CN103498757B - A kind of marine energy generating monitoring apparatus - Google Patents
A kind of marine energy generating monitoring apparatus Download PDFInfo
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- CN103498757B CN103498757B CN201310475831.XA CN201310475831A CN103498757B CN 103498757 B CN103498757 B CN 103498757B CN 201310475831 A CN201310475831 A CN 201310475831A CN 103498757 B CN103498757 B CN 103498757B
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a kind of marine energy generating monitoring apparatus, comprise generator and electric energy puocessing module and testing module; Generator and electric energy puocessing module comprise directly driving type ocean wave generator, the input end of the electric energy output end access rectifier of directly driving type ocean wave generator, the output terminal of rectifier is divided into two-way: charger is accessed through relay 1 in a road, charger accesses storage battery through relay 2, and storage battery accesses inverter/converter through relay 3; Bleeder is accessed through relay 4 in another road; Testing module comprises voltage and current signal sampling unit, fault analysis and handling unit, record ripple storage unit and relay group control unit, and electric energy needed for testing module is provided by directly driving type ocean wave generator.Marine energy generating monitoring apparatus provided by the invention, adopt glitch record ripple and return warning, major break down adopts 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 when controllers can be occurred according to fault.
Description
Technical field
The present invention relates to a kind of generation of electricity by new energy and monitoring system, particularly relate to a kind of generating monitoring apparatus being energy conversion device with straight line type ocean wave generator.
Background technique
Ocean occupy earth surface long-pending 70%, not only have the resources such as abundant aquatic products, oil, rock gas, more contain huge, clean, reproducible, novel marine energy.Ocean wave energy is ubiquitous in ocean, and relatively little by time restriction, and the energy flux density of wave energy is maximum simultaneously, provides the considerable cheap energy by less device.
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 kinetic transformation of wave can be directly just electric energy without the need to unnecessary driving mechanism by the linear electric generator of directly driving type, efficiency improves a lot.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 is all equipped with jumbo storage battery, photovoltaic generating system is adopted to provide electric energy, the situation making photovoltaic space of a whole page sum capacity of battery all need to leave very large surplus reply light intensity deficiency on daytime but photovoltaic panel cannot generate electricity at night.Utilize the restriction of wind energy power also by wind size.Because sea wave energy is not by time restriction, power supply system stand-by cost is reduced greatly.In addition sea situation is very complicated and have inconvenient traffic, and becomes very difficult to the malfunction elimination of ocean wave generator.
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, with straight line type ocean wave generator for energy conversion device, and can monitor 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, comprises generator and electric energy puocessing module and testing module;
Described generator and electric energy puocessing module comprise 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: the input end of charger is accessed through relay 1 in a road, the output terminal of charger accesses the input end of storage battery through relay 2, the output terminal of storage battery accesses the input end of inverter/converter through relay 3; Bleeder is accessed through relay 4 in another road; Its repeat circuit 1, relay 2 and relay 3 is 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 three-phase voltage current detection unit, 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 charger output port, the testing signal of described storage battery output detections unit is taken from 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, the state of described relay group control unit to relay 1, relay 2, relay 3 and relay 4 controls.
Preferably, also comprise remote control center, described remote control center is by intercoming mutually between GPRS network with testing module, and needed for described remote control center, electric energy is provided by directly driving type ocean wave generator, does not need other external power supplys.
Concrete, described remote control center comprises real-time status and checks unit, fault alarm unit and parameter adjustment unit.
Preferably, needed for described testing module, electric energy is provided by directly driving type ocean wave generator, does not need other external power supplys.
Preferably, described voltage and current signal sampling unit uses Hall voltage current sensor to carry out signals collecting.
Preferably, store two groups of adjustable predefined values in described testing module, wherein one group of predefined value is early warning value and the limiting value of the voltage x current of each signal acquisition point, and another group predefined value is the voltage upper lower limit value of storage battery.
Concrete, testing signal is sent to fault analysis and handling unit by described voltage and current signal sampling unit, whether fault analysis and handling unit there is over-voltage and over-current phenomenon according to the multilevel iudge relevant position of sampled value and predefined value, if there is over-voltage and over-current phenomenon, then drive record ripple storage unit to carry out record ripple to relevant position, and drive the state of relay group control unit to relay to adjust.
