CN105804954A - Telemetering method and testing device of dynamic signals of rotating blades of wind driven generator - Google Patents
Telemetering method and testing device of dynamic signals of rotating blades of wind driven generator Download PDFInfo
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- CN105804954A CN105804954A CN201610294823.9A CN201610294823A CN105804954A CN 105804954 A CN105804954 A CN 105804954A CN 201610294823 A CN201610294823 A CN 201610294823A CN 105804954 A CN105804954 A CN 105804954A
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
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- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000003556 assay Methods 0.000 claims description 15
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- 230000005611 electricity Effects 0.000 claims description 6
- 238000012935 Averaging Methods 0.000 claims description 5
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a telemetering method and a testing device of dynamic signals of rotating blades of a wind driven generator, and mainly relates to the field of monitoring and testing of a wind generating set. A dynamic signal acquisition device comprises a telemetering main machine and blades mounted on a shaft of a generator, and further comprises a data acquisition control module, wherein the telemetering main machine is provided with a telemetered signal transmitting antenna, a signal acquisition main machine and a battery which are sequentially connected from the head end to the tail end; a laser trigger and a communication data interface are mounted on the circumferential side of the signal acquisition main machine; sensors are arranged on the blades; and the data acquisition control module comprises a data analysis computer, a power quality tester, a loading box, a wireless router and a laser transmitter. The testing device has the beneficial effects that the testing is carried out through the combination of wired acquisition and wireless transmission of the dynamic signals of the rotating blades, the control of different incoming flow wind speeds, different rotation speeds and top speed ratios can be achieved, and the functions of acquisition and analysis of multiple working conditions and multiple parameters are achieved.
Description
Technical field
The present invention relates to wind power generating set monitoring test field, specifically a kind of Rotating Blades of Wind Turbine Dynamic Signal method of telemetering and assay device.
Background technology
Wind-driven generator draws kinetic energy from wind, by the rotation of blade, and then is electric energy by changes mechanical energy.Blade is as the main load bearing component of wind energy conversion system, and almost all of power will be passed by blade, and blade necessarily leads to vibration, bears the effect of alternation dynamic stress, makes blade become the parts being easiest to destroy on wind energy conversion system, and leaf destruction phenomenon frequency is existing.Therefore, it is thus achieved that the real-time status of Rotating Blades of Wind Turbine dynamic parameter, it is ensured that the operation that pneumatic equipment blades is safe and stable, durable in harsh environment, the important need that wind-powered electricity generation enterprise development is grown is become.
Wind power generating set is generally made up of wind wheel, generator bay, speed governing adjusted device and pylon etc..The body of being association of activity and inertia of rotating wind wheel with generator body is accepted by wind energy conversion system running by rotating shaft.In blade state parameter experiment process, the signal that the static parameter of blade is measured, can be undertaken by contact gage system；Owing to rotating vane is subject to the space restriction of sound parts with the generator body being connected, the extraction of the contact type measurement signal of dynamic parameter is the bottleneck problem of its development.
The acquisition of rotating vane Dynamic Signal, common mode is that slip ring draws electrical method.Slip ring electricity-leading device is to have employed physical contact to be drawn by signal, needing the contact friction of sound contact anchor ring, material and requirement on machining accuracy to slip ring are significantly high, owing to adopting face of being association of activity and inertia to be derived by signal, signal transmission is easily disturbed, and is difficult to accomplish the long-life slip ring of high rotating speed.
Summary of the invention
It is an object of the invention to provide a kind of Rotating Blades of Wind Turbine Dynamic Signal method of telemetering and assay device, it adopts the wired collection of rotating vane Dynamic Signal to test with being wirelessly transferred the mode combined, and test point is realized phase-locked location, efficiently solve the bottleneck of space of components restriction, data transmission is stably susceptible to interference, real detection rotating vane running state parameter, can carry out under different incoming flow wind speed, different rotating speeds, tip-speed ratio control, it is achieved the function of multi-state, multi-parameters sampling and analysis.
