CN103498757A - Marine energy resource generation monitoring device - Google Patents
Marine energy resource generation monitoring device Download PDFInfo
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- CN103498757A CN103498757A CN201310475831.XA CN201310475831A CN103498757A CN 103498757 A CN103498757 A CN 103498757A CN 201310475831 A CN201310475831 A CN 201310475831A CN 103498757 A CN103498757 A CN 103498757A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a marine energy resource generation monitoring device. The marine energy resource generation monitoring device comprises a generator and electricity processing module and a detection module, wherein the generator and electricity processing module comprises a direct drive type sea wave generator, an electricity output end of the direct drive type sea wave generator is connected to an input end of a rectifier, an output end of the rectifier is divided to two paths, one path is connected to a charger through a relay I, the charger is connected to a storage battery through a relay 2, the storage battery is connected to an inverter/converter through a relay 3, and the other path is connected to a discharging resistor through a relay 4. The detection module comprises a voltage current signal sampling unit, a fault analysis processing module, a wave recording storage unit and a relay set control unit, and the electricity needed by the detection module is provided by the direct drive type sea wave generator. According to the marine energy resource generation monitoring device, when small faults occur, a wave recoding and feedback alarming method is adopted, and when large faults occur, a direct cutting-off loop, wave recording and alarming method is adopted, so that a control operator can judge the faults and deals with the faults according to the wave shapes of points of a system.
Description
Technical field
The present invention relates to a kind of generation of electricity by new energy and monitoring system, relate in particular to a kind of generating monitoring apparatus that the straight line type ocean wave generator is energy conversion device of take.
Background technique
Ocean occupied earth surface long-pending 70%, not only have resources such as abundant aquatic products, oil, rock gas, more containing huge, clean, reproducible, novel marine energy.Ocean wave energy is ubiquitous in ocean, and is subject to the time restriction less, and the energy flux density maximum of wave energy, can provide by less device the considerable cheap energy simultaneously.
At present, sea energy generation has various ways, Wave power generation device based on rotary generator needs the transmission devices such as gear shaft that its efficiency is had a greatly reduced quality due to it, and the linear electric generator of directly driving type can be directly just electric energy by the kinetic transformation of wave without unnecessary driving mechanism, efficiency improves a lot.The directly driving type Wave power generation device can be marine monitoring equipment, the offshore set-ups such as navigation mark light provide electric energy endlessly, traditional marine monitoring equipment all is equipped with jumbo storage battery, adopt photovoltaic generating system that electric energy is provided, but photovoltaic panel can't be generated electricity and make the photovoltaic space of a whole page amass the situation that all needs to leave very large surplus reply light intensity deficiency on daytime with capacity of battery at night.Utilize wind energy power also to be subject to the restriction of wind-force size.Because sea wave energy is not subject to time restriction, make the power supply system stand-by cost greatly reduce.Sea situation is very complicated and have inconvenient traffic in addition, and the malfunction elimination of ocean wave generator is become to very difficult.
Summary of the invention
Goal of the invention: in order to overcome existing navigation mark light, the deficiency of oceanographic data monitoring device in power supply system usefulness and equipment condition monitoring, the invention provides a kind of marine energy generating monitoring apparatus, take the straight line type ocean wave generator as energy conversion device, and can be monitored the running state of generator.
Technological scheme: for achieving the above object, the technical solution used in the present invention is:
A kind of marine energy generating monitoring apparatus, comprise generator and electric energy puocessing module and testing module;
Described generator and electric energy puocessing module comprise the directly driving type ocean wave generator, the input end of the electric energy output end access rectifier of described directly driving type ocean wave generator, the output terminal of described rectifier is divided into two-way: a road is through the input end of relay 1 access charger, the output terminal of charger is through the input end of relay 2 access storage batteries, and the output terminal of storage battery is through the input end of relay 3 access inverter/converter; Another road is through relay 4 access bleeders; Its repeat circuit 1, relay 2 and relay 3 are normally off, and relay 4 is normally open;
Described testing module comprises voltage and current signal sampling unit, fault analysis and handling unit, record ripple storage unit and relay group control unit, the input end of the collection signal access fault analysis and handling unit of described voltage and current signal sampling unit, the output terminal access record ripple storage unit of fault analysis and handling unit and the control end of relay group control unit;
Described voltage and current signal sampling unit comprises the three-phase voltage current detection unit, the DC bus-bar voltage current detecting unit, charger output detections unit and storage battery output detections unit, the testing signal of described three-phase voltage current detection unit is taken from the output port of directly driving type ocean wave generator, the testing signal of described DC bus-bar voltage current detecting unit is taken from the DC bus place after rectification, the testing signal of described charger output detections unit is taken from the charger output port, the testing signal of described storage battery output detections unit is taken from the accumulator output end mouth, the record ripple location point of described record ripple storage unit is corresponding with the signal acquisition point position of voltage and current signal sampling unit, described relay group control unit is controlled the state of relay 1, relay 2, relay 3 and relay 4.