Concrete, the working procedure of described fault analysis and handling unit is:
When DC bus-bar voltage exceedes its early warning value, drive record ripple storage unit to carry out record ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously;
When DC bus-bar voltage exceedes its limiting value, record ripple storage unit is driven to carry out record ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously, if still over-limit condition after electric discharge, drive relay group control unit block system relay 4;
When storage battery overvoltage, drive relay group control unit block system relay 2; When storage battery under-voltage, drive relay group control unit block system relay 3.
Beneficial effect: marine energy generating monitoring apparatus provided by the invention, overcome photovoltaic panel and cannot generate electricity and the disadvantage of wind-driven generator by weather effect night, simultaneously simple than rotary ocean wave generator mechanical structure, loss is little, and efficiency is high, and the life-span is long; Monitoring puocessing module adopts glitch record ripple also to return warning, and major break down adopts 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 when controllers can be occurred according to fault; Control centre according to effector's real-time rendering voltage and current waveform, can contribute to technician and better checks generator operation situation.
Accompanying drawing explanation
Fig. 1 is basic structure schematic diagram of the present invention;
Fig. 2 is the structural representation of the present invention when having distant place control centre concurrently;
Fig. 3 is the software flow pattern of 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 is by intercoming mutually between GPRS network with testing module.
Described generator and electric energy puocessing module comprise 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: the input end of charger is accessed through relay 1 in a road, the output terminal of charger accesses the input end of storage battery through relay 2, the output terminal of storage battery accesses the input end of inverter/converter through relay 3; Bleeder is accessed through relay 4 in another road; Its repeat circuit 1, relay 2 and relay 3 is 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 uses Hall voltage current sensor to carry out signals collecting.
Described voltage and current signal sampling unit comprises three-phase voltage current detection unit, 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 charger output port, the testing signal of described storage battery output detections unit is taken from 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, the state of described relay group control unit to relay 1, relay 2, relay 3 and relay 4 controls, described remote control center comprises real-time status and checks unit, fault alarm unit and parameter adjustment unit.
Store two groups of adjustable predefined values in described testing module, wherein one group of predefined value is early warning value and the limiting value of the voltage x current of each signal acquisition point, and another group predefined value is the voltage upper lower limit value of storage battery; Concrete, testing signal is sent to fault analysis and handling unit by described voltage and current signal sampling unit, whether fault analysis and handling unit there is over-voltage and over-current phenomenon according to the multilevel iudge relevant position of sampled value and predefined value, if there is over-voltage and over-current phenomenon, then drive record ripple storage unit to carry out record ripple to relevant position, and drive the state of relay group control unit to relay to adjust; The working procedure of described fault analysis and handling unit is:
When DC bus-bar voltage exceedes its early warning value, drive record ripple storage unit to carry out record ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously; Testing module is given a warning to remote control center by GPRS module;
When DC bus-bar voltage exceedes its limiting value, record ripple storage unit is driven to carry out record ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously, if still over-limit condition after electric discharge, drive relay group control unit block system relay 4; Testing module is given a warning to remote control center by GPRS module;
When storage battery overvoltage, under normal circumstances all along with battery charger failure, therefore drive relay group control unit block system relay 2 and give a warning; When storage battery under-voltage, drive 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 devises 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 platform generator can both be reflected to remote control center in time, when certain device fails, remote end module can process according to fault level, output voltage current waveform after adopting the method record trouble of record ripple to start for minor failure or exception also gives a warning, be convenient to technician's analyzing failure cause, for catastrophe failure then direct disengagement failure loop, and uninterrupted transmission fault data information (voltage, electric current, relay status) and warning, make dispatcher can grasp the runnability of every platform power generation system in time 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 in long right cylindrical, wherein embed electricity generator stator coil 5, outer keg float 1 is in hollow cylinder, tip shelf has corner support 6, line motor permanent magnet 8 to be fixed on outer floating drum support 6 and by fixing rod 9 connect deeply to interior keg float to stator 5 place, vacancy in outer floating drum is inserted on interior keg float top, slidably connecting rod is relied on to be connected, when floating drum is subject to wave stroke, suffered by inside and outside floating drum, wave force does not wait and produces relative displacement, direct drive coil winding and the reciprocal relative movement of permanent magnetism and then produce electric energy, after wave, device returns to former equilibrium state.Electronics storehouse 4 is placed with in outer floating drum, battery pack is placed with 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 exports three-phase voltage current signal and draws through waterproof valve introducing electronics storehouse 4 inner by interior floating drum top.Described upper layer bracket is provided with metal caisson 7, inside puts the instrument that easily generates heat, as inverter, light fixture and bleeder etc., its lead-in wire is also drawn by waterproof valve and is connected in outer floating drum electronics storehouse.Whole flotation device is connected to balancing weight 3 under water by rope 10.Described generator and electrical power storage module comprise drum type permanent-magnetism linear motor, charger (being positioned in electronics storehouse), storage battery (being placed in electronics storehouse) and inverter and bleeder (being placed in metal caisson).
