batteries. The invention can monitor the water quality of the measured water area in real time, and transmit the collected information to the monitoring center for analysis through GPRS or radio frequency communication technology after preliminary processing, and the monitoring center sends the processing signal back to the corresponding node, and the node combines the monitoring results to use The actuator inhibits the growth of cyanobacteria. The invention has the advantages of flexible point distribution, high monitoring precision, wide monitoring range, environmental protection and low cost of algae removal.
Description
Technical field
The present invention relates to a kind of real time monitoring apparatus, relate in particular to a kind of monitoring and the all-around ultrasonic wave algal removal floater of administering in one that is applied to water environment protection, belong to the wireless monitor field.
Background technology
Along with the expansion of the development of global economy and the effect of human activity, lake eutrophication is on the rise.The water body of eutrophication very easily causes breaking out of blue-green alga bloom, this one of water environmental problems that become international.The breaking out of blue-green alga bloom has periodically, by real-time monitoring and warning and be aided with effective control measure, can prevent that blue-green algae from breeding in a large number, alleviates the harm that it brings.
Studies show that the main environmental conditions that influences blue algae growth is illumination, water temperature, pH value, dissolved oxygen DO, nutrient concentration, wave disturbance etc.In case environment forms, at nutrients and unrestricted initial stage of space scale, algae can enter an exponential growth phase, wawter bloom will be broken out in " overnight " comprehensively, cause unmanageable situation, to such an extent as to the later stage need spend lot of manpower and material resources and salvage cleaning, therefore the real-time for blue algae monitoring early warning and control seems particularly important.
The main at present monitoring mode that adopts has three kinds: artificial field observation, satellite remote sensing monitoring and the monitoring of water quality automatic on-line.Regular artificial on-the-spot vision and sense of taste observation are effectively a kind of and monitoring method intuitively, but monitoring periods is long, and technician's experience is required height; The satellite remote sensing monitoring technology has macroscopic view, dynamic dispatching distinguishing feature, but the procurement cost height of remote sensing images, it is with high content of technology that Treatment Analysis requires, and is applied to large-size lake and reservoir usually; Water quality and meteorologic parameter automatic tester are applied at automatic water quality monitoring station and automatic weather station respectively at present, yet the restriction of the condition of being built a station, usually the two distributing position and density are all inconsistent, cause sampled data can not accurately reflect environmental factor with a slice waters, the impact prediction precision, and because all departments' division of duty difference, obtaining of each parameter proposed high requirement to the cooperation between environmental protection, water conservancy and the meteorological department.
The water environment situation difference in each lake, estimating under blue-green alga bloom genesis mechanism and unclear situation is the comparison difficulty, the predictablity rate that this limitation causes lowly causes breaking out the hysteresis of initial stage early warning issue and the delay of control measure probably, has incured loss through delay Optimal Control period.
Blue-green algae control is the most effective, scientific methods is to adopt ecological management, recovers the self-purification capacity of water body.Complete ecological chain can strengthen the repair ability of water body self: the organic contamination of aquatic animals such as aquatic hygrophyte and fish, shellfish in can not only consume water, can also suppress algal grown.Yet this is a kind of long-term comprehensive improvement, need be based upon external source and pollute controlled and possess on the basis of self-purification capacity, for contaminated water body, its environment has hindered the normal growth of aquatic animals and plants, cause the imperfect of biologic chain, therefore must adopt removal measure.
Sweep-out method for blue-green algae has had a lot of researchs both at home and abroad, mainly contains chemical method, bioanalysis, physics method etc.Wherein chemical method can efficiently remove algae, but the chemical agent that is to use very easily causes secondary pollution to water body, and developed country does not re-use basically now; Bioanalysis easily causes the high hydrophyte excessive multiplication of introduction, and lake biotic population structure, shipping, view etc. are brought adverse effect; Traditional physical method has mechanical removal, filtration, aeration, shading, excavation bed mud etc., needs large-scale plant equipment and experienced operating personnel, wastes time and energy for water body in large.
Ultrasonic algae removal device has obtained successful Application abroad, and correlative study has also been done by domestic part colleges and universities, but does not enter the commercialization stage as yet.Government and environmental administration mainly are devoted to the protection and the improvement of large-size lake and important water head site; and existing ultrasonic algae removal device depends on the supply of electric power; wiring is difficult for, and is subjected to self to move the restriction with effective range, and the blue-green algae that mainly is limited to the small size water body is at present administered.
