CN204041361U - The lightning monitoring device of wind power generating set - Google Patents
The lightning monitoring device of wind power generating set Download PDFInfo
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- CN204041361U CN204041361U CN201420445910.6U CN201420445910U CN204041361U CN 204041361 U CN204041361 U CN 204041361U CN 201420445910 U CN201420445910 U CN 201420445910U CN 204041361 U CN204041361 U CN 204041361U
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- Y02E10/722—
Abstract
The utility model provides a kind of lightning monitoring device of wind power generating set, described device comprises optical fiber transducer, thunder and lightning ANALYZER and the first optical fiber be connected between described optical fiber transducer and described thunder and lightning ANALYZER and the second optical fiber, described optical fiber transducer is arranged on the lightning protection downlead of root of blade, described thunder and lightning ANALYZER is used for sending the first optical signal by described first optical fiber to optical fiber transducer, and receive by described second optical fiber the second optical signal returned, analysis is carried out to described second optical signal and generates lightning data.Based on Faraday law of electromagnetic induction, by transmission and the optical measurement of optical signal, to realize carrying out safety, monitor to the thunder and lightning situation of wind power generating set.
Description
Technical field
The utility model relates to a kind of lightning monitoring device, particularly relates to a kind of lightning monitoring device of wind power generating set.
Background technique
Wind energy is current one of renewable clear energy sources possessing most scale development condition, but works under physical environment due to wind power generating set, is inevitably subject to the impact of natural disaster.Along with the fast development of modern science and technology, the single-machine capacity of wind power generating set is increasing, in order to absorb more multi-energy, hub height and impeller diameter also increase thereupon, thus too increase wind power generating set by the risk of being struck by lightning, the huge energy of thunder and lightning release can cause wind generator set blade damage, generator insulating punctures, control unit burns, and has become occurring in nature to endanger maximum a kind of disaster to wind power generating set safe operation.
In wind power generating set, lightning monitoring device is not installed at present, causes to do thunder and lightning rule and judge and implement effective thunder And Lightning Preventive Measures accurately.Sensor and the wire of monitoring thunder and lightning all adopt metal sensor and plain conductor in the past, can produce induced lightening electric current, will destroy metal sensor and plain conductor in observation process, and can destruct limit system.Therefore, a kind of lightning monitoring device that can be applicable to wind power generating set is needed.
Model utility content
Embodiment of the present utility model provides a kind of lightning monitoring device of wind power generating set, to realize carrying out safety, monitor to the thunder and lightning situation of wind power generating set.
For achieving the above object, embodiment of the present utility model adopts following technological scheme:
A lightning monitoring device for wind power generating set, comprising:
Optical fiber transducer, thunder and lightning ANALYZER and the first optical fiber be connected between described optical fiber transducer and described thunder and lightning ANALYZER and the second optical fiber, described optical fiber transducer, on the lightning protection downlead being arranged on root of blade; Described thunder and lightning ANALYZER, for sending the first optical signal by described first optical fiber to described optical fiber transducer, and receives by described second optical fiber the second optical signal returned, and carries out analysis generate lightning data to described second optical signal.
Preferably, described first optical fiber is connected with optical fiber transducer by push-pull mode interface with described second optical fiber.
Preferably, the quantity of described optical fiber transducer is three, on the lightning protection downlead being separately positioned on three roots of blade, and is connected with described thunder and lightning ANALYZER with three described second optical fiber by three described first optical fiber.
Preferably, described lightning monitoring device also comprises lightning monitoring cabinet, and described thunder and lightning ANALYZER is arranged in described lightning monitoring cabinet.
Preferably, described lightning monitoring cabinet is arranged on air guide sleeve fore poppet.
Preferably, described lightning monitoring cabinet is arranged on and becomes on oar cabinet fixed support.
Preferably, described lightning monitoring cabinet is arranged on the link position place of described air guide sleeve fore poppet and wheel hub, and being bolted on described air guide sleeve fore poppet by described air guide sleeve fore poppet.
Preferably, the outer side covers of described optical fiber transducer has glass cloth, and described glass cloth and described root of blade bond, on the lightning protection downlead described optical fiber transducer being fixed on described root of blade.
