CN204128595U - A kind of wind turbine state monitoring apparatus - Google Patents
A kind of wind turbine state monitoring apparatus Download PDFInfo
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- CN204128595U CN204128595U CN201420538294.9U CN201420538294U CN204128595U CN 204128595 U CN204128595 U CN 204128595U CN 201420538294 U CN201420538294 U CN 201420538294U CN 204128595 U CN204128595 U CN 204128595U
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Abstract
The utility model relates to a kind of wind turbine state monitoring apparatus, comprising: the SCADA data acquisition module that wind turbine is established, monitor component device and the controller be connected respectively with SCADA data acquisition module with monitor component device; The high speed shaft of wind turbine and the two ends peripheral part of slow-speed shaft are arranged with the bearing be arranged on the housing of gear case respectively, the damping spring of each bearing also respectively through radially extending is connected with the housing of gear case, damping spring is respectively equipped with detect damping spring stroke, constituent components supervising device displacement transducer at least partially; Described displacement transducer comprises the probe being located at damping spring first end and the reflector being located at the second end; The axis of probe and the perpendicular setting of reflector, the detection grating vertical sand shooting that probe is sent is to reflector and be reflected back probe place.By said apparatus, to reduce the vibration displacement of high speed shaft and slow-speed shaft; And by displacement transducer, draw the accurate vibration displacement amount of wind turbine assembly.
Description
Technical field
The utility model relates to a kind of wind turbine state monitoring apparatus of power industry.
Background technology
The safety of unit equipment is gived top priority by the management of modern electricity power enterprise invariably.
At present, the condition monitoring system of wind energy turbine set generally adopts SCADA data acquisition module to build, and described SCADA data acquisition module can monitor the wind turbine real time execution operating mode such as generated output, resistance of wind turbine.
As shown in Figure 1, in prior art, wind turbine is provided with described SCADA data acquisition module 31, the wind turbine real time execution operating modes such as the generated output of wind turbine, resistance to be carried out gathering and to be converted to electric signal, sends to the data server 2 of wind energy turbine set through transmission channel; The carrying out of each wind turbine in wind energy turbine set gathers by data server 2, and the communication module that the data after gathering are arranged on data server 2 is transferred to the data collection server 1 of Surveillance center, achieve the object that Surveillance center understands each wind turbine operating condition in each wind energy turbine set in real time.
But, because SCADA data acquisition module is only the collection to wind turbine real time execution operating mode, and lack the monitoring to each assembly of wind turbine, make each component operation state cannot recognizing wind turbine in time, effectively management is lacked to each assembly.After situation appears in wind turbine, need staff's view of the scene, add maintenance cost; Meanwhile, the maintenance of wind turbine, guarantee is unfavorable for.
For solving the problem, prior art document provides some and improves, such as:
Application number is the Chinese patent of CN201020534083.X, it discloses the technical scheme that vibration transducer is set respectively on each assembly of wind turbine: described vibration transducer group comprises forward spindle bearing radial vibration sensor, forward spindle bearing shaft is to vibration transducer, rear main shaft bearing axial vibration sensor, flexible supporting frames vibration transducer I, flexible supporting frames vibration transducer II, gear case inlet end axial vibration sensor, gear case gear ring vibration transducer, one-level parallel shafts radial vibration sensor, high speed shaft output shaft axial vibration sensor, load end vibration transducer outside load end vibration transducer and generator inside generator.
But, due in high speed shaft and the slow-speed shaft course of work, be in rotation status all the time; Therefore, which kind of vibration transducer be installed and how vibration transducer be installed, to realize the vibration displacement amount accurately detecting high speed shaft and slow-speed shaft, becoming urgent problem.
And in the middle of prior art, monitoring grating is utilized to judge the displacement transducer widespread use in multiple field of position light therebetween, its principle of work is as follows: probe launches detection grating, detect grating and transfer to the reflector place be made up of each several part of different reflecting rate, detection optical grating reflection is returned probe by reflector.After position between probe and reflector changes, detect the reflector part place that grating exposes to different reflecting rate, make the detection grating color change reflected, probe judges the displacement variable between probe and reflector according to the detection grating received.But, also do not apply displacement sensors to monitor the technical scheme of wind turbine vibration displacement.
Based on needing above and shortcoming, special proposition the utility model.