Existing ultrasonic algae removing device can be divided into fixed and mobile model.The former is many with ultrasonic-frequency power supply and transducer separation, the two signal wire by waterproof connects, and power supply is installed in the land, transducer by mark post or lanyard under water, only can be to the directed irradiation in the fan-shaped waters in the place ahead, the size of the field angle of transducer and acoustical power decision effective irradiation face.In order to enlarge moving range, also there is the people that the ultrasonic algae removal device of the whole series is installed on the spitkit, by the generator powered of cable or boat-carrying, this method depends on long manually-operated, and equipment volume is big, cost is high.
Summary of the invention
The present invention is directed in the background technology defective that monitoring and algae removal technology to blue-green algae exist, and propose a kind of monitoring accuracy height, remove the environmental protection of algae mode and the all-around ultrasonic wave algal removal floater flexibly of layouting.
All-around ultrasonic wave algal removal floater of the present invention, its structure comprises: the GPRS module, the processor control module, radio frequency communications unit, radio-frequency antenna, executor module, sensor assembly, power supply supervisory circuit and power module 1 and power module 2, described executor module comprises ultrasonic-frequency power supply, ultrasonic transducer, electric air pump, aeration tube under water, stepper motor driver and stepper motor, ultrasonic-frequency power supply, the corresponding respectively ultrasonic transducer that is connected of the output terminal of electric air pump and stepper motor driver, the input end of aeration tube and stepper motor under water, wherein: power module 1 is given the GPRS module respectively, radio frequency communications unit, the processor control module, stepper motor driver power supply in sensor assembly and the executor module; The output terminal of power module 2 is leaded up to power supply supervisory circuit and is connected with the input end of processor control module, and ultrasonic-frequency power supply and the electric air pump power supply in the execution module given on another road; Radio-frequency antenna connects radio frequency communications unit, and radio frequency communications unit, GPRS module and sensor assembly all link to each other with the processor control module is two-way; The output terminal of processor control module is connected with the input end of ultrasonic-frequency power supply, electric air pump and stepper motor driver in the executor module respectively; Ultrasonic transducer is connected with stepper motor to finish omnidirectional's rotation.
Design of the present invention combines that radio communication, multi-parameter sensor are integrated, all-around ultrasonic wave algal removal and aeration oxygen replenishing technology, overcome existing blue-green alga bloom monitoring technology monitoring periods long, effective poor, labour intensity big, monitoring waters scope is little, operation cost is high, remove problem such as not environmental protection of algae, specifically beneficial effect is as follows:
1, network capacity is big, and monitored density height, scope are wide.Communication mode based on the GPRS module has utilized ripe, stable public wireless network, can cross over very big physical space, increases the monitored area that covers, and reduces cave or blind area;
2, the short range radio frequency communications module can make system have very strong fault-tolerance and self-healing function for the networking of sensor node provides the support of Physical layer and MAC layer after the networking;
3, the information that obtains from the different spaces visual angle has bigger signal to noise ratio (S/N ratio), and the Information Monitorings a large amount of by distributed treatment can improve monitoring accuracy, reduces the accuracy requirement to the individual node sensor;
4, layout flexibly, need not wiring, the cost of building a station is low, wide adaptability;
5, meteorological, multi-parameter water quality sensor solved traditional measurement method measuring period long, measurement parameter is few, measurement point distributes not first-class problem, has improved promptness, the validity of Monitoring Data, has strengthened accuracy, the reliability of early warning;
6, adopt the ultrasonic algae removing technology, the omnidirectional type design makes the zone of action of transducer break through the restriction of self field angle, does not have the blind area; Device has solved the difficult problem of power supply by solar powered, and the application of green energy resource makes except that the environmental protection more of algae process, need not artificial participation, has reduced operation cost;
7, when removing algae, can utilize ultrasound wave that the underwater sensor probe is cleaned automatically, prolong the serviceable life of probe.
8, aerator has promoted the accelerated decomposition of the blue-green algae cell that killed and water body to recover.