Preferably, described lightning monitoring cabinet is connected with change oar cabinet by data transmission cable, the lightning data monitored is transferred to described change oar cabinet.
Preferably, connected by data line successively between described change oar cabinet, slip ring, cabin cabinet and master control cabinet, described lightning data is transferred to described master control cabinet from described change oar cabinet.
Preferably, the mode of DP bus is adopted to carry out data transmission between described lightning monitoring cabinet and change oar cabinet, described lightning monitoring cabinet is also provided with PLC module, be connected with described thunder and lightning ANALYZER, the lightning data for thunder and lightning ANALYZER is monitored be converted to described DP bus data format and by DP bus transfer give described change oar cabinet.
Preferably, also lightning protection device is provided with in described lightning monitoring cabinet, on the data transmission link that described lightning protection device is arranged on the Ethernet between described PLC module with described thunder and lightning ANALYZER or be arranged on the data transmission link of the DP bus be connected with described PLC module, for eliminating the inrush current in data transmission link.
Preferably, in described lightning monitoring cabinet, be also provided with wireless communication module, be connected with described thunder and lightning ANALYZER, for exporting the lightning data that described thunder and lightning ANALYZER generates.
Preferably, described lightning monitoring cabinet is connected with described change oar cabinet by electric power transfer cable, obtains electric power from described change oar cabinet.
Preferably, in described lightning monitoring cabinet, be also provided with UPS module, for providing auxiliary power to described thunder and lightning ANALYZER.
Preferably, described master control cabinet is connected with supervisor control with data capture, described data capture and supervisor control comprise control server and remote monitoring server on the spot, described control server is on the spot connected with the master control cabinet of multiple wind-driven generator, for obtaining lightning data from described master control cabinet and storing; Described remote monitoring server is connected with described control server on the spot by network, can conduct interviews in remote access mode to the lightning data in described control server on the spot.
The lightning monitoring device of a kind of wind power generating set that the utility model embodiment provides, have employed the thunder and lightning signal of optical fiber transducer to heavy current and carry out non-contact measurement, thunder and lightning signal is converted to optical signal, and send thunder and lightning ANALYZER to by optical fiber, avoid in prior art the problem of induced lightening current disrupts sensor and the lightning monitoring system adopting metal sensor and plain conductor to exist, also effectively solve lightning current and produce the data monitoring interference brought in magnetic field, make the data that monitor more accurate, and be the non-contact measurement of optical fiber transducer due to what adopt, avoid the direct introducing of lightning current, the control apparatus in wind power generating set and system is enable less to be subject to the impact of lightning current, avoid the generation of " second is drawn thunder line ".In addition, optical fiber transducer is arranged on the thunder and lightning signal that can be accurately monitored on lightning protection downlead and be applied on blower fan.
Accompanying drawing explanation
Fig. 1 is one of lightning monitoring apparatus structure schematic diagram of the present utility model.
Fig. 2 is lightning monitoring apparatus structure schematic diagram two of the present utility model.
Fig. 3 is lightning monitoring setting position schematic diagram of the present utility model.
Fig. 4 is lightning monitoring device line of the present utility model and data transmission structure schematic diagram.
Fig. 5 is sensor of the present utility model and optical fiber mounting structure schematic diagram.
Fig. 6 is lightning monitoring cabinet fixed-position structure schematic diagram of the present utility model.
Fig. 7 is the cabinet mounting bracket plan view of lightning monitoring cabinet of the present utility model.
Fig. 8 is the cabinet mounting bracket plan view of lightning monitoring cabinet of the present utility model.
Fig. 9 is the cabinet mounting bracket side view of lightning monitoring cabinet of the present utility model.
Figure 10 is the overall structure schematic diagram of the utility model atmospherics on-line monitoring system.
Description of reference numerals:
1-blade; 2-lightning protection downlead; 3-optical fiber transducer; 4-optical fiber; 5-impeller system; 6-lightning monitoring cabinet; 61-thunder and lightning ANALYZER; 62-PLC module; 63-UPS module; 66-lightning protection device; 67-wireless communication module; 7-tower cylinder; 8-master control cabinet; 11-bundling strap; 12-data transmission optical cable; 13-power cable; 14-DP cable; 15-cabin cabinet; 18-becomes oar cabinet; 19-slip ring; 20-air guide sleeve fore poppet; 21-wheel hub; 22-dead axle; 23-air guide sleeve fore poppet fixing bolt; 24-lightning monitoring cabinet fixing bolt; 25-air guide sleeve.