Utility model content
The utility model provides a kind of wind turbine state monitoring apparatus, to realize the Real-time Collection of fan assembly working condition and to upload.Another object of the present utility model is to provide a kind of sensor, accurately to detect each assembly vibration displacement amount of wind turbine.
The technical solution of the utility model is: a kind of wind turbine state monitoring apparatus, comprising: the SCADA data acquisition module that wind turbine is established, monitor component device and the controller be connected respectively with SCADA data acquisition module with monitor component device; Described wind turbine comprises the driving-chain be at least made up of high speed shaft, gear case, slow-speed shaft, generator; Stretch in the housing of gear case respectively, be meshed with the gear set in housing in one end of high speed shaft and slow-speed shaft; The two ends peripheral part of high speed shaft and slow-speed shaft is arranged with bearing respectively, described bearing is fixedly mounted on the housing of gear case respectively, the damping spring of each bearing also respectively through extending along corresponding high speed shaft or slow-speed shaft radial direction is connected with the housing of gear case, damping spring is respectively equipped with detection damping spring stroke, constituent components supervising device at least partially, the displacement transducer of detection components Vibration Condition; Described displacement transducer comprises the probe being located at damping spring first end, and is located at the reflector of the second end; The axis of probe and the perpendicular setting of reflector, the detection grating vertical sand shooting that probe is sent is to reflector and be reflected back probe place.
Further, described displacement transducer comprise be located at damping spring first end, to send to the second end and detect the probe of grating, be located at the second end, with corresponding setting of popping one's head in, reflect the reflector detecting grating; The axis of probe and the perpendicular setting of reflector, make detection grating vertical sand shooting to reflector and be reflected back probe place.
Further, described damping spring two ends are connected with bearing with the housing of gear case respectively.
Further, described reflector extends along the axis perpendicular direction of damping spring, be provided with the light-reflecting portion of the different reflecting rate of multistage, and the reflecting rate of each light-reflecting portion from top to bottom arranged reduces gradually successively or arranges with raising.
Further, when wind turbine does not work, described probe axis is mutually concordant with the light-reflecting portion of reflector center.
Further, described probe is located on bearing; Described reflector is located in inner walls.
Further, bearing outer wall is provided with the first projection that radially protrude, that be connected with damping spring; The first described projection is provided with the connecting link extended along bearing tangential direction; Described connecting link is provided with probe; One end of connecting link is connected with the first projection, the unsettled setting of the other end; Described free end is provided with probe, and described probe axis and connecting link axis perpendicular are arranged, and the detection grating vertical sand shooting that probe is launched is to reflector.
Further, the inwall of housing is provided with the second projection that radially-inwardly protrude along bearing, that be connected with damping spring; The second described projection is provided with the connecting link extended along bearing tangential direction; Described connecting link is provided with reflector, and each several part of reflector to reduce gradually successively by reflecting rate along connecting link axis direction or arranges with raising.
Further, the sheathed bearing of high speed shaft and/or slow-speed shaft periphery is connected with housing respectively through two damping springs; The axis perpendicular of two damping springs is arranged.
Further, described monitor component device also comprises, speed probe that in driving-chain, an arbitrary assembly is established, that monitor corresponding assembly rotating speed; Temperature sensor that in driving-chain, at least one assembly is established, that monitor corresponding assembly temperature.
Further, described housing forms the chamber of a sealing, described high speed shaft, gear case, slow-speed shaft be located in chamber at least partially, be filled with lubricating oil in described chamber, the madial wall of described chamber is provided with the temperature sensor detecting oil temperature.
Further, be provided with the high speed tooth through high speed shaft driven rotary and the low speed tooth through slow-speed shaft driven rotary in described gear case, described high speed tooth is directly meshed with low speed tooth; Or described high speed tooth is meshed through at least one driving cog with low speed tooth.
Further, described controller 34 is connected with UPS Uninterruptible Power Module 36.
Further, described controller 34 is connected with data memory module 37.
Further, described controller 34 is provided with output interface 35.
Further, described wind turbine comprises the driving-chain be at least made up of high speed shaft 4, gear case 7, slow-speed shaft, generator.
Further, described monitor component device 32 comprise in wind turbine driving-chain, an arbitrary assembly is arranged respectively, for monitor corresponding assembly vibration vibration transducer.