Described testing module is based on MCU(such as MSP430 single-chip microcomputer) coordinate clock chip to design, according to sampled data determination processing mode (adjustment state, record ripple or disengagement failure loop); Testing module is by GPRS module return data and receive upper-position unit (i.e. remote control center) instruction, and passback faulting instruction can stab the automatic joining day; Upper-position unit is communicated with GPRS module by computer serial port, can monitor the voltage and current waveform (data and command time delay are depending on network environment) that distal instrument also can draw generator in real time.
The data that Hall voltage current sensor detects send into the AD conversion interface of MCU after being converted to 0-3v voltage signal, relay exports I/O port by MCU and connects light-coupled isolation amplification rear driving; Record ripple storage unit adopts FLASH storage chip to be connected to main control MCU by SPI interface, carry out sampling when MCU receives record ripple order and by data together with time stamp high speed storing in FLASH chip, fetch data again from relevant position during 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 received are carried out oscillogram drafting; Malfunction alarm module is another process independently and outside main program cycle, and whether responsible monitoring has alarm signal to return, if the fault of creating, printing warning message also receives and returns Wave data and relay status immediately; Parameter adjustment module can each relay status of manual tune, sampling time interval and sampled data length.
In figure 3, watch-dog is not receiving maintenance wait interrupt status in control centre's communication instruction or equipment failure interruption situation, receive after interrupting mark and interrupt source is judged, interrupt source is divided into optimum configurations, state returns, Non-follow control, equipment failure and waveform acquisition five kinds, the collection Wave data that can return current relay status and special time is interrupted in described state passback, Non-follow control can the corresponding relay folding of heart Non-follow control in the controlling, waveform acquisition interruption can make equipment gather specific node waveform at corresponding time point and be stored in FLASH, in order to calling subsequently, after equipment failure interruption sends, remote monitoring module can judge according to interruption menace level, the fault low to menace level is taked report to the police to control centre and record the measure of current form, the fault high to menace level is then directly excised loop, corresponding fault point (driving/break relay) and stores waveform, give the alarm to control centre simultaneously.Remote monitoring module communicates with control centre and adopts 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 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: the input end of charger is accessed through relay 1 in a road, the output terminal of charger accesses the input end of storage battery through relay 2, the output terminal of storage battery accesses the input end of inverter/converter through relay 3; Bleeder is accessed through relay 4 in another road; Its repeat circuit 1, relay 2 and relay 3 is 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 three-phase voltage current detection unit, 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 charger output port, the testing signal of described storage battery output detections unit is taken from 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, the state of described relay group control unit to relay 1, relay 2, relay 3 and relay 4 controls.
2. marine energy generating monitoring apparatus according to claim 1, it is characterized in that: also comprise remote control center, described remote control center is by intercoming mutually between GPRS network with testing module, and needed for described remote control center, electric energy is provided by directly driving type ocean wave generator.
3. marine energy generating monitoring apparatus according to claim 2, is characterized in that: described remote control center comprises real-time status and checks unit, fault alarm unit and parameter adjustment unit.
4. marine energy generating monitoring apparatus according to claim 1, is characterized in that: needed for described testing module, electric energy is provided by directly driving type ocean wave generator.