The present invention for achieving the above object, is achieved through the following technical solutions:
A kind of Rotating Blades of Wind Turbine Dynamic Signal assay device, including wind power generating set and dynamic signal acquisition device, described wind power generating set includes bottom for the pylon supported, electromotor and wind wheel, the arbor being connected and passing through wind wheel driving generating with wind wheel it is provided with in described electromotor, described wind wheel includes blade and wheelboss flange, and described blade is arranged on wheelboss flange by bolt, and described blade is provided with sensor, described wheelboss flange is arranged on arbor
Described dynamic signal acquisition device includes telemetry host computer and data acquisition and control module, described telemetry host computer is arranged at the head end of arbor, described telemetry host computer is provided with the telemetered signal transmitting antenna, signals collecting main frame and the battery that are sequentially connected with from head end to tail end, all sides of described signals collecting main frame are provided with laser flip flop and communication data interface, described sensor on blade is connected by signal conductor with communication data interface
Described data acquisition and control module includes Data Analysis Computer, electric energy quality test instrument, load box, wireless router, generating laser, described electromotor, load box, electric energy quality test instrument and Data Analysis Computer pass sequentially through wire and connect, laser flip flop is triggered by described generating laser, wireless signal that described telemetered signal transmitting antenna is provided by wireless router and Data Analysis Computer data cube computation.
Described battery is lithium battery, centrosymmetric on described battery is provided with four the first screws, and on described signals collecting main frame, corresponding first screwhole position is provided with the second screw, and described first screw and the second screw are fixed by screw thread.
Described telemetry host computer is fixed on head one end of arbor by main frame fixed disk, described main frame fixed disk is disc and placed in the middle is provided with cylinder shape groove, the edge of described main frame fixed disk is provided with threeth screw corresponding with the first screwhole position, described second screw, the first screw and the 3rd screw are fixed by main frame screw, being provided with bolt in described groove, described main frame fixed disk is bolted on rotating shaft one end of electromotor.
What described wheelboss flange was placed in the middle is provided with the taper hole adapted with arbor, and described taper hole is fixedly mounted on arbor, and on described wheelboss flange, centrosymmetric being provided with organizes fixing hole more, and described blade is fixed on wheelboss flange by the assembling of bolt Yu fixing hole.
Described sensor includes one or more in temperature sensor, strain transducer, acceleration transducer.
Use a kind of Rotating Blades of Wind Turbine Dynamic Signal method of telemetering that a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device carries out:
1) described wind wheel blade is rotated by wind drive under wind-tunnel or natural wind field environment, is generated electricity by arbor drive electrical generators；
2) laser flip flop on described signals collecting main frame is received from the laser signal that generating laser sends, telemetry host computer rotates with arbor, described laser flip flop often rotates a circle and is carried out a signal by generating laser and trigger, the signal trigger data obtained is transmitted to Data Analysis Computer with the form of wireless signal by telemetered signal transmitting antenna and is recorded and analyzes, under stable operating mode, locus by the rotating speed tested wind wheel blade of averaging method approximate calculation, it is achieved the phase-locked location of blade；
3) described sensor records the dynamic data of wind wheel blade temperature in rotation, strain, acceleration, and by above-mentioned data, by wired mode transmission to signals collecting main frame, the dynamic parameter that collection main frame obtains is sent to Data Analysis Computer by telemetered signal transmitting antenna with wireless transmission method and is recorded and analyzes；
4) being changed the load of electromotor by load box, thus regulating the operating condition of wind wheel blade, and then obtaining wind wheel blade test condition under different wind speed, rotating speed and tip-speed ratio operating mode.
Contrast prior art, the beneficial effects of the present invention is:
1, adopt the wired collection of rotating vane Dynamic Signal to test with being wirelessly transferred the mode combined, efficiently solve blade with the generator body being connected and be subject to the bottleneck that sound space of components limits.Dynamic Signal sensor (temperature, strain, acceleration etc.) is arranged in the corresponding measuring point of tested blade, according to sensor test bridge specific requirement, by signal conductor, sensor is connected with telemetry host computer, it is achieved the acquisition function of Dynamic Signal；By the form of wifi, Dynamic Signal is wirelessly transmitted to data acquisition and control module by telemetered signal transmitting antenna, overcomes tradition slip ring and draw the transmission of electrical method signal and be easily disturbed, and be difficult to accomplish the problems such as the high long-life slip ring of rotating speed.