Description of drawings
Fig. 1 is a modular structure block diagram of the present invention.
Fig. 2 is the whole tomograph of the embodiment of the invention, number in the figure title: 1,2,3,4 be solar panel; 5 is outer instrument room; 6 is air velocity transducer; 7 is illuminance transducer; 8 is radio-frequency antenna; 9 is Temperature Humidity Sensor; 10 is annular floating drum; 11 is instrument room in the floating drum; 12 is stepper motor and rotating control assembly; 13 is water quality sensor and algae sensor, and wherein: 13-1 is a sensor probe, and 13-2 is a sound wave baffle-board; 14 is the 36V electric air pump; 15 is the coupling shaft and the water string of motor and transducer; 16 is ultrasonic transducer; 17 is wireway.
Fig. 3 is the principle assumption diagram of stepper motor rotation control mechanism, the number in the figure title: 1 ' is stepper motor; 2 ' for triggering the Metallic rod of rotation control signal; 3 ' is the stepper motor rotating shaft; 4 ' is microswitch; 5 ' is the microswitch output lead.
Fig. 4 is the hierarchy synoptic diagram of embodiment of the invention China and foreign countries instrument room, among the figure: (a) be outer instrument room superstructure synoptic diagram; (b) be outer instrument room middle level structural representation; (c) be outer instrument room understructure synoptic diagram.
Fig. 5 is a workflow synoptic diagram of the present invention.
Embodiment
Module syndeton of the present invention as shown in Figure 1, comprise the GPRS module, the processor control module, radio frequency communications unit, radio-frequency antenna, executor module, sensor assembly, power supply supervisory circuit and power module 1 and power module 2, described executor module comprises ultrasonic-frequency power supply, ultrasonic transducer, electric air pump, aeration tube under water, stepper motor driver and stepper motor, ultrasonic-frequency power supply, the corresponding respectively ultrasonic transducer that is connected of the output terminal of electric air pump and stepper motor driver, the input end of aeration tube and stepper motor under water, wherein: power module 1 is given the GPRS module respectively, radio frequency communications unit, the processor control module, stepper motor driver power supply in sensor assembly and the executor module; The output terminal of power module 2 is leaded up to power supply supervisory circuit and is connected with the input end of processor control module, and ultrasonic-frequency power supply and the electric air pump power supply in the execution module given on another road; Radio-frequency antenna connects radio frequency communications unit, and radio frequency communications unit, GPRS module and sensor assembly all link to each other with the processor control module is two-way; The output terminal of processor control module is connected with the input end of ultrasonic-frequency power supply, electric air pump and stepper motor driver in the executor module respectively; Ultrasonic transducer is connected with stepper motor to finish omnidirectional's rotation.
Below the module application among Fig. 1 is described in detail respectively:
Processor control module among the present invention adopts the CC2430 low-consumption wireless single-chip microcomputer of TI company, and it combines 8051 single-chip microcomputers of the radio frequency 2.4GHz transceiver CC2420 of industry-leading and technical grade, small size, has integrated level height, characteristics low in energy consumption.The IEEE 802.15.4 agreement of transceiver support has adopted the collision-avoidance mechanism of CSMA-CA, simultaneously for to need the communication service of fixed-bandwidth to reserve dedicated time slot, and competition and conflict when having avoided sending data; The MAC layer has adopted the data transmission mechanism of full confirmation, and the packet of each transmission all must be waited for take over party's affirmation information, has strengthened the reliability of radio communication.
CC2430 is a processor control module core, and its 8051 built-in single-chip microcomputers are being undertaken following task: 1) be used to control communicating by letter between radio-frequency communication module, GPRS module and other nodes and Surveillance center; 2) gather the data of meteorological, water quality and algae sensor, and do simple analysis and handle, whether the advanced warning grade of assigning in conjunction with Surveillance center works to actuator and working strength judges simultaneously; 3) two sun-generated electric powers are carried out power management, comprise the monitoring of supply voltage, break-make that the actuator power supply is supplied with and switching ultrasonic, the aerator power supply; 4) to the adjusting of stepper motor rotating speed and the Detection ﹠ Controling of sense of rotation.