Preferably, also comprise remote control center, described remote control center intercoms mutually by between GPRS network and testing module, and the required electric energy of described remote control center is provided by the directly driving type ocean wave generator, does not need other external power supplys.
Concrete, described remote control center comprises that real-time status checks unit, fault alarm unit and parameter regulon.
Preferably, the required electric energy of described testing module is provided by the directly driving type ocean wave generator, does not need other external power supplys.
Preferably, described voltage and current signal sampling unit is used the Hall voltage current sensor to carry out signals collecting.
Preferably, store two groups of adjustable predefined values in described testing module, early warning value and the limiting value of the electric current and voltage that wherein one group of predefined value is each signal acquisition point, the voltage upper lower limit value that another group predefined value is storage battery.
Concrete, described voltage and current signal sampling unit sends to the fault analysis and handling unit by testing signal, whether the fault analysis and handling unit over-voltage and over-current phenomenon occurs according to the relevant position that relatively judges of sampled value and predefined value, if the over-voltage and over-current phenomenon occurs, drive record ripple storage unit to be recorded ripple to relevant position, and drive relay group control unit to be adjusted the state of relay.
Concrete, the working procedure of described fault analysis and handling unit is:
When DC bus-bar voltage surpasses its early warning value, drive record ripple storage unit to be recorded ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously;
When DC bus-bar voltage surpasses its limiting value, drive record ripple storage unit to be recorded ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously, if after electric discharge still the value of overstepping the extreme limit drive relay group control unit block system relay 4;
When the storage battery overvoltage, drive relay group control unit block system relay 2; When storage battery is under-voltage, drive relay group control unit block system relay 3.
Beneficial effect: marine energy generating monitoring apparatus provided by the invention, overcome that photovoltaic panel can't be generated electricity night and wind-driven generator is subject to the disadvantage of weather effect, simultaneously simple than rotary ocean wave generator mechanical structure, loss is little, and efficiency is high, and the life-span is long; The monitoring puocessing module adopts glitch record ripple passback warning, and major break down adopts the vertical cut cut-off loop, record ripple the mode of reporting to the police, system each point waveform failure judgement and then got rid of while making the control personnel to occur according to fault; Control centre can, according to effector's real-time rendering voltage and current waveform, contribute to the technician better to check the generator operation situation.
The accompanying drawing explanation
Fig. 1 is basic structure schematic diagram of the present invention;
Fig. 2 is structural representation of the present invention when having distant place control centre concurrently;
The software flow pattern that Fig. 3 is remote control center;
Fig. 4 is mounting structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Be a kind of marine energy generating monitoring apparatus as shown in Figure 1 and Figure 2, comprise generator and electric energy puocessing module, testing module and remote control center; Described remote control center intercoms mutually by between GPRS network and testing module.
Described generator and electric energy puocessing module comprise the directly driving type ocean wave generator, the input end of the electric energy output end access rectifier of described directly driving type ocean wave generator, the output terminal of described rectifier is divided into two-way: a road is through the input end of relay 1 access charger, the output terminal of charger is through the input end of relay 2 access storage batteries, and the output terminal of storage battery is through the input end of relay 3 access inverter/converter; Another road is through relay 4 access bleeders; Its repeat circuit 1, relay 2 and relay 3 are normally off, and relay 4 is normally open.
Described testing module comprises voltage and current signal sampling unit, fault analysis and handling unit, record ripple storage unit and relay group control unit, the input end of the collection signal access fault analysis and handling unit of described voltage and current signal sampling unit, the output terminal access record ripple storage unit of fault analysis and handling unit and the control end of relay group control unit; Described voltage and current signal sampling unit is used the Hall voltage current sensor to carry out signals collecting.