5. marine energy generating monitoring apparatus according to claim 1, it is characterized in that: in described testing module, store two groups of adjustable predefined values, wherein one group of predefined value is early warning value and the limiting value of the voltage x current of each signal acquisition point, and another group predefined value is the voltage upper lower limit value of storage battery.
6. marine energy generating monitoring apparatus according to claim 5, it is characterized in that: testing signal is sent to fault analysis and handling unit by described voltage and current signal sampling unit, whether fault analysis and handling unit there is over-voltage and over-current phenomenon according to the multilevel iudge relevant position of sampled value and predefined value, if there is over-voltage and over-current phenomenon, then drive record ripple storage unit to carry out record ripple to relevant position, and drive the state of relay group control unit to relay to adjust.
7. marine energy generating monitoring apparatus according to claim 6, is characterized in that: the working procedure of described fault analysis and handling unit is:
When DC bus-bar voltage exceedes its early warning value, drive record ripple storage unit to carry out record ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously;
When DC bus-bar voltage exceedes its limiting value, record ripple storage unit is driven to carry out record ripple to respective point, drive the closed electric discharge of relay group control unit control relay 4 simultaneously, if still over-limit condition after electric discharge, drive relay group control unit block system relay 4;
When storage battery overvoltage, drive relay group control unit block system relay 2; When storage battery under-voltage, drive relay group control unit block system relay 3.
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| CN201310475831.XA CN103498757B (en) | 2013-10-12 | 2013-10-12 | A kind of marine energy generating monitoring apparatus |
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| CN201310475831.XA CN103498757B (en) | 2013-10-12 | 2013-10-12 | A kind of marine energy generating monitoring apparatus |
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| CN103498757B true CN103498757B (en) | 2015-08-05 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104100449B (en) * | 2014-07-16 | 2016-04-06 | 东南大学 | A kind of double-floating drum ocean wave power generation device resists the device and method that storm impacts |
| CN104167757B (en) * | 2014-08-29 | 2016-03-23 | 东南大学 | A kind of electric power system based on seawave 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 |
| CN108292840B (en) * | 2015-11-17 | 2019-06-14 | 株式会社自动网络技术研究所 | Charge and discharge device |
| JP6771935B2 (en) * | 2016-04-14 | 2020-10-21 | 株式会社日立製作所 | Wind power generator |
| 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 |
| 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 |
| 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 |
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| GB1241860A (en) * | 1968-01-04 | 1971-08-04 | Francesco Fenocchio | A control system wherein use is made of electric signals having a single frequency |
| CN1485964A (en) * | 2002-09-25 | 2004-03-31 | 江苏扬州三力电器集团西菱电器有限公 | Intellectual monitoring breaker |
| CN1920721A (en) * | 2006-09-15 | 2007-02-28 | 四川东风电机厂有限公司 | Method for debugging micro computer monitoring protection system of water power station |
| CN101127456A (en) * | 2007-07-27 | 2008-02-20 | 深圳市泰昂电子技术有限公司 | Intelligent management system for transformer substation assisted devices |
| KR100970943B1 (en) * | 2007-12-21 | 2010-07-20 | 재단법인 포항산업과학연구원 | System and method for recording fault of power system comprising generating fuel cell |
| CN101478154A (en) * | 2008-01-06 | 2009-07-08 | 卢贺成 | Measure for solving AC, DC earthing and short circuit and novel design of DC system |
| CN201218822Y (en) * | 2008-07-01 | 2009-04-08 | 乐山一拉得电网自动化有限公司 | Electric energy quality on-line monitoring device |
| CN101876689A (en) * | 2009-04-29 | 2010-11-03 | 武汉爱维安防科技有限公司 | Large-scale generator set monitoring system |
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Address after: 210093 Nanjing University Science Park, 22 Hankou Road, Gulou District, Nanjing City, Jiangsu Province Patentee after: Southeast University Address before: 211103 No. 5 Runfa Road, Jiangning District, Nanjing City, Jiangsu Province Patentee before: Southeast University |
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Granted publication date: 20150805 Termination date: 20201012 |