Further, described monitor component device 32 comprises, speed probe that in driving-chain, arbitrary assembly is established, that monitor corresponding assembly rotating speed.
Further, described monitor component device 32 comprises, temperature sensor that in driving-chain, at least one assembly is established, that monitor corresponding assembly temperature.
Further, described controller 34 is connected with DSP data processing module 38.
Further, the output interface 35 of controller 34 is connected with the data server 2 of wind energy turbine set through optical-fibre channel.
The beneficial effects of the utility model are:
1, by above-mentioned setting, the real-time monitoring to blower fan each assembly Vibration Condition is achieved, to realize the Real-time Collection to fan assembly working condition; And realize the object uploaded of data to the data server of wind energy turbine set through output interface.More particularly, the assembly of wind turbine arranges speed probe, make to realize gathering to the speed conditions of wind turbine.Meanwhile, set temperature sensor on the assembly of wind turbine, can directly monitoring to the running temperature of Wind turbines assembly, for Surveillance center provides technical information on the other hand;
2, by installing the damping spring be connected with housing additional at bearing place, to reduce the vibration displacement of high speed shaft and slow-speed shaft, the object of damping, buffering is reached;
3, by arranging by the displacement transducer of popping one's head in and reflector is formed at bearing place, the Oscillation Amplitude of bearing is drawn, to draw the vibration displacement amount of corresponding wind turbine assembly;
4, by arranging two displacement transducers of axis perpendicular on bearing, level and the vertical vibrating displacement of bearing is drawn, to improve the monitoring accuracy to wind turbine;
5, simple, the Be very effective of the utility model structure, is suitable for promoting the use of.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of Wind turbines condition monitoring system in prior art;
Fig. 2 is the structural representation of Wind turbines condition monitoring system in the utility model;
Fig. 3 is the structural representation of the utility model apoplexy motor status monitoring device;
Fig. 4 is the structural representation of the utility model middle gear case;
Fig. 5 is the structural representation of the utility model one embodiment middle gear case;
Fig. 6 is the structural representation of the first displacement transducer of the utility model;
Fig. 7 is the structural representation of the utility model the second displacement transducer;
Fig. 8 is the structural representation of another embodiment middle gear case of the utility model;
Fig. 9 is the structural representation of the third displacement transducer of the utility model;
Figure 10 is the structural representation of the utility model the 4th kind of displacement transducer;
Figure 11 is the structural representation of the utility model embodiment middle gear case again;
Figure 12 is the structural representation of the utility model the 5th kind of displacement transducer;
Figure 13 is that meeting of reflector of the present utility model detects grating face structural representation;
Figure 14 is that meeting of reflector of the present utility model detects the another kind of structural representation in grating face;
Figure 15 is probe cross section structure schematic diagram of the present utility model;
Component description: 1-data collection server, 2-data server, 3-wind turbine state monitoring apparatus, 31-SCADA data acquisition module, 32-monitor component device, 34-controller, 35-output interface, 36-UPS Uninterruptible Power Module, 37-data memory module, 38-DSP data processing module, 4-high speed shaft, 5-displacement transducer, 51-probe, 52-reflector, 53-the second connecting portion, 54-the first connecting portion, 55-head rod, 56-the second connecting link, 6-bearing, 61-clutch shaft bearing, 62-the second bearing, 63-the three bearing, 7-gear case, 70-housing, 71-transmission gear, 72-low speed gear, 73-high gear, 74-the first is protruding, 75-the second is protruding, 8-temperature sensor, 9-decoupling rod, 91-fixed bar, 92-expansion link, 93-the first hinge, 94-the second hinge, 10-damping spring, 11-slow-speed shaft, 12-intermediate shaft, 511-through hole, 512-lamp source, 513-chip.
Embodiment
As shown in Figure 2, present embodiment discloses a kind of Wind turbines condition monitoring system, comprising: the data collection server 1 of Surveillance center, data server 2 that be connected with data collection server 1, that be located at wind energy turbine set; Described data server is connected with the wind turbine state monitoring apparatus that wind turbine each in wind energy turbine set is established; Described wind turbine state monitoring apparatus comprises SCADA data acquisition module 31 and monitor component device 32 that wind turbine is established, and described monitor component device is connected with controller respectively with SCADA data acquisition module.