2, by the setting of telemetry host computer body laser flip flop, supporting corresponding fixed laser light signal triggers, it is achieved the phase-locked positioning function of tested blade space position.
3, the rotating vane Dynamic Signal method of telemetering adopting synchronous coordination to measure, moves forward to blade entity by the collection measurement of Dynamic Signal, real detection rotating vane running state parameter.Can carry out under different incoming flow wind speed, different rotating speeds, tip-speed ratio control, it is achieved the function of multi-state, multi-parameters sampling and analysis.
4, the concentric centered assembling design of main frame fixed disk, wheelboss flange and arbor, the cylindrical structure design of telemetry host computer, effectively reduce the centrifugal force load that assembling assembly bias causes, strengthen the stability of rotational telemetry system test.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is the schematic diagram of telemetry host computer of the present invention.
Accompanying drawing 3 is the schematic diagram of wheelboss flange of the present invention.
Accompanying drawing 4 is the profile of wheelboss flange of the present invention.
Accompanying drawing 5 is the schematic diagram of main frame fixed disk of the present invention.
Accompanying drawing 6 is the profile of main frame fixed disk of the present invention.
Label shown in accompanying drawing:
1, pylon；2, electromotor；3, arbor；4, blade；5, wheelboss flange；6, sensor；7, telemetered signal transmitting antenna；8, signals collecting main frame；9, battery；10, laser flip flop；11, communication data interface；12, Data Analysis Computer；13, electric energy quality test instrument；14, load box；15, wireless router；16, generating laser；17, main frame fixed disk；18, groove；19, taper hole；20, fixing hole；21, the 3rd screw.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
nullOf the present invention is a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device，Agent structure includes wind power generating set and dynamic signal acquisition device，Described wind power generating set includes the bottom pylon 1 for supporting、Electromotor 2 and wind wheel，The arbor 3 being connected and passing through wind wheel driving generating with wind wheel it is provided with in described electromotor 2，Described wind wheel includes blade 4 and wheelboss flange 5，Described blade 4 is arranged on wheelboss flange 5 by bolt，Described blade 4 is provided with sensor 6，Described wheelboss flange 5 is arranged on arbor 3，Described dynamic signal acquisition device includes telemetry host computer and data acquisition and control module，Described telemetry host computer is arranged at the head end of arbor 3，Described telemetry host computer is provided with the telemetered signal transmitting antenna 7 being sequentially connected with from head end to tail end、Signals collecting main frame 8 and battery 9，All sides of described signals collecting main frame 8 are provided with laser flip flop 10 and communication data interface 11，Described sensor 6 on blade 4 is connected by signal conductor with communication data interface 11，
Signals collecting main frame 8: accept sensor 6 and gather the tested blade 4 dynamic parameter signal of transmission；
Blade 4: install and monitoring point is set；
Telemetered signal transmitting antenna 7: tested dynamic parameter is transmitted by wireless mode, and then realizes telemetry function；
Battery 9: power for signals collecting main frame 8；
Laser flip flop 10: to receive the laser signal that fixed light source sends, body rotates a circle with blade 4 and carries out a signal triggering, under stable operating mode, can approximate calculation tested blade 4 locus by rotating speed averaging method, it is achieved the phase-locked positioning function of blade 4；
Communication data interface 11: the tested blade 4 dynamic parameter signal of sensor-based system collection is transmitted by wired mode, there is reliable data-transformation facility；
Sensor 6: the rotating vane Dynamic Signal method of telemetering adopting synchronous coordination to measure, moves forward to blade 4 entity by the collection measurement of Dynamic Signal, real detection rotating vane 4 running state parameter.Can carry out under different incoming flow wind speed, different rotating speeds, tip-speed ratio control, it is achieved the function of multi-state, multi-parameters sampling and analysis.