Embodiment
Be described in detail below in conjunction with the lightning monitoring device of accompanying drawing to the wind power generating set of the utility model embodiment, this device comprises optical fiber transducer and thunder and lightning ANALYZER.Major technique thought is based on Faraday law of electromagnetic induction, the angle of the deflection plane that optical signal is propagated in a fiber and magnetic field have functional relation, by lightray propagation and optical measurement, realize the Real-Time Monitoring to wind power generating set thunder and lightning, and not by the interference of electric field.Thunder and lightning ANALYZER is analyzed the optical signal received, and generates lightning data, and is stored by this lightning data record, and the lightning protection sending out unit for wind-power electricity generation provides effective Data support.
Embodiment one
As shown in Figure 1, for the lightning monitoring apparatus structure schematic diagram of the utility model embodiment, with reference to Fig. 1, the lightning monitoring device of the utility model embodiment comprises: optical fiber transducer 3, thunder and lightning ANALYZER 61 and the first optical fiber 41 and the second optical fiber 42 be connected between described optical fiber transducer and described thunder and lightning ANALYZER.Wherein, optical fiber transducer 3 is arranged on the lightning protection downlead of root of blade, thunder and lightning ANALYZER 61 is for sending the first optical signal by the first optical fiber 41 to optical fiber transducer 3, and the second optical signal returned is received by the second optical fiber 42, analysis is carried out to described second optical signal and generates lightning data.
Based on Faraday law of electromagnetic induction, thunder and lightning ANALYZER 61 sends the first optical signal by the first optical fiber 41 to optical fiber transducer 3, this first optical signal is by after optical fiber transducer 3, if when not being subject to thunder and lightning effect of signals, then can not there is any change in this first optical signal, and be back to thunder and lightning ANALYZER 61 by the second optical fiber 42; If be subject to thunder and lightning effect of signals, then the first optical signals is in the impact being subject to the electromagnetic field in thunder and lightning signal, and the angle of its deflection plane then can change, and then forms the second optical signal, and is back to thunder and lightning ANALYZER 61 by the second optical fiber 42.
The lightning monitoring device of the wind power generating set of the utility model embodiment, the thunder and lightning signal that have employed optical fiber transducer 3 pairs of heavy currents carries out non-contact measurement, thunder and lightning signal is converted to optical signal, and send thunder and lightning ANALYZER 61 to by optical fiber 4 (comprising the first optical fiber 41 and the second optical fiber 42), avoid in prior art the problem of induced lightening current disrupts sensor and the lightning monitoring system adopting metal sensor and plain conductor to exist, also efficiently solve lightning current and produce the data monitoring interference brought in magnetic field, also effectively protect wind power generating set lightning protection control system, solve lightning current and produce the interference brought in magnetic field, avoid the generation of " second is drawn thunder line ".In addition, optical fiber transducer 3 is arranged on the thunder and lightning signal that can be accurately monitored on lightning protection downlead 2 and be applied on blower fan, and be only connected with optical fiber 4 between optical fiber transducer 3 with thunder and lightning ANALYZER 61, and there is no other any electrical connections, simplify the structure of monitoring device, decrease the mutual interference of electric equipment compartment, make the data that monitor more accurate.First optical fiber 41, second optical fiber 42, optical fiber transducer 3 and thunder and lightning ANALYZER 61 constitute the transmission loop of optical signal, wherein the first optical fiber 41 and the second optical fiber 42 are two bars transmission lines, carry the impact of original the first optical signal sent and the electromagnetic field receiving thunder and lightning signal in optical fiber transducer 3 respectively and there occurs the second optical signal of deflection, this two barss transmission line is not owing to being traditional cable run, it can not be subject to the impact of thunder and lightning signal, therefore, even if optical fiber transducer 3 is distant with thunder and lightning ANALYZER 61, also optical signal can be transmitted exactly.