Described controller 34 is provided with output interface 35.The output interface of controller is connected with the data server of wind energy turbine set through optical-fibre channel, achieves the object that wind turbine Real-time Monitoring Data that wind turbine state monitoring apparatus obtains is uploaded to the data server of wind energy turbine set.
Data server is connected with the data collection server of Surveillance center through communication module.Described communication module is made up of the interface matched with Ethernet, described interface is connected with the data collection server of Surveillance center through Ethernet, achieve the transmission of two-way between the data server of wind energy turbine set and the data collection server of Surveillance center exchanges data, make the real-time monitoring that Surveillance center can realize wind turbine.
As shown in Figure 3, in the present embodiment, described wind turbine state monitoring apparatus, comprising: SCADA data acquisition module, and described wind turbine is provided with monitor component device, and described monitor component device is connected with controller respectively with SCADA data acquisition module.
Described controller 34 is connected with UPS Uninterruptible Power Module 36, and preferred described UPS Uninterruptible Power Module 36 is made up of power supply box, to ensure the uninterrupted power supply of controller.
Described controller 34 is connected with data memory module 37, preferred described data memory module 37 is made up of data-carrier store, the real time data of each component operation situation of the wind turbine that the wind turbine working condition of monitoring with the SCADA data acquisition module 31 received by controller 34 and monitor component device 32 monitor stores, to avoid the loss of data.
Described controller 34 is connected with DSP data processing module 38, the real time data of the wind turbine working condition that the SCADA data acquisition module 31 that described DSP data processing module 38 pairs of controllers 34 receive is monitored and each component operation situation of wind turbine that monitor component device 32 monitors carries out pre-service, generate preprocessed signal, and reaching controller 34 place, preprocessed signal is uploaded to the data server 2 of wind energy turbine set by controller 34 through output interface 35.
As shown in Figure 4, described wind turbine comprises the driving-chain be at least made up of high speed shaft, gear case, slow-speed shaft, generator.Each assembly that described monitor component device 3 at least comprises wind turbine driving-chain is arranged respectively, for monitoring the vibration transducer of corresponding assembly vibration.
Embodiment one
As shown in Figure 5, in the present embodiment, the peripheral part of high speed shaft 4 and slow-speed shaft 11 is arranged with bearing 6 respectively, and described bearing 6 is fixedly mounted on the housing 70 of gear case 7 respectively.The decoupling rod 9 of each bearing 6 also respectively through extending along corresponding high speed shaft 4 or slow-speed shaft 11 radial direction is connected with the housing 70 of gear case 7, decoupling rod 9 be provided with detection decoupling rod 9 stroke, constituent components supervising device at least partially, the displacement transducer 5 of detection components Vibration Condition.
In the present embodiment, described high speed shaft 4 is installed on housing 70 through clutch shaft bearing 61, and slow-speed shaft 11 is installed on housing 70 through the second bearing 62; Described clutch shaft bearing 61 and the second bearing 62 have part to protrude the setting of housing 70 inwall respectively, connect for decoupling rod 9.Preferably, the housing 70 of gear case 7 is square, and clutch shaft bearing 61 and the second bearing 62 are all located on the sidewall of same pair of opposing, and the other end of each decoupling rod 9 is connected respectively with the sidewall of the another pair of opposing of housing 70 respectively.
As shown in Figure 6, in the present embodiment, the fixed bar 91 that described decoupling rod 9 comprises a hollow be sleeved in fixed bar 91 hollow chamber, can axially produce the expansion link 92 of displacement by relative fixed bar 91.One end first hinge 93 of described fixed bar 91 is connected with housing 70 is rotatable, the other end and expansion link 92 can be connected in the socket of relative telescopic, and it is outside and be connected through the sheathed bearing 6 of the second hinge 94 and corresponding high speed shaft 4 or slow-speed shaft 11 outside is rotatable that the other end of expansion link 92 is in fixed bar 91.
In the present embodiment, Packed skin valve (not indicating in the accompanying drawings) is established in the end of the expansion link 92 in fixed bar 91 hollow bulb, make to form airtight chamber in fixed bar hollow chamber, gas or liquid is filled with in chamber, airtight chamber be provided with less, with the through hole of ft connection, to provide buffer action power to the relative movement between fixed bar and expansion link, reach the object vibration of bearing being provided to damping.