Described data acquisition and control module includes Data Analysis Computer 12, electric energy quality test instrument 13, load box 14, wireless router 15, generating laser 16, described electromotor 2, load box 14, electric energy quality test instrument 13 and Data Analysis Computer 12 pass sequentially through wire and connect, laser flip flop 10 is triggered by described generating laser 16, and described telemetered signal transmitting antenna 7 passes through wireless signal and Data Analysis Computer 12 data cube computation that wireless router 15 provides.The parameter signals such as corresponding rotating vane 4 temperature, stress, acceleration can be realized measure, it is thus achieved that the real-time status of the dynamic parameter of rotating vane 4 in operation, and then grasp Changing Pattern and the Regulation Mechanism of its structure dynamic.
Data Analysis Computer 12: software kit, carries out data acquisition process and analysis；
Electric energy quality test instrument 13: the electricity quality evaluations such as the electric current of wind generator system, voltage can be realized；
Load box 14: be used for changing the load of electromotor, thus regulating the rotating speed of blade 4, and then obtains the blade 4 test condition under different wind speed, rotating speed and tip-speed ratio operating mode；
Wireless router 15: accept the test signal of telemetered signal transmitting antenna 7, carry out being wirelessly transferred of test parameter signal；
Generating laser 16: launch laser signal, support the use with the laser flip flop 10 of telemetry host computer, rotates a circle triggering once, it is achieved blade 4 space lock is to positioning function；
Described battery 9 is lithium battery 9, centrosymmetric on described battery 9 is provided with four the first screws, and on described signals collecting main frame 8, corresponding first screwhole position is provided with the second screw, and described first screw and the second screw are fixed by screw thread.Good fixing effect, it is easy to dismounting.
Described telemetry host computer is cylindrical and is fixed on head one end of arbor 3 by main frame fixed disk 17, and cylindrical design contributes to reducing gas-flow resistance in rotary course.Described main frame fixed disk 17 is for disc and placed in the middle is provided with cylinder shape groove 18, the edge of described main frame fixed disk 17 is provided with threeth screw 21 corresponding with the first screwhole position, described second screw, the first screw and the 3rd screw 21 are fixed by main frame screw, it is provided with bolt in described groove 18, bolt face embeds in the groove 18 of main frame fixed disk 17, it is prevented that bolt head projection impact assembling effect.Described main frame fixed disk 17 is bolted on rotating shaft one end of electromotor 2.Centered assembling design effectively reduces the centrifugal force load that assembling assembly bias causes, enhanced stability.
What described wheelboss flange 5 was placed in the middle is provided with the taper hole 19 adapted with arbor 3, and described taper hole 19 is fixedly mounted on arbor 3, it is achieved the compactness being connected with machine rotating shaft.On described wheelboss flange 5, centrosymmetric being provided with organizes fixing hole 20 more, and described blade 4 is fixed on wheelboss flange 5 by the assembling of bolt Yu fixing hole 20.Centered assembling design effectively reduces the centrifugal force load that assembling assembly bias causes, enhanced stability.
Described sensor 6 includes one or more in temperature sensor 6, strain transducer 6, acceleration transducer 6.In order to realize the test to tested blade 4 dynamic parameter signal (temperature, strain, acceleration etc.).
Of the present invention is the method for telemetering using a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device to carry out:
1) described wind wheel blade 4 is rotated by wind drive under wind-tunnel or natural wind field environment, is generated electricity by arbor 3 drive electrical generators 2；
2) laser flip flop 10 on described signals collecting main frame 8 is received from the laser signal that generating laser 16 sends, telemetry host computer rotates with arbor 3, described laser flip flop 10 often rotates a circle and is carried out a signal by generating laser 16 and trigger, the signal trigger data obtained is passed through the telemetered signal transmitting antenna 7 form transmission with wireless signal and is recorded to Data Analysis Computer 12 and analyzes, under stable operating mode, locus by the tested wind wheel blade 4 of rotating speed averaging method approximate calculation, it is achieved the phase-locked location of blade 4；
3) described sensor 6 records the dynamic data of the wind wheel blade 4 temperature in rotation, strain, acceleration, and by above-mentioned data, by wired mode transmission to signals collecting main frame 8, the dynamic parameter that collection main frame obtains is sent to Data Analysis Computer 12 by telemetered signal transmitting antenna 7 with wireless transmission method and is recorded and analyzes；
4) being changed the load of electromotor by load box 14, thus regulating the operating condition of wind wheel blade 4, and then obtaining the wind wheel blade 4 test condition under different wind speed, rotating speed and tip-speed ratio operating mode.