Radio frequency communications unit is made up of the CC2420 transceiver in the CC2430 sheet and a small amount of peripheral cell, between it and 8051 single-chip microcomputers by the SPI interface communication, and and radio-frequency antenna constitute short-range wireless communication module jointly.
Be to communicate between GPRS module and 8051 single-chip microcomputers by the RS-232 serial ports, the fastest 115200b/s that reaches of traffic rate.This module and 8051 s' communication protocol is AT Command Set, except serial ports sends (TX), serial ports receives (RX), 8051 with the GPRS module between some hardware handshaking signals in addition, as DTR, CTS, DCD etc.In order to simplify the control of single-chip microcomputer, do not need during hardware design to use whole hardware handshaking signals, (Data Carrier Detect DCD) prepares (Data Terminal Ready, DTR) signal with terminal and only use the data carrier detection.
Sensor assembly comprises meteorological sensor, water quality sensor and algae bio quantity sensor, wherein: meteorological sensor comprises Temperature Humidity Sensor, illuminance transducer and air velocity transducer again, and water quality sensor comprises dissolved oxygen sensor, cooling-water temperature sensor, turbidity transducer, pH value sensor and conductivity sensor again.
For meteorologic parameter, mainly measure humiture, illumination and wind speed and direction.Temperature and humidity measurement adopts the humiture compound sensor of DHT22 digital signal output, and through calibration, the precision of thermometric, hygrometric is respectively 0.1 ℃ and 0.1%RH to this sensor, it with CC2430 between be connected by the unibus mode, it is simple to save port and sequential; Illumination photometry adopts ZD-01 type illumination transmitter, it has adopted also has the silicon blue streak volt detector of higher sensitivity as sensing element to the low light level, intensity of illumination is converted to current signal, be converted to the built-in ADC sampling of the treated device of standard signal of 0～5V again through operational amplifier, be scaled brightness value again, measurement range is 1Lux～20000Lux, and precision is ± 5%; Wind speed and direction is measured and is adopted the FC-5SX wind speed wind direction sensor, the vane of sensor, weathercock are made by high-weatherability, high strength, anticorrosion and waterproof alloy, housing uses almag to be shaped, internal circuit is all handled through spraying three anti-lacquers, adaptability with good adverse environment resistant, it is output as 0～5V voltage signal, by ADC sampling and be converted to the wind speed and direction value, the measuring wind speed scope is 0～50M/S, and the wind direction measurement range is 32 position angles.
The multi-parameter water quality sensor adopts following method to measure the water quality parameter automatically: adopt water proof type DS18B20 digital temperature sensor measuring water temperature; Adopt glass electrode method to measure pH value; Adopt the electrochemical probe method to measure dissolved oxygen DO; Adopt scattering method to measure turbidity; Adopt the electrode method to measure conductivity.
The algae bio quantity sensor adopts fluorometry to measure, algocyan in the blue-green algae can send the fluorescence that wavelength is 650nm after receiving the irradiates light that wavelength is 590nm, send intensity of fluorescence and be directly proportional, measure the content of blue-green algae by measured light intensity indirectly with the quantity of algocyan in the water.
The voltage signal of water quality and algae sensor output is exaggerated in transmitter, through the coprocessor sampling and be converted to the digital signal of corresponding physical quantity, delivers to processor unit by RS-232 interface.Still having certain gap with developed country owing at present domestic aspect the research and development of integrated water quality parameter sensor, consider demand to precision, reliability and serviceable life, adopt the multi-functional probe of HYDROLAB DS5 water quality of U.S. HACH company in an embodiment, it is a portable monitoring instrument, can measure 15 even more parameter simultaneously, because its stability is high, easy to use, is widely used in the water quality monitoring in lake, reservoir, basin and marine site abroad.
The present invention adopts two sun-generated electric powers, gives powerful executor module and low power sensor assembly independently-powered, reduces the phase mutual interference, improves stability.Power module 1 adopts a solar panel to give a charge in batteries, and power supply is output as 12V, and utilizes the DC-DC converter to convert thereof into processor control module, sensor assembly and the required voltage of stepper motor rotation control unit; Power module 2 adopts three solar panels to give three charge in batteries, and output 36V voltage is given Vltrasonic device and the aerator power supply in the executor module, and this module converts the normal voltage that ADC accepts to by power supply supervisory circuit, is monitored by processor.Above-mentioned solar panel all adopts the solar panel of 10W, 18V, and above-mentioned accumulator all adopts the accumulator of 12V, 7.2Ah.