As shown in Figure 6, in the present embodiment, described displacement transducer 5 comprises the reflector 52 be located on fixed bar 91, and described reflector 52 comprises the light-reflecting portion of the different reflecting rate of multistage, and each light-reflecting portion reduces gradually successively along fixed bar 91 axis direction, reflecting rate or arranges with raising; Displacement transducer 5 also comprise be fixedly connected with expansion link 92 through connecting portion, be located at the corresponding portion of reflector 52, launch probe 51 that detect grating, that be received from the detection grating that reflector 52 place is reflected to reflector 52.The axis of described probe 51 and the perpendicular setting of reflector 52, the inspection grating vertical sand shooting that probe 51 is sent is to reflector 52, and be reflected back probe 51 place, make probe 51 can receive from the reflection of reflector 52 place, change the detection grating after color, to detect corresponding high speed shaft 4 or slow-speed shaft 11 at bearing 6 vibration displacement in the radial direction.Preferably, when wind turbine does not work, the probe axis of 51 and the concordant setting of center light-reflecting portion of reflector 52.
Thus, produce vibration displacement under bearing 6 is driven by the high speed shaft 4 of correspondence or slow-speed shaft 11 after, position between probe 51 and reflector 52 changes, make to detect grating according to the different light-reflecting portion to reflector 52, and the reflecting rate of each light-reflecting portion is different, make color and/or the reflecting rate change of reflecting detection grating, the reflection grating information making probe 51 place receive changes, and accurately can draw the vibration displacement amount of high speed shaft 4 or slow-speed shaft 11 thus.
As shown in Figure 6, in the present embodiment, described connecting portion comprises the first connecting portion 54 extended along expansion link 92 radial direction and the second connecting portion 53 extended along expansion link 92 axial direction; The two ends of the first connecting portion 54 are connected with expansion link 92 one end with the second connecting portion 53 respectively, the unsettled corresponding position extending to reflector 52 of the other end of the second connecting portion 53.Described probe 51 is arranged at the free end of the second connecting portion 53, and described probe 51 axis extends along the axis perpendicular direction of expansion link 92, and the detection grating vertical sand shooting that probe 51 is sent is to reflector 52.
Preferably, the first described connecting portion 54 protrudes in the radial direction along expansion link 92 loop configuration extended, and the outer circumference diameter of ring texture is greater than the outer circumference diameter of fixed bar 91, inner circumferential is connected with expansion link 92.Distance between described ring texture and fixed bar is L1, and described distance L1 equals the distance of stretch out and draw back of reflector 52 along fixed bar 91 axial direction.Thus, expansion link 92 and fixed bar 91 produce be moved to fixed bar 91 contact with the first connecting portion 54 time, the first connecting portion 54 produces restriction, prevents from producing over-large displacement mistake between expansion link 92 and fixed bar 91, causes decoupling rod to damage; Meanwhile, can prevent high speed shaft 4 or slow-speed shaft 11 from producing vibration displacement by a relatively large margin, the assembly of wind turbine is damaged.
In the present embodiment, the sheathed bearing 6 of high speed shaft 4 and/or slow-speed shaft 11 periphery is connected with housing 70 respectively through two decoupling rods 9; The axis perpendicular of two decoupling rods 9 is arranged, to detect horizontal direction vibration and the vertical direction vibration of high speed shaft 4 and/or slow-speed shaft 11 respectively.
Embodiment two
As shown in Fig. 7 and Figure 11, Figure 12, in the present embodiment, described displacement transducer comprise 5 comprise be located on fixed bar 91 or housing 70, along bearing 6 tangential direction extend reflector 52, probe 51 with being located on expansion link 92 or bearing, axis and extending along bearing 6 radial direction, makes probe 51 send and detects grating vertical sand shooting to reflector 52.Described reflector 52 comprises the light-reflecting portion of the different reflecting rate of multistage, and each light-reflecting portion successively gradually to reduce respectively to two ends along the tangential direction of bearing 6, reflecting rate from middle or arrange with raising.Thus, the detection grating vertical sand shooting that probe 51 sends is to reflector 52, and be reflected back probe 51 place, make probe 51 can receive from the reflection of reflector 52 place, change the detection grating after color, to detect corresponding high speed shaft 4 or the vibration displacement of slow-speed shaft 11 in bearing 6 tangential direction.Preferably, when wind turbine does not work, the probe axis of 51 and the concordant setting of center light-reflecting portion of reflector 52.