Described voltage and current signal sampling unit comprises the three-phase voltage current detection unit, the DC bus-bar voltage current detecting unit, charger output detections unit and storage battery output detections unit, the testing signal of described three-phase voltage current detection unit is taken from the output port of directly driving type ocean wave generator, the testing signal of described DC bus-bar voltage current detecting unit is taken from the DC bus place after rectification, the testing signal of described charger output detections unit is taken from the charger output port, the testing signal of described storage battery output detections unit is taken from the accumulator output end mouth, the record ripple location point of described record ripple storage unit is corresponding with the signal acquisition point position of voltage and current signal sampling unit, described relay group control unit is controlled the state of relay 1, relay 2, relay 3 and relay 4, described remote control center comprises that real-time status checks unit, fault alarm unit and parameter regulon.
Store two groups of adjustable predefined values in described testing module, early warning value and the limiting value of the electric current and voltage that wherein one group of predefined value is each signal acquisition point, the voltage upper lower limit value that another group predefined value is storage battery; Concrete, described voltage and current signal sampling unit sends to the fault analysis and handling unit by testing signal, whether the fault analysis and handling unit over-voltage and over-current phenomenon occurs according to the relevant position that relatively judges of sampled value and predefined value, if the over-voltage and over-current phenomenon occurs, drive record ripple storage unit to be recorded ripple to relevant position, and drive relay group control unit to be adjusted the state of relay; The working procedure of described fault analysis and handling unit is:
When DC bus-bar voltage surpasses its early warning value, drive record ripple storage unit to be recorded ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously; Testing module gives a warning to remote control center by the GPRS module;
When DC bus-bar voltage surpasses its limiting value, drive record ripple storage unit to be recorded ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously, if after electric discharge still the value of overstepping the extreme limit drive relay group control unit block system relay 4; Testing module gives a warning to remote control center by the GPRS module;
When the storage battery overvoltage, generally all be accompanied by battery charger failure, therefore drive relay group control unit block system relay 2 and give a warning; When storage battery is under-voltage, drives relay group control unit block system relay 3 and give a warning.
Below in conjunction with example, the present invention will be described.
In order to overcome existing navigation mark light, the deficiency of oceanographic data monitoring device in power supply system usefulness and equipment condition monitoring, this case has designed navigation mark light, the electricity generating device of oceanographic data monitoring device and the remote control center that electricity generating device is monitored, make the running state of every generator can both be reflected in time remote control center, when certain device fails, remote end module can be processed according to fault level, output voltage current waveform after starting for minor failure or the abnormal method record trouble that adopts the record ripple also gives a warning, be convenient to technician's analyzing failure cause, for catastrophe failure direct disengagement failure loop, and uninterruptedly send fault data information (voltage, electric current, relay status) and the warning, make the dispatcher can grasp in time the runnability of every power generation system and take appropriate measures for some fault.
As shown in Figure 4, the structure of electricity generating device comprises inside and outside two floating drums, interior keg float 2 is long right cylindrical, wherein embed electricity generator stator coil 5, outer keg float 1 is hollow cylinder, tip shelf has four jiaos of supports 6, line motor permanent magnet 8 be fixed on outer floating drum support 6 and by fixing rod 9 connect deeply in interior keg float to stator 5 places, vacancy in outer floating drum is inserted on interior keg float top, rely on slidably connecting rod to be connected, when floating drum is subject to wave stroke, the inside and outside suffered wave force of floating drum does not wait and produces relative displacement, directly driving coil winding and permanent magnetism back and forth relatively moves and then produces electric energy, wave device later returns to former equilibrium state.Be placed with electronics storehouse 4 in outer floating drum, be placed with battery pack in storehouse, charger and measurement of correlation, communication apparatus, communication antenna leads to upper layer bracket 6 by waterproof valve by outer floating drum upper cover, described outer floating drum increases balancing weight to reach whole machine balancing in electronics storehouse symmetrical position, and generator output three-phase voltage current signal is drawn through waterproof valve and introduced 4 inside, electronics storehouse by interior floating drum top.Metal caisson 7 is installed on described upper layer bracket, inside puts easy heating instrument, as inverter, light fixture and bleeder etc., its lead-in wire is also drawn and is connected in outer floating drum electronics storehouse by waterproof valve.Whole flotation device is connected to balancing weight 3 under water by rope 10.Described generator and electrical power storage module comprise the drum type permanent-magnetism linear motor, charger (being positioned in the electronics storehouse), storage battery (being placed in the electronics storehouse) and inverter and bleeder (being placed in the metal caisson).