Ultrasonic transducer adopts water proof type power ultrasonic wave transducer under water, output power 10W～20W, and range of effective radiation is 50m～100m, level is immersed in 10～20cm place, underwater.The bindiny mechanism of transducer links to each other with step motor shaft, carries out the adjustable reciprocal omnidirectional rotation of rotating speed under the control of single-chip microcomputer, the angle of rotation by with the motor shaft determining positions that triggers Metallic rod and two groups of microswitches that turns to connected vertically.It is the composite stepper motor of 1.8 degree that motor adopts step angle, operating voltage is 12V, electric current is 0.4A, its subdivision driver adopts the TA8435 design, can synchronizing, half step, 4 segmentation and 8 segmentation work, it enable, direction and three of driving pulses are isolated input end and are directly controlled by the I/O interface of CC2430.
Ultrasonic transducer is driven by ultrasonic-frequency power supply.Ultrasonic-frequency power supply adopts the separated exciting structure, is divided into small-signal module, power amplifier module, impedance matching module and feedback control network module four parts.Because the difference of alga cells structure, its effect that shows under the ultrasound wave effect of different frequency are also different, the frequency of ultrasonic scope that adopts is 20～150kHz usually.The separated exciting structure is compared the auto-excitation type power amplifier and is had that module is clearly demarcated, the characteristics of signal cascade, can change the frequency bandwidth of power source by removable parts transformer and inductance.The small-signal module is a core with a slice ATmega-8L single-chip microcomputer, utilize the variable PWM waveform of timer internal output frequency and dutycycle, its frequency is the resonance frequency of transducer, dutycycle has reflected the size of average output power, promptly adopt PDM (impulse ratio modulation) method control output power, this PWM waveform is amplified by a slice TPS2811 and output two-way inversion signal, through the switch of MOSFET pipe IRF840 in the isolating transformer coupling rear drive full bridge inverter.Inverter circuit provides 36V direct current supply by accumulator, and the two-way inversion signal of amplification output is in the stack of the primary coil place of impedance-matching transformer and be coupled to secondary coil, passes through the coupling inductive transmission of series connection at last to transducer.
The output voltage of 36V power supply and size of current are the electric power that ultrasonic-frequency power supply consumes, output power maximum when transducer works in resonant condition.ATmega-8L detects output current as feedback signal by the current transformer of 1A, can realize that the frequency sweep search and the dynamic frequency of transducer resonance frequency followed the tracks of, to improve the efficient in ultrasonic power source.The work duration of Vltrasonic device is realized regularly that by ATmega-8L parameter obtains from primary processor CC2430 by the SPI interface.
Electric air pump in the aerator is by the 36V storage battery power supply, and the wireway in logical water is down supplied gas, and wireway and water body have bigger contact area, and top many groups jack is installed the aeration head that has flexible pipe, and the length of aeration flexible pipe is selected according to the depth of water body.
Ultrasonic and aerator is not worked simultaneously, and duty is controlled by the dpdt relay in the processor control module.
The one-piece construction of the embodiment of the invention as shown in Figure 2.When implementing, by annular floating drum 10 whole device support is floated on the water surface, above water comprises solar panel 1～4 and outer instrument room 5, underwater portion comprises wireway 17, water quality and algae sensor 13 and ultrasonic transducer 16.
Solar panel has four, is the cruciform horizontal positioned, guarantees can receive from each angle the irradiation of the sun.The square that four minor faces of four cell panels surround is the top of outer instrument room 5, the radio-frequency antenna 8 that air velocity transducer 6 and illuminance transducer 7 is installed on it and is used for radio communication, above-mentioned three kinds of devices do not block mutually, and higher ground clearance can make communication distance farther, and the junction sealing of outer instrument room 5 top layer cover plates and three kinds of devices is with water-impervious.It under three kinds of devices the processor control module, a side of instrument room 5 bulkheads is equipped with Temperature Humidity Sensor 9 outside close, the bulkhead of being close to this sensor, promptly the bulkhead center has pore under solar panel 2, so that Temperature Humidity Sensor 9 is not drenched by sunlight direct projection and rainwater when the humidity of measuring outside air and temperature.Three kinds of meteorological sensors and radio-frequency communication module are directly by the I/O interface control of processor.