The present invention adopts the rotating vane 4 wired collection of Dynamic Signal to test with being wirelessly transferred the mode combined, and efficiently solves blade 4 with electromotor 2 body being connected and be subject to the bottleneck of sound space of components restriction.Dynamic Signal sensor 6 (temperature, strain, acceleration etc.) is arranged in the tested corresponding measuring point of blade 4, tests bridge specific requirement according to sensor 6, by wire, sensor 6 is connected with telemetry host computer, it is achieved the acquisition function of Dynamic Signal；By the form of wifi, Dynamic Signal is wirelessly transmitted to data acquisition and control module by telemetered signal transmitting antenna 7, overcomes tradition slip ring and draw the transmission of electrical method signal and be easily disturbed, and be difficult to accomplish the problems such as the high long-life slip ring of rotating speed.
Embodiment 1: of the present invention is a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device, agent structure includes wind power generating set and dynamic signal acquisition device, described wind power generating set includes the bottom pylon 1 for supporting, electromotor 2 and wind wheel, the arbor 3 being connected and passing through wind wheel driving generating with wind wheel it is provided with in described electromotor 2, described wind wheel includes blade 4 and wheelboss flange 5, what described wheelboss flange 5 was placed in the middle is provided with the taper hole 19 adapted with arbor 3, described taper hole 19 is fixedly mounted on arbor 3, on described wheelboss flange 5, centrosymmetric being provided with organizes fixing hole 20 more, described blade 4 is fixed on wheelboss flange 5 by the assembling of bolt Yu fixing hole 20.Described blade 4 is provided with sensor 6, and described sensor 6 includes temperature sensor 6, strain transducer 6 and acceleration transducer 6.It is connected with communication data interface 11 by connection, according to tested pneumatic equipment blades 4 dynamic parameter signal (temperature, strain, acceleration etc.) concrete form, carry out corresponding connection and the selection of applicable test bridge, it is achieved signals collecting and transfer function.The afterbody of described electromotor 22 is additionally provided with tail vane, is rotated by rotating wind wheel band motivation rotating shaft and realizes coil generating function.
Described dynamic signal acquisition device includes telemetry host computer and data acquisition and control module, described telemetry host computer is arranged at the head end of arbor 3, and head one end of arbor 3 it is fixed on by main frame fixed disk 17, described main frame fixed disk 17 is for disc and placed in the middle is provided with cylinder shape groove 18, the edge of described main frame fixed disk 17 is provided with threeth screw 21 corresponding with the first screwhole position, described second screw, first screw and the 3rd screw 21 are fixed by main frame screw, it is provided with bolt in described groove 18, described main frame fixed disk 17 is bolted on rotating shaft one end of electromotor 2.
Described telemetry host computer is provided with the telemetered signal transmitting antenna 7, signals collecting main frame 8 and the battery 9 that are sequentially connected with from head end to tail end, all sides of described signals collecting main frame 8 are provided with laser flip flop 10 and communication data interface 11, described sensor 6 on blade 4 is connected by signal conductor with communication data interface 11, described battery 9 is lithium battery 9, centrosymmetric on described battery 9 it is provided with four the first screws, on described signals collecting main frame 8, corresponding first screwhole position is provided with the second screw, and described first screw and the second screw are fixed by screw thread.
Described data acquisition and control module includes Data Analysis Computer 12, electric energy quality test instrument 13, load box 14, wireless router 15, generating laser 16, described electromotor 2, load box 14, electric energy quality test instrument 13 and Data Analysis Computer 12 pass sequentially through wire and connect, laser flip flop 10 is triggered by described generating laser 16, and described telemetered signal transmitting antenna 7 passes through wireless signal and Data Analysis Computer 12 data cube computation that wireless router 15 provides.