Described testing module based on MCU(such as the MSP430 single-chip microcomputer) coordinate the clock chip design, determine processing mode (adjustment state, record ripple or disengagement failure loop) according to sampled data; Testing module is by GPRS module passback data and receive upper-position unit (being remote control center) instruction, the automatic joining day stamp of passback fault instruction meeting; Upper-position unit is by computer serial ports and GPRS module communication, can monitor in real time the far-end instrument and also can draw the voltage and current waveform of generator (data and command time delay view network environment and determine).
The data that the Hall voltage current sensor detects are converted to after the 0-3v voltage signal AD translation interface of sending into MCU, and relay connects light-coupled isolation by MCU output IO mouth and amplifies rear driving; Record ripple storage unit adopts the FLASH storage chip to be connected to main control MCU by the SPI interface, when MCU receives the order of record ripple, sampled and by data together with the time stamp high speed storing in the FLASH chip, fetch again data from relevant position during the passback waveform and send.
Remote control center has that real-time status is checked, malfunction alarm and parameter regulatory function, can set remote end module transmission data bulk and the data that receive are carried out to the oscillogram drafting; The malfunction alarm module is another process outside independently circulating with main program, and whether responsible monitoring has the alarm signal passback, if produced fault, prints immediately warning message reception passback Wave data and relay status; The parameter adjustment module can each relay status of manual tune, sampling time interval and sampled data length.
In Fig. 3, watch-dog is not receiving maintenance wait interrupt status in control centre's communication instruction or equipment failure interruption situation, receive and interrupt after sign, interrupt source being judged, interrupt source is divided into the parameter setting, the state passback, manually control, five kinds of equipment failure and waveform acquisitions, described state passback interrupts returning the collection Wave data of current relay status and special time, manually control can manually be controlled corresponding relay folding in control centre, the waveform acquisition interruption can make equipment in corresponding time point is gathered specific node waveform and is stored into FLASH, in order to calling subsequently, after equipment failure is interrupted sending, the remote monitoring module can be judged according to interrupting menace level, to menace level, low fault is taked the measure of to control centre, reporting to the police and recording current waveform, to menace level, high fault is directly excised loop, corresponding fault point (driving/break relay) and is stored waveform, to control centre, give the alarm simultaneously.The remote monitoring module is communicated by letter with control centre and is adopted the GPRS communication module.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a marine energy generating monitoring apparatus, is characterized in that: comprise generator and electric energy puocessing module and testing module;
Described generator and electric energy puocessing module comprise the directly driving type ocean wave generator, the input end of the electric energy output end access rectifier of described directly driving type ocean wave generator, the output terminal of described rectifier is divided into two-way: a road is through the input end of relay 1 access charger, the output terminal of charger is through the input end of relay 2 access storage batteries, and the output terminal of storage battery is through the input end of relay 3 access inverter/converter; Another road is through relay 4 access bleeders; Its repeat circuit 1, relay 2 and relay 3 are normally off, and relay 4 is normally open;
Described testing module comprises voltage and current signal sampling unit, fault analysis and handling unit, record ripple storage unit and relay group control unit, the input end of the collection signal access fault analysis and handling unit of described voltage and current signal sampling unit, the output terminal access record ripple storage unit of fault analysis and handling unit and the control end of relay group control unit;
Described voltage and current signal sampling unit comprises the three-phase voltage current detection unit, the DC bus-bar voltage current detecting unit, charger output detections unit and storage battery output detections unit, the testing signal of described three-phase voltage current detection unit is taken from the output port of directly driving type ocean wave generator, the testing signal of described DC bus-bar voltage current detecting unit is taken from the DC bus place after rectification, the testing signal of described charger output detections unit is taken from the charger output port, the testing signal of described storage battery output detections unit is taken from the accumulator output end mouth, the record ripple location point of described record ripple storage unit is corresponding with the signal acquisition point position of voltage and current signal sampling unit, described relay group control unit is controlled the state of relay 1, relay 2, relay 3 and relay 4.
2. marine energy generating monitoring apparatus according to claim 1, it is characterized in that: also comprise remote control center, described remote control center intercoms mutually by between GPRS network and testing module, and the required electric energy of described remote control center is provided by the directly driving type ocean wave generator.