As shown in Figure 7, in the present embodiment, described bearing 6 is provided with the first projection 74 radially outward protruded along bearing, and the first described projection 74 is provided with pin-and-hole that connect for expansion link 92, that form the second hinge 94.First projection 74 is also provided with the head rod 55 extended along bearing 6 tangential direction, one end of head rod 55 is connected with the first projection 74, the unsettled setting of the other end.The free end of head rod 55 is provided with axis and the perpendicular probe 51 of head rod 55.
In the present embodiment, the sheathed bearing 6 of high speed shaft 4 and/or slow-speed shaft 11 periphery is connected with housing 70 respectively through two decoupling rods 9; The axis perpendicular of two decoupling rods 9 is arranged, to detect horizontal direction vibration and the vertical direction vibration of high speed shaft 4 and/or slow-speed shaft 11 respectively.
As shown in figure 12, in the present embodiment, decoupling rod 9 can not also be set, bearing 6 directly be arranged the first projection 74 radially outward protruded along bearing.First projection 74 is provided with the probe 51 that axis extends along bearing 6 radial direction, and the housing 70 corresponding with probe 51 is provided with reflector 52.
Embodiment three
As shown in Figure 8, in the present embodiment, described high speed shaft 4 and the peripheral part of slow-speed shaft 11 are arranged with bearing 6 respectively, described bearing 6 is fixedly mounted on the housing 70 of gear case 7 respectively, the damping spring 10 of each bearing 6 also respectively through extending along corresponding high speed shaft 4 or slow-speed shaft 11 radial direction is connected with the housing 70 of gear case 7, damping spring 10 is respectively equipped with detection damping spring 10 stroke, constituent components supervising device at least partially, the displacement transducer 5 of detection components Vibration Condition.
As shown in Figure 9, in the present embodiment, described displacement transducer 5 comprise that the first end of damping spring 10 is established, to send to damping spring 10 second end probe 51, second end detecting grating be provided with 51 corresponding settings of popping one's head in, reflect the reflector 52 detecting grating.The axis of probe 51 and the perpendicular setting of reflector 52, make detection grating vertical sand shooting to reflector 52 and make the detection grating of reflection reach probe 51 place, order probe receives the detection grating being changed color by reflector, the vibration displacement of probe along bearing tangential direction is drawn, to draw high speed shaft 4 or slow-speed shaft 11 vibration displacement along bearing tangential direction according to the detection grating that receives.
As shown in Figure 10, in the present embodiment, described bearing 6 is provided with the first projection 74 radially outward protruded along bearing, and described first protruding 74 is connected with one end of damping spring 10; The inwall of housing 70 is provided with the second projection 75 radially-inwardly protruded along bearing, and described second protruding 75 is connected with the other end of damping spring 10.
As shown in Figure 10, the first projection 74 is also provided with the head rod 55 extended along bearing 6 tangential direction, one end of head rod 55 is connected with the first projection 74, the unsettled setting of the other end.The free end of head rod 55 is provided with axis and the perpendicular probe 51 of head rod 55.Housing 70 inwall of gear case 7 is provided with reflector 52, described reflector and probe 51 corresponding settings, each light-reflecting portion of reflector, along the axis direction of head rod 55, to reduce gradually successively to the other end from one end by reflecting rate or raises or to reduce gradually respectively to two ends from middle or arrange with raising.Preferably, when wind turbine does not work, the probe axis of 51 and the concordant setting of center light-reflecting portion of reflector 52.
In the present embodiment, the sheathed bearing 6 of high speed shaft 4 and/or slow-speed shaft 11 periphery is connected with housing 70 respectively through two damping springs 10; The axis perpendicular of two damping springs 10 is arranged, to detect horizontal direction vibration and the vertical direction vibration of high speed shaft 4 and/or slow-speed shaft 11 respectively.
As shown in Figure 9, all right, the axis of the second connecting link 56, second connecting link 56 and the axis perpendicular of damping spring 10 are set in the end that damping spring 10 is connected with housing 70.One end of second connecting link 56 is connected with damping spring 10, the unsettled setting of the other end.The free end of the second connecting link 56 is provided with reflector 52.