Annular floating drum 10 is made of the compound substance of hollow or solid rubber (as the doughnut of inflation), highstrenghtpiston or lightweight.In the nested inside of ring instrument room 11 columniform in, there is the outer ring upper edge of this instrument room, its diameter is greater than the internal diameter of annular floating drum 10, not therefrom landing of instrument room 11 in guaranteeing is distributed with screw and the osculum that is used to install cover plate all around in above-mentioned outer ring.On the cover plate of instrument room 11, the junction sealed with waterproof anti-corrosion in outer instrument room 5 was fixed in, and the center drilling of cover plate passes through for lead.Instrument room 11 inside are equipped with stepper motor and rotating control assembly 12, multi-parameter water quality and algae sensor 13 and 36V electric air pump 14 in the floating drum.Be the principle assumption diagram of stepper motor rotation control mechanism as shown in Figure 3,1 ' center of being fixed in the cabin body down of stepper motor, stepper motor rotating shaft 3 ' is concentric with the circle of bottom surface, and links to each other by shaft coupling with the connecting link of ultrasonic transducer 16.The signal wire of transducer 16 and connecting link pass in the water string with interior instrument room 11 base plate sealed attachment, and it is required that the length that signal wire is reserved guarantees to revolve three-sixth turn.The instrument below deck equipment put the balance that will guarantee whole buoyancy aid, promptly the buoyancy aid center line overlaps with center of gravity line, in case of necessity can be in cabin internal fixation mass, not run-off the straight when device is bubbled through the water column.
Multi-parameter water quality and algae sensor 13 have comprised the transmitter in sensor probe 13-1, underwater sound wave reflecting plate 13-2 and the instrument room.Since ultrasonic transducer 16 be installed in instrument room 11 under, can be rotated, and the concentrated side that is positioned at of sensor probe 13-1, for each angle that makes sensor probe 13-1 can receive irradiation, sound wave baffle-board 13-2 has been installed in the outside in transducer and probe axis direction, and the ultrasound wave of reflection makes the outside surface of probe also obtain cleaning.
Aerator by 36V direct current air pump 14, under water wireway 17 and organize aeration flexible pipe and aeration head constitutes more.The wireway 17 that has the flexible pipe connecting hole adopts pvc pipe to be made into square " C " type, and four summits are connected the water pipe of atresia by coupling bend with threeway, and is fixed in the bottom of interior instrument room 11.In four point of fixity, starting point is an air intake opening, links to each other with electric air pump 14, and its excess-three mouth all seals.When this device was placed on land, wireway 17 played the effect of support, and its height will be higher than the height of sensor probe 13-1, reflecting plate 13-2 and transducer 16.
In Fig. 3, Metallic rod 2 ' of vertical fixing is gone up in the rotating shaft 3 ' of stepper motor 1 ', and oppositely fixing a pair of microswitch 4 ' on the same vertical height in Metallic rod 2 ' sweep range, when rotating counterclockwise this angle, triggers machine shaft 3 ' inboard switch, microswitch output lead 5 ' is connected, export a switching value, processor is that control step motor 1 ' turns to, and vice versa.
Fig. 4 is the hierarchy synoptic diagram of embodiment of the invention China and foreign countries instrument room.The upper, middle and lower-ranking of (a) and (b), (c) respectively corresponding outer instrument room 5, three layers are adopted dividing plate to separate, and wire guide is left at the dividing plate center, and the module of each layer is fixed on position as shown in the figure.In the upper strata: 5-1-1 is a 12V rechargeable solar battery controller, and 5-1-2 is a processor unit, and 5-1-3 is a 36V rechargeable solar battery controller, and 5-1-4 is a stepper motor driver; The middle level is for being battery flat, and four 12V accumulators are respectively 5-2-1 to 5-2-4, and wherein accumulator 5-2-2 connects with 5-2-3 and 5-2-4 and constitutes the 36V power supply, with three solar panels of connecting and the supporting use of charge controller 5-1-3; Accumulator 5-2-1 separately with a solar panel and the supporting formation of charge controller 5-1-1 12V power supply; Ultrasonic-frequency power supply is laid by lower floor, and wherein: 5-3-1 is a ultrasonic-frequency power supply small-signal plate, and 5-3-2 is the ultrasonic-frequency power supply power board, and 5-3-3 is the ultrasonic-frequency power supply impedance matching module, and 5-3-4 is ultrasonic-frequency power supply output interface and feedback control network module.