3. marine energy generating monitoring apparatus according to claim 1 is characterized in that: described remote control center comprises that real-time status checks unit, fault alarm unit and parameter regulon.
4. marine energy generating monitoring apparatus according to claim 1, it is characterized in that: the required electric energy of described testing module is provided by the directly driving type ocean wave generator.
5. marine energy generating monitoring apparatus according to claim 1, it is characterized in that: store two groups of adjustable predefined values in described testing module, early warning value and the limiting value of the electric current and voltage that wherein one group of predefined value is each signal acquisition point, the voltage upper lower limit value that another group predefined value is storage battery.
6. marine energy generating monitoring apparatus according to claim 5, it is characterized in that: described voltage and current signal sampling unit sends to the fault analysis and handling unit by testing signal, whether the fault analysis and handling unit over-voltage and over-current phenomenon occurs according to the relevant position that relatively judges of sampled value and predefined value, if the over-voltage and over-current phenomenon occurs, drive record ripple storage unit to be recorded ripple to relevant position, and drive relay group control unit to be adjusted the state of relay.
7. marine energy generating monitoring apparatus according to claim 6, it is characterized in that: the working procedure of described fault analysis and handling unit is:
When DC bus-bar voltage surpasses its early warning value, drive record ripple storage unit to be recorded ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously;
When DC bus-bar voltage surpasses its limiting value, drive record ripple storage unit to be recorded ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously, if after electric discharge still the value of overstepping the extreme limit drive relay group control unit block system relay 4;
When the storage battery overvoltage, drive relay group control unit block system relay 2; When storage battery is under-voltage, drive relay group control unit block system relay 3.
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| CN104100449A (en) * | 2014-07-16 | 2014-10-15 | 东南大学 | Device and method for dual-float sea save power generator resisting storm impacting |
| CN104167757A (en) * | 2014-08-29 | 2014-11-26 | 东南大学 | Electric power system based on wave power generation |
| CN104237706A (en) * | 2014-10-10 | 2014-12-24 | 北京机械设备研究所 | Real-time monitoring method for power takeoff generation device |
| CN107884713A (en) * | 2017-10-21 | 2018-04-06 | 湖南福湘发电设备有限公司 | A kind of generator failure detector |
| CN107941203A (en) * | 2017-11-29 | 2018-04-20 | 张建洲 | A kind of intellectual faculties and method |
| CN108023510A (en) * | 2017-12-28 | 2018-05-11 | 江苏集萃智能制造技术研究所有限公司 | It is a kind of to let out energy circuit for servomotor braking |
| TWI624591B (en) * | 2016-04-14 | 2018-05-21 | 日立製作所股份有限公司 | Wind power plant |
| CN108292840A (en) * | 2015-11-17 | 2018-07-17 | 株式会社自动网络技术研究所 | Charge and discharge device |
| CN109088518A (en) * | 2018-09-25 | 2018-12-25 | 苏州直为精驱控制技术有限公司 | integrated linear motor |
| CN114283562A (en) * | 2021-12-08 | 2022-04-05 | 江苏科技大学 | Early warning system and early warning method for offshore trestle |
| CN114837877A (en) * | 2022-05-05 | 2022-08-02 | 杭州传一科技有限公司 | Tidal wave monitoring buoy capable of generating power and power generation method |
| CN115001141A (en) * | 2022-06-15 | 2022-09-02 | 东南大学 | Remote control communication system for side electric energy conversion of direct-driven wave power generator |
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| CN109088518A (en) * | 2018-09-25 | 2018-12-25 | 苏州直为精驱控制技术有限公司 | integrated linear motor |
| CN114283562A (en) * | 2021-12-08 | 2022-04-05 | 江苏科技大学 | Early warning system and early warning method for offshore trestle |
| CN114283562B (en) * | 2021-12-08 | 2023-12-22 | 江苏科技大学 | Marine trestle early warning system and early warning method thereof |
| CN114837877A (en) * | 2022-05-05 | 2022-08-02 | 杭州传一科技有限公司 | Tidal wave monitoring buoy capable of generating power and power generation method |
| CN115001141A (en) * | 2022-06-15 | 2022-09-02 | 东南大学 | Remote control communication system for side electric energy conversion of direct-driven wave power generator |
| CN115001141B (en) * | 2022-06-15 | 2024-07-02 | 东南大学 | Remote control communication system for side electric energy conversion of direct-drive wave generator |
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