In addition, the first optical fiber 41 and the second optical fiber 42 can adopt push-pull mode interface to be connected to optical fiber transducer 3, and the connection of this push-pull mode interface is relatively more firm, can ensure optical fiber proper communication under strong vibration environment environment such as () such as blower fan runnings.
Further, the quantity of optical fiber transducer 3 is preferably three, on the lightning protection downlead 2 being separately positioned on three roots of blade, and is connected with described thunder and lightning ANALYZER 61 with three second optical fiber 42 by three first optical fiber 41.On three blades, installing optical fibres sensor 3 can collect more fully lightning data respectively.What be described at these needs is, the quantity of above-mentioned optical fiber transducer 3 is not restricted to three, can according to the actual conditions of wind power generating set, expand the installation quantity of this optical fiber transducer 3, and suitably can adjust mounting point, thus reach the scope of the lightning monitoring improving wind power generating set further.
In addition, the outside of optical fiber transducer 3 can be coated with glass cloth, and glass cloth and root of blade bond, and is used for protecting optical fiber transducer 3 on the lightning protection downlead 2 described optical fiber transducer 3 being fixed on described root of blade.Blade generally adopts composite material (to be by reinforcing materials such as the thermoset substrate resins such as polyester resin, vinylite and epoxy resin and E-glass fibre, S-glass fibre, carbon fibers, be composited by moulding process such as manual lay or resin injections) to make, glass cloth is the fabric be made into glass fibre.Lightning protection downlead is in the inside of blade cavity; therefore; optical fiber transducer 3 is also the inside being arranged at blade cavity; blower fan can produce vibrations in the process of generating, and due to material, the fragment having some respective material in blade drops; in this case; glass cloth can be good at protection optical fiber transducer 3 and does not sustain damage, and glass cloth also can bond with blade well, on the lightning protection downlead 2 optical fiber transducer 3 being fixed on blade.In order to make optical fiber transducer 3 fix more firm, bundling strap 11 can also be used to be bundled on lightning protection downlead 2 by optical fiber transducer 3, as shown in Figure 5.
Particularly, as Fig. 3 and Fig. 4, show the overall structure of the thunder and lightning on-Line Monitor Device of the utility model embodiment, mounting point and wiring construction etc.With reference to Fig. 3 and Fig. 4, the impeller system 5 of wind power generating set comprises three blades 1, and each blade is provided with the lightning protection downlead 2 of releasing for lightning current, lightning protection downlead 2 can distinguish installing optical fibres sensor 3, the thunder and lightning signal monitored is sent to thunder and lightning ANALYZER 61 by optical fiber 4 by optical fiber transducer 3, in actual applications, thunder and lightning ANALYZER 61 can be installed in lightning monitoring cabinet 6, lightning monitoring cabinet 6 is except providing except protection physically for thunder and lightning ANALYZER 61, various supporting module can also be provided for thunder and lightning ANALYZER 61, as power module (such as switch power, UPS or the module etc. from outside introducing power supply), switch module (such as miniature circuit breaker), data-interface and communication module (as PLC module), and lightning protection device etc., all communications cables and power cable are all connected with inner thunder and lightning ANALYZER 61 and other internal modules by lightning monitoring cabinet 6.
In addition, lightning monitoring cabinet 6 can be arranged on air guide sleeve fore poppet 20, and one end of air guide sleeve fore poppet 20 is fixed on wheel hub 21, and the other end is fixed on air guide sleeve 25, and its effect is fixed on blower fan by air guide sleeve 25.Lightning monitoring cabinet 6 is fixed on herein, take full advantage of existing blower fan structure carry out installation fix, also take full advantage of the space in air guide sleeve 25.Particularly, lightning monitoring cabinet 6 can be arranged on the link position place of described air guide sleeve fore poppet 20 and wheel hub 21, and being bolted on described air guide sleeve fore poppet 20 by described air guide sleeve fore poppet 20.Lightning monitoring cabinet 6 is arranged on air guide sleeve fore poppet 20 and can makes lightning monitoring cabinet 6 more close to wheel hub 21 with the link position of wheel hub 21, make it more firm, and the bolt of existing air guide sleeve fore poppet 20 can be utilized to be fixed, not need additionally to offer the fixed structures such as bolt screw again.In actual applications, above-mentioned thunder and lightning ANALYZER 61, PLC module 62, switch power, UPS module 63, storage battery, lightning protection device 66 etc. can be placed in lightning monitoring cabinet 6, and then lightning monitoring cabinet 6 is fixed on air guide sleeve fore poppet 20.