Figure 5 shows that workflow diagram of the present invention.After device powers on and starts working, at first serial ports, timer, interruption, radio-frequency module etc. are carried out initialization, select suitable baud rate, timing wake-up cycle and communication channel, trial and Surveillance center connect then, successful connection rear center adds monitor network with this node apparatus, node is worked by the mode of this locality timing and external inquiry, and when not having above-mentioned Event triggered to interrupt, processor unit enters idle condition to reduce power consumption; If detect down trigger, then judge interrupt type; If local timing interrupts, then at first judge whether the algae task of removing carried out, whether task is finished: finish the biomass that then detects algae, judge whether to need to continue algae removal; Do not finish, then actuator works on; When detecting the instruction that Surveillance center sends, carry out removing algae or sensor accordingly according to instruction type and read and data transmission work.
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| NL2005488C2 (en) * | 2010-10-08 | 2012-04-11 | Stichting Wetsus Ct Excellence Sustainable Water Technology | WIRELESS SOUND SOURCE, DEVICE AND METHOD FOR DISINFECTING A FLUID. |
| CN102243202A (en) * | 2011-04-06 | 2011-11-16 | 无锡同春新能源科技有限公司 | Water quality monitoring device for power supply from solar photovoltaic power generation system to water quality sensor |
| CN102288591B (en) * | 2011-08-31 | 2013-11-06 | 上海泽泉科技有限公司 | System for remotely and wirelessly monitoring plant chlorophyll fluorescence |
| NL2007561C2 (en) | 2011-10-10 | 2013-04-11 | Lg Sound B V | A system and method for predicting, monitoring, preventing and controlling algae in open water. |
| CN102890142B (en) * | 2012-09-20 | 2015-08-12 | 华东理工大学 | Based on the online monitoring lake water quality system of Internet of Things |
| CN105911239A (en) * | 2016-04-15 | 2016-08-31 | 中环清新人工环境工程技术(北京)有限责任公司 | PH detection device with wireless communication function |
| US11299406B2 (en) | 2016-05-03 | 2022-04-12 | Antonio Davido Trigiani | Algae and biofilm control by mimicking turbulence |
| KR102454500B1 (en) * | 2016-05-03 | 2022-10-14 | 안토니오 트리기아니 | Ultrasonic Bird Control |
| CN106168619B (en) * | 2016-08-25 | 2019-06-28 | 深圳市绿恩环保技术有限公司 | Five parameter water quality on-line monitoring instruments |
| CN106365333A (en) * | 2016-12-07 | 2017-02-01 | 南京领先环保技术股份有限公司 | Multifunctional full-automatic solar water treatment device and method |
| CN107323624A (en) * | 2017-07-18 | 2017-11-07 | 杭州耀恩环保科技有限公司 | River water quality online monitoring data transmitter |
| CN107628670B (en) * | 2017-11-13 | 2020-09-08 | 哈尔滨工业大学 | Algae inhibiting and algae removing ultrasonic device and method for slow flow area of water delivery open channel |
| CN108254519A (en) * | 2018-01-02 | 2018-07-06 | 上海海洋大学 | The protective device of underwater sensor |
| CN110057992A (en) * | 2019-04-20 | 2019-07-26 | 天津江河弘元环境技术研究有限公司 | A kind of visualization water quality monitoring removes algae system and method |
| CN110491099B (en) * | 2019-09-03 | 2024-04-05 | 河海大学 | Intelligent monitoring and early warning system suitable for hydraulic flushing process and operation method thereof |
| CN110926531A (en) * | 2019-11-28 | 2020-03-27 | 江苏迦楠环境科技有限公司 | Centralized one-machine multi-measurement pollution source monitoring system |
| CN111516840B (en) * | 2019-11-29 | 2024-10-22 | 上海海洋大学 | Multifunctional cleaning bionic robot fish for factory culture area |
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