Embodiment 2: of the present invention is the method for telemetering using a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device to carry out:
1) described wind wheel blade 4 is rotated by wind drive under wind-tunnel or natural wind field environment, is generated electricity by arbor 3 drive electrical generators 2；
2) laser flip flop 10 on described signals collecting main frame 8 is received from the laser signal that generating laser 16 sends, telemetry host computer rotates with arbor 3, described laser flip flop 10 often rotates a circle and is carried out a signal by generating laser 16 and trigger, the signal trigger data obtained is passed through the telemetered signal transmitting antenna 7 form transmission with wireless signal and is recorded to Data Analysis Computer 12 and analyzes, under stable operating mode, locus by the tested wind wheel blade 4 of rotating speed averaging method approximate calculation, it is achieved the phase-locked location of blade 4；
3) described sensor 6 records the dynamic data of the wind wheel blade 4 temperature in rotation, strain, acceleration, and by above-mentioned data, by wired mode transmission to signals collecting main frame 8, the dynamic parameter that collection main frame obtains is sent to Data Analysis Computer 12 by telemetered signal transmitting antenna 7 with wireless transmission method and is recorded and analyzes；
4) being changed the load of electromotor by load box 14, thus regulating the operating condition of wind wheel blade 4, and then obtaining the wind wheel blade 4 test condition under different wind speed, rotating speed and tip-speed ratio operating mode.
Claims (6)
1. a Rotating Blades of Wind Turbine Dynamic Signal assay device, it is characterized in that: include wind power generating set and dynamic signal acquisition device, described wind power generating set includes the bottom pylon (1) for supporting, electromotor (2) and wind wheel, the arbor (3) being connected and passing through wind wheel driving generating with wind wheel it is provided with in described electromotor (2), described wind wheel includes blade (4) and wheelboss flange (5), described blade (4) is arranged on wheelboss flange (5) by bolt, described blade (4) is provided with sensor (6), described wheelboss flange (5) is arranged on arbor (3),
Described dynamic signal acquisition device includes telemetry host computer and data acquisition and control module, described telemetry host computer is arranged at the head end of arbor (3), described telemetry host computer is provided with the telemetered signal transmitting antenna (7), signals collecting main frame (8) and the battery (9) that are sequentially connected with from head end to tail end, all sides of described signals collecting main frame (8) are provided with laser flip flop (10) and communication data interface (11), described sensor (6) on blade (4) is connected by signal conductor with communication data interface (11)
Described data acquisition and control module includes Data Analysis Computer (12), electric energy quality test instrument (13), load box (14), wireless router (15), generating laser (16), described electromotor (2), load box (14), electric energy quality test instrument (13) and Data Analysis Computer (12) pass sequentially through wire and connect, laser flip flop (10) is triggered by described generating laser (16), the wireless signal that described telemetered signal transmitting antenna (7) is provided by wireless router (15) and Data Analysis Computer (12) data cube computation.
2. a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device according to claim 1, it is characterized in that: described battery (9) is lithium battery, described battery (9) is above centrosymmetric is provided with four the first screws, upper corresponding first screwhole position of described signals collecting main frame (8) is provided with the second screw, and described first screw and the second screw are fixed by screw thread.
3. a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device according to claim 2, it is characterized in that: described telemetry host computer is fixed on head one end of arbor (3) by main frame fixed disk (17), described main frame fixed disk (17) is for disc and placed in the middle is provided with cylinder shape groove (18), the edge of described main frame fixed disk (17) is provided with threeth screw (21) corresponding with the first screwhole position, described second screw, first screw and the 3rd screw (21) are fixed by main frame screw, described groove is provided with bolt in (18), described main frame fixed disk (17) is bolted on rotating shaft one end of electromotor (2).
4. a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device according to claim 1, it is characterized in that: what described wheelboss flange (5) was placed in the middle is provided with the taper hole (19) adapted with arbor (3), described taper hole (19) is fixedly mounted on arbor (3), upper centrosymmetric being provided with of described wheelboss flange (5) organizes fixing hole (20) more, and described blade (4) is fixed on wheelboss flange (5) by the assembling of bolt Yu fixing hole (20).
5. a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device according to claim 1, it is characterised in that: described sensor (6) includes one or more in temperature sensor (6), strain transducer (6), acceleration transducer (6).