In addition, lightning monitoring cabinet 6 can also be arranged on and become on oar cabinet fixed support (being positioned at the below of the change oar cabinet 18 of Fig. 4).In high-power wind-driven generator (such as the wind-driven generator of 2.5 megawatts), the space of wheel hub 21 is larger, in this case, preferably lightning monitoring cabinet 6 is arranged on and becomes oar cabinet fixed support, thus communicate to connect with change oar cabinet 18 more easily.
For above-mentioned two kinds of mounting points about lightning monitoring cabinet 6 and mounting structure, can according to the needs of practical application, or for the wind power generating set of different model, select different mounting points and mounting structure.
Fig. 6 and Fig. 7-Fig. 9 respectively illustrates the cabinet mounting support structure that lightning monitoring cabinet 6 is fixed on fixed-position structure on air guide sleeve fore poppet 20 and lightning monitoring cabinet 6.
As can be seen from Figure 6, lightning monitoring cabinet 6 is fixedly connected with air guide sleeve fore poppet 20 by cabinet mounting bracket, the utility model uses the fixing bolt 23 of three groups of air guide sleeve fore poppets 20 with the cabinet mounting bracket of fixing lightning monitoring cabinet 6, and this bolt model is such as M16 × 70.Specifically, the cabinet mounting bracket of lightning monitoring cabinet 6 is roughly L-shaped, the mounting hole of the bottom of " L " shape and the mounting hole of air guide sleeve fore poppet 20 match, by bolt, both are connected, the mounting hole of the mounting hole of the sidepiece of the cabinet mounting bracket of lightning monitoring cabinet 6 and the cabinet of lightning monitoring cabinet 6 matches, and by cabinet fixing bolt 24, lightning monitoring cabinet 6 being fixed on cabinet mounting bracket, this cabinet fixing bolt model is such as M8 × 25.
With reference to the cabinet mounting support structure of the lightning monitoring cabinet 6 shown in Fig. 7-Fig. 9, can recognize, namely mounting hole #1, #2, #3, #4 shown in Fig. 7 medium-height trestle plan view are connected for the mounting hole of the cabinet with lightning monitoring cabinet 6, to be fixed on cabinet mounting bracket by its cabinet; Three mounting holes #5, #6, #7 shown in Fig. 8 support plan view are then connected with the mounting hole of air guide sleeve fore poppet 20, be fixed on air guide sleeve fore poppet 20, thus lightning monitoring cabinet 6 is connected be fixed on air guide sleeve fore poppet 20 by cabinet mounting bracket.Those skilled in the art is not difficult to know, the bracket side view shown in composition graphs 9 is understood that the structure in the utility model, above-mentioned cabinet filling support.
After the thunder and lightning ANALYZER 61 be arranged in lightning monitoring cabinet 6 generates lightning data, also need lightning data to be transferred in the computer be arranged on outside wind-driven generator, thus can be further analyzed lightning data.Due to master control cabinet 8 be each Wind turbines carry out with the external world core that communicates to connect, therefore, it is desirable to lightning data to transfer to master control cabinet 8.According to the utility model preferred embodiment, lightning monitoring device data transmission can adopt following path: lightning monitoring cabinet 6 is connected with change oar cabinet 18 by data transmission cable, is transferred to by the lightning data monitored and becomes oar cabinet 18.Afterwards, becoming oar cabinet 18 just can utilize existing data transmission link that lightning data is transferred to master control cabinet 8.Particularly, become between oar cabinet 18, slip ring 19, cabin cabinet 15 and master control cabinet 8 and connected by data line successively, lightning data is transferred to master control cabinet from change oar cabinet.Wherein, become oar cabinet 18 and by existing transmission line, lightning data can be transferred to cabin cabinet 15 via slip ring 19 and by the inside of dead axle 22 by lightning data, lightning data is transferred to master control cabinet 8 by existing transmission line (such as data transmission optical cable 12) by cabin cabinet 15 again, thus completes the transmission of whole lightning data.Such data transmission achieves the data transmission channel by " becoming oar cabinet-slip ring-cabin cabinet-master control cabinet ".This data transmission channel of the utility model embodiment utilizes the existing circuit in wind-driven generator to transmit dexterously, reduces cost, avoids separately laying PL Private Lines.