Embodiment four
As shown in Fig. 4 to Figure 12, in the utility model, in described gear case 7, be provided with the high gear 73 through high speed shaft 4 driven rotary, and through the low speed gear 72 of slow-speed shaft 11 driven rotary.Described high gear 73 can directly be meshed with low speed gear 72; Also can be meshed through at least one transmission gear 71 with low speed gear 71 by high gear 4.The axle center place of described transmission gear 71 is connected with intermediate shaft 12, and intermediate shaft 12 is installed on housing 70 through the 3rd bearing 63.The 3rd described bearing 63 be provided with at least one as arbitrary in embodiment one to three as described in displacement transducer 5.Preferably, the 3rd bearing is provided with the displacement transducer 5 of two axis perpendicular.
Embodiment five
In the present embodiment, described monitor component device 3 also comprises, temperature sensor 8 that in driving-chain, at least one assembly is established, that monitor corresponding assembly temperature.
As shown in Fig. 4 to Figure 12, be provided with intermeshing gear teeth wheels in described gear case 7, preferred described gear set comprises high gear 72, speed gear 71, low speed gear 73, to realize successively decreasing to the rotating speed of low speed gear 73 from high gear 72.Lubricating oil is filled with, so that the transmission of power between gear in described gear case 7.The inwall of described gear case 7 is provided with temperature sensor 8 with the working temperature situation of detection of gear case 7, and is that electric signal sends to controller 34 by detected temperature transition.Preferably, gear case 7 inside is located at by described temperature sensor 8 and lubricated oil did not have, and with the temperature value by lubricating oil in detection of gear case 7, draws the temperature of each assembly.
Embodiment six
In the present embodiment, described monitor component device also comprises, speed probe that in driving-chain, an arbitrary assembly is established, that monitor corresponding assembly rotating speed.Preferably, described high speed shaft is provided with speed probe, to monitor the rotating speed of high speed shaft.All rotate according to a stable drive ratio between each assembly due to driving-chain, therefore after obtaining the rotating speed of high speed shaft, can derive and calculate other each assemblies on driving-chain: the rotating speed of gear case, slow-speed shaft, generator, achieve the real-time monitoring (not indicating in the accompanying drawings) of each assembly rotating speed to wind turbine.
Embodiment seven
As shown in figure 13, one end of reflector 52 is to the relative other end, and each light-reflecting portion raises gradually according to reflecting rate or arranges successively with reducing.As shown in figure 13, meeting on detection grating face of reflector 52 is placed with multiple light-reflecting portion A to M, and the reflecting rate of each light-reflecting portion successively decreases to M gradually successively from A.
All right, as shown in figure 14, the center of reflector 52 is to two ends, and each light-reflecting portion raises gradually according to reflecting rate successively or arranges with reducing.As shown in figure 14, the meeting of reflector 52 is detected and grating face is placed with the light-reflecting portion A to the light-reflecting portion G of end of multiple light-reflecting portion by center, and the reflecting rate of each light-reflecting portion successively decreases to G gradually successively from A.The symmetrical setting of light-reflecting portion A to G of both sides.
As shown in figure 15, described probe 51 is connected with data line; Described probe 51 comprises shell, and the axis along shell is from up to down provided with the through hole 511 running through cover top portion successively, launches the lamp source 512 detecting grating and the chip 513 receiving detection grating.Be fixedly connected with the bearing 6 of high speed shaft 4 or slow-speed shaft 11 bottom described probe 51; Preferably, probe is welded and fixed mutually with bearing.Preferably, described lamp source 512 sends that extend along probe axis, that launch to through hole 511 place, unidirectional white detection grating; Detect grating vertical sand shooting to reflector, the reflection grating changing color is reflected into by the light-reflecting portion of different reflecting rate, reflection grating is injected in probe along through hole 511 again, and through 512 to chip 513 place, lamp source that light-transmitting materials is formed, make chip 513 receive only the detection grating reflected from reflector 52, judge the position relationship between probe and reflector with this.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present utility model, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion drops in protection domain of the present utility model.
It will be understood by those skilled in the art that specific descriptions are above to explain the purpose of this utility model, not for limiting the utility model.Protection domain of the present utility model is by claim and equivalents thereof.