Above the structure and means of fixation etc. of the lightning monitoring device of the utility model embodiment are described in detail, will the content and data transfer mode etc. of lightning data be introduced below.
The lightning monitoring device of the utility model embodiment can monitor multiple lightning data, as number of lightning strokes, thunderbolt time, amplitude of lightning current, lightning current polarity, lightning current steepness, electric charge and energy etc.The second optical signal that thunder and lightning ANALYZER 61 pairs of optical fiber transducers 3 return is analyzed, generate above-mentioned lightning data, and then by computer (can be long-range server etc.), analysing and processing is carried out to lightning data, draw intensity of lightning, the information such as frequent degree and lightning strike probability of being struck by lightning, based on these information, can make the lightning-protection system of wind power generating set and adjust targetedly and propose corrective measure, and determine subsequent detection and the maintenance of wind power generating set.In addition, according to the lightning data of Real-Time Monitoring, can also judge whether to need to carry out emergency shutdown process to wind power generating set, to avoid or to reduce the generation of follow-up disaster, reduce lose from natural calamity.
Further, as shown in Figure 4, (full name of DP bus is ProfiBus-DP bus can to adopt DP bus between lightning monitoring cabinet 6 and change oar cabinet 18, it is the bus protocol of the high-speed data transfer for field layer, DP bus generally adopts RS-485 twisted-pair cable or optical cable as transmission cable) mode carry out data transmission, be connected by DP cable 14 between lightning monitoring cabinet 6 with change oar cabinet 18 as shown in Figure 4, DP cable 14 is adopted to be as the reason of the transmission line between lightning monitoring cabinet 6 and change oar cabinet 18 herein, the pattern that the data transfer mode of existing change oar cabinet 18 is DP bus, therefore, as shown in Figure 2, in order to can dock with the data-interface becoming oar cabinet 18, the monitoring device of the present embodiment can also be provided with PLC module 62, lightning data for thunder and lightning ANALYZER 61 being monitored is converted to the data format of DP bus.Lightning monitoring cabinet 6 and become between oar cabinet 18 and can also be connected with power cable 13, power cable 13, for providing power supply from the power taking cashier's office in a shop of change oar to give lightning monitoring cabinet 6, so also not be used in lightning monitoring cabinet 6 and arranges independently power supply.In addition, in order to avoid abnormal power-down, the monitoring device of the present embodiment can also comprise UPS module 63, for providing auxiliary power to thunder and lightning ANALYZER 61, thus ensure that the continuity of wind power generating set thunder and lightning on-line monitoring.
Conventional thunder and lightning ANALYZER externally carries out data management by standard ICP/IP protocol, and the utility model embodiment by setting up PLC module 62 on the basis of thunder and lightning ANALYZER 61, the data of standard ICP/IP protocol are read, then convert data to the data transmission format of DP bus by PLC agreement, then these data are sent to by the data transfer mode of DP bus and become oar cabinet 18 (being connected with DP cable between thunder and lightning ANALYZER 61 and change oar cabinet 18).By the data converting function of PLC module 62, the output signal of thunder and lightning ANALYZER 61 can be converted to and the DP bus transfer data form becoming oar cabinet 18 compatibility, add the data compatibility of thunder and lightning supervisory device and master control system.
In addition, in order to eliminate the inrush current in the data transmission link of lightning monitoring device, lightning protection device 66 can also be set in lightning monitoring cabinet 6.This lightning protection device 66 can be arranged on the data transmission link of the Ethernet between PLC module 62 and thunder and lightning ANALYZER 61, also can be arranged on the data transmission link of the DP bus be connected with PLC module 62.
In addition, thunder and lightning ANALYZER 61 also possesses data storage, for storing the lightning data that thunder and lightning ANALYZER 61 generates, at least can store the lightening activity of 500 times.Its data stored can comprise current polarity, maximum discharge current, electric current steepness, the quantity of electric charge and thunder energy, also can record the moment that thunder and lightning occurs.In addition, lightning data can also be derived by data output apparatus and analysis software with backup.So, the trackability of lightning data is ensured.
Alternatively, in the lightning monitoring device of above-mentioned wind power generating set, in lightning monitoring cabinet 6, wireless communication module 67 can also be set, the lightning data of thunder and lightning ANALYZER 61 generation is exported by this module, the lightning data of generation directly can be transferred to cabin cabinet 15 or master control cabinet 8 in the mode of radio communication, and do not use " becoming oar cabinet-slip ring-cabin cabinet-master control cabinet " this data transmission channel, thus the linkage structure of transmission cable can be simplified.
In addition, the lightning monitoring device of wind power generating set is mounted in outdoor, for reducing device by the impact of natural causes, the working life of extension fixture, the cabinet to lightning monitoring device of the utility model embodiment has carried out encapsulation process, and the various cables for turnover cabinet have also carried out encapsulation process.Such as, the mode of PG locknut all can be adopted DP cable and lightning monitoring cabinet 6 to enter cabinet with the connection interface becoming oar cabinet 18, the optical cable (corresponding to optical fiber 4) of connecting fiber sensor 3 and thunder and lightning ANALYZER 61 also enters cabinet by the mode of PG locknut, in addition, lightning monitoring cabinet 6 is introduced from the mode becoming cable that oar cabinet 18 introduces power supply (being generally 230V DC electrical source, is 240V DC electrical source for more than 2.0MW wind power generating set) and also use PG locknut.
In addition, the lightning monitoring device being arranged at the utility model embodiment on each wind-driven generator can be linked into SCADA system (data capture and supervisor control, this system is a part for the master control system of Wind turbines) in, to realize atmospherics monitoring and data analysis.Such as, be connected with SCADA system by master control cabinet 8, wherein, SCADA system comprises control server 101 and remote monitoring server 102 on the spot, control server 101 is connected with the master control cabinet 8 of multiple wind-driven generator on the spot, for obtaining lightning data and store from master control cabinet 8; Remote monitoring server 102 is connected with described control server on the spot 101 by network, can conduct interviews in remote access mode to the lightning data in control server 101 on the spot.See Figure 10, the lightning monitoring device (1-N) of wind power generating set is sent to control server 101 on the spot by center switch by after lightning data conversion, lightning data is transferred to remote monitoring server 102 by router through VPN by control server 101 on the spot, after remote monitoring server 102 obtains lightning data, read by instruments such as corresponding analysis software on monitoring computer, download, obtain lightning data, thus realize atmospherics monitoring and data analysis.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (16)
1. a lightning monitoring device for wind power generating set, is characterized in that, comprises optical fiber transducer, thunder and lightning ANALYZER and the first optical fiber be connected between described optical fiber transducer and described thunder and lightning ANALYZER and the second optical fiber,
Described optical fiber transducer is arranged on the lightning protection downlead of root of blade;
Described thunder and lightning ANALYZER is used for sending the first optical signal by described first optical fiber to described optical fiber transducer, and receives by described second optical fiber the second optical signal returned, and carries out analysis generate lightning data to described second optical signal.
2. lightning monitoring device according to claim 1, is characterized in that, described first optical fiber is connected with described optical fiber transducer by push-pull mode interface with described second optical fiber.
3. lightning monitoring device according to claim 1 and 2, it is characterized in that, the quantity of described optical fiber transducer is three, on the lightning protection downlead being separately positioned on three roots of blade, and is connected with described thunder and lightning ANALYZER with three described second optical fiber by three described first optical fiber.
4. lightning monitoring device according to claim 1, is characterized in that, described lightning monitoring device also comprises lightning monitoring cabinet, and described thunder and lightning ANALYZER is arranged in described lightning monitoring cabinet.
5. lightning monitoring device according to claim 4, is characterized in that, described lightning monitoring cabinet is arranged on air guide sleeve fore poppet.
6. lightning monitoring device according to claim 4, is characterized in that, described lightning monitoring cabinet is arranged on and becomes on oar cabinet fixed support.