Claims (10)
1. a wind turbine state monitoring apparatus, comprising: the SCADA data acquisition module that wind turbine is established, monitor component device and the controller be connected respectively with SCADA data acquisition module with monitor component device; Described wind turbine comprises the driving-chain be at least made up of high speed shaft, gear case, slow-speed shaft, generator; Stretch in the housing of gear case respectively, be meshed with the gear set in housing in one end of high speed shaft and slow-speed shaft;
It is characterized in that: the two ends peripheral part of high speed shaft and slow-speed shaft is arranged with bearing respectively, described bearing is fixedly mounted on the housing of gear case respectively, the damping spring of each bearing also respectively through extending along corresponding high speed shaft or slow-speed shaft radial direction is connected with the housing of gear case, damping spring is respectively equipped with detection damping spring stroke, constituent components supervising device at least partially, the displacement transducer of detection components Vibration Condition;
Described displacement transducer comprises the probe being located at damping spring first end, and is located at the reflector of the second end; The axis of probe and the perpendicular setting of reflector, the detection grating vertical sand shooting that probe is sent is to reflector and be reflected back probe place.
2. a kind of wind turbine state monitoring apparatus according to claim 1, is characterized in that: described damping spring two ends are connected with bearing with the housing of gear case respectively.
3. a kind of wind turbine state monitoring apparatus according to claim 1, it is characterized in that: described reflector extends along the axis perpendicular direction of damping spring, be provided with the light-reflecting portion of the different reflecting rate of multistage, the reflecting rate of each light-reflecting portion from top to bottom arranged reduces gradually successively or arranges with raising.
4., according to the arbitrary described a kind of wind turbine state monitoring apparatus of claims 1 to 3, it is characterized in that: described probe is located on bearing; Described reflector is located in inner walls.
5. according to the arbitrary described a kind of wind turbine state monitoring apparatus of claims 1 to 3, it is characterized in that: bearing outer wall is provided with the first projection that radially protrude, that be connected with damping spring; The first described projection is provided with the connecting link extended along bearing tangential direction; Described connecting link is provided with probe.
6. a kind of wind turbine state monitoring apparatus according to claim 5, is characterized in that: the inwall of housing is provided with the second projection that radially-inwardly protrude along bearing, that be connected with damping spring; The second described projection is provided with the connecting link extended along bearing tangential direction; Described connecting link is provided with reflector.
7. according to the arbitrary described a kind of wind turbine state monitoring apparatus of claims 1 to 3, it is characterized in that: the sheathed bearing of high speed shaft and/or slow-speed shaft periphery is connected with housing respectively through two damping springs; The axis perpendicular of two damping springs is arranged.
8. a kind of wind turbine state monitoring apparatus according to claim 1, is characterized in that: described monitor component device also comprises, speed probe that in driving-chain, an arbitrary assembly is established, that monitor corresponding assembly rotating speed; Temperature sensor that in driving-chain, at least one assembly is established, that monitor corresponding assembly temperature.
9. a kind of wind turbine state monitoring apparatus according to claim 1, it is characterized in that: described housing forms the chamber of a sealing, described high speed shaft, gear case, slow-speed shaft be located in chamber at least partially, be filled with lubricating oil in described chamber, the madial wall of described chamber is provided with the temperature sensor detecting oil temperature.
10. a kind of wind turbine state monitoring apparatus according to claim 1, is characterized in that: be provided with the high speed tooth through high speed shaft driven rotary and the low speed tooth through slow-speed shaft driven rotary in described gear case, and described high speed tooth is directly meshed with low speed tooth; Or described high speed tooth is meshed through at least one driving cog with low speed tooth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538294.9U CN204128595U (en) | 2014-03-26 | 2014-09-18 | A kind of wind turbine state monitoring apparatus |
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| CN201420139042.9 | 2014-03-26 | ||
| CN201420139042 | 2014-03-26 | ||
| CN201420538294.9U CN204128595U (en) | 2014-03-26 | 2014-09-18 | A kind of wind turbine state monitoring apparatus |
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| CN204128595U true CN204128595U (en) | 2015-01-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341636A (en) * | 2021-05-31 | 2021-09-03 | 歌尔光学科技有限公司 | Projection equipment, motor state acquisition method and device thereof, and readable storage medium |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341636A (en) * | 2021-05-31 | 2021-09-03 | 歌尔光学科技有限公司 | Projection equipment, motor state acquisition method and device thereof, and readable storage medium |
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