7. lightning monitoring device according to claim 5, is characterized in that, described lightning monitoring cabinet is arranged on the link position place of described air guide sleeve fore poppet and wheel hub, and being bolted on described air guide sleeve fore poppet by described air guide sleeve fore poppet.
8. lightning monitoring device according to claim 3, is characterized in that, the outer side covers of described optical fiber transducer has glass cloth, and described glass cloth and described root of blade bond, on the lightning protection downlead described optical fiber transducer being fixed on described root of blade.
9. lightning monitoring device according to claim 4, is characterized in that, described lightning monitoring cabinet is connected with change oar cabinet by data transmission cable, the lightning data monitored is transferred to described change oar cabinet.
10. lightning monitoring device according to claim 9, is characterized in that, is connected successively between described change oar cabinet, slip ring, cabin cabinet and master control cabinet by data line, and described lightning data is transferred to described master control cabinet from described change oar cabinet.
11. lightning monitoring devices according to claim 9, it is characterized in that, the mode of DP bus is adopted to carry out data transmission between described lightning monitoring cabinet and change oar cabinet, described lightning monitoring cabinet is also provided with PLC module, be connected with described thunder and lightning ANALYZER, the lightning data for thunder and lightning ANALYZER is monitored be converted to described DP bus data format and by DP bus transfer give described change oar cabinet.
12. lightning monitoring devices according to claim 11, it is characterized in that, also lightning protection device is provided with in described lightning monitoring cabinet, on the data transmission link that described lightning protection device is arranged on the Ethernet between described PLC module with described thunder and lightning ANALYZER or be arranged on the data transmission link of the DP bus be connected with described PLC module, for eliminating the inrush current in data transmission link.
13. lightning monitoring devices according to claim 4, is characterized in that, are also provided with wireless communication module in described lightning monitoring cabinet, are connected with described thunder and lightning ANALYZER, for exporting the lightning data that described thunder and lightning ANALYZER generates.
14. lightning monitoring devices according to claim 4, is characterized in that, described lightning monitoring cabinet is connected with change oar cabinet by electric power transfer cable, obtains electric power from described change oar cabinet.
15. lightning monitoring devices according to claim 14, is characterized in that, are also provided with UPS module in described lightning monitoring cabinet, for providing auxiliary power to described thunder and lightning ANALYZER.
16. lightning monitoring devices according to claim 10, is characterized in that, described master control cabinet is connected with supervisor control with data capture,
Described data capture and supervisor control comprise control server and remote monitoring server on the spot, and described control server is on the spot connected with the master control cabinet of multiple wind-driven generator, for obtaining lightning data from described master control cabinet and storing; Described remote monitoring server is connected with described control server on the spot by network, can conduct interviews in remote access mode to the lightning data in described control server on the spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445910.6U CN204041361U (en) | 2014-08-07 | 2014-08-07 | The lightning monitoring device of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445910.6U CN204041361U (en) | 2014-08-07 | 2014-08-07 | The lightning monitoring device of wind power generating set |
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| Publication Number | Publication Date |
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| CN204041361U true CN204041361U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420445910.6U Withdrawn - After Issue CN204041361U (en) | 2014-08-07 | 2014-08-07 | The lightning monitoring device of wind power generating set |
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| CN (1) | CN204041361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198827A (en) * | 2014-08-07 | 2014-12-10 | 新疆金风科技股份有限公司 | Thunder and lightning monitoring device of wind power generator set |
| CN108979979A (en) * | 2018-08-31 | 2018-12-11 | 观为监测技术无锡股份有限公司 | Lightning monitoring device, Wind turbines, Wind turbines monitoring system and monitoring method |
-
2014
- 2014-08-07 CN CN201420445910.6U patent/CN204041361U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198827A (en) * | 2014-08-07 | 2014-12-10 | 新疆金风科技股份有限公司 | Thunder and lightning monitoring device of wind power generator set |
| CN108979979A (en) * | 2018-08-31 | 2018-12-11 | 观为监测技术无锡股份有限公司 | Lightning monitoring device, Wind turbines, Wind turbines monitoring system and monitoring method |
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