6. use a kind of Rotating Blades of Wind Turbine Dynamic Signal method of telemetering that a kind of Rotating Blades of Wind Turbine Dynamic Signal assay device as described in any one of Claims 1 to 5 carries out, it is characterised in that:
1) described wind wheel blade (4) is rotated by wind drive under wind-tunnel or natural wind field environment, is generated electricity by arbor (3) drive electrical generators (2)；
2) laser flip flop (10) on described signals collecting main frame (8) is received from the laser signal that generating laser (16) sends, telemetry host computer rotates with arbor (3), described laser flip flop (10) often rotates a circle and is carried out a signal triggering by generating laser (16), the signal trigger data obtained is recorded and analyzes with the form transmission of wireless signal to Data Analysis Computer (12) by telemetered signal transmitting antenna (7), under stable operating mode, locus by the tested wind wheel blade of rotating speed averaging method approximate calculation (4), realize the phase-locked location of blade (4)；
3) described sensor (6) records the dynamic data of the wind wheel blade (4) temperature in rotation, strain, acceleration, and by above-mentioned data, by wired mode transmission to signals collecting main frame (8), the dynamic parameter that collection main frame obtains is sent to Data Analysis Computer (12) by telemetered signal transmitting antenna (7) with wireless transmission method and is recorded and analyzes；
4) being changed the load of electromotor by load box (14), thus regulating the operating condition of wind wheel blade (4), and then obtaining the wind wheel blade (4) test condition under different wind speed, rotating speed and tip-speed ratio operating mode.
Priority Applications (1)
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| CN106224174A (en) * | 2016-08-22 | 2016-12-14 | 内蒙古工业大学 | Wind energy conversion system many field parameters synchronous monitoring system |
| CN108194279A (en) * | 2017-12-28 | 2018-06-22 | 广州市风力新能源科技有限公司 | A kind of testing device for wind driven generator and method |
| CN108757340A (en) * | 2018-04-25 | 2018-11-06 | 浙江运达风电股份有限公司 | A kind of high speed shaft of aerogenerator real-time status of the operation monitoring method and system |
| CN108757305A (en) * | 2018-04-25 | 2018-11-06 | 浙江运达风电股份有限公司 | A kind of high speed shaft of aerogenerator dynamic centering monitoring method and system |
| CN108799013A (en) * | 2018-06-13 | 2018-11-13 | 内蒙古工业大学 | A kind of device and its measurement method measuring wind energy conversion system Unsteady Flow |
| CN108983148A (en) * | 2018-07-30 | 2018-12-11 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of pivoting microphone array apparatus for auditory localization |
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| CN110469460A (en) * | 2019-08-08 | 2019-11-19 | 北京汉能华科技股份有限公司 | A kind of fault detection method and system of wind-driven generator |
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| CN108757305A (en) * | 2018-04-25 | 2018-11-06 | 浙江运达风电股份有限公司 | A kind of high speed shaft of aerogenerator dynamic centering monitoring method and system |
| CN108757305B (en) * | 2018-04-25 | 2019-12-24 | 浙江运达风电股份有限公司 | Dynamic centering monitoring method and system for high-speed shaft of wind driven generator |
| CN109297625A (en) * | 2018-05-17 | 2019-02-01 | 西北工业大学 | Rotor blade surface Dynamic Pressure Measurement System and measurement method based on phase locking methods |
| CN109297625B (en) * | 2018-05-17 | 2020-11-20 | 西北工业大学 | Rotor blade surface dynamic pressure measuring system based on phase locking method |
| CN108799013A (en) * | 2018-06-13 | 2018-11-13 | 内蒙古工业大学 | A kind of device and its measurement method measuring wind energy conversion system Unsteady Flow |
| CN108983148A (en) * | 2018-07-30 | 2018-12-11 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of pivoting microphone array apparatus for auditory localization |
| CN109216892A (en) * | 2018-08-31 | 2019-01-15 | 天津大学 | A kind of wireless data transmission antenna for engine dynamic stress signal telemetry system |
| CN109216892B (en) * | 2018-08-31 | 2024-03-12 | 天津大学 | Wireless data transmission antenna for starting motor stress signal telemetry system |
| CN110469460A (en) * | 2019-08-08 | 2019-11-19 | 北京汉能华科技股份有限公司 | A kind of fault detection method and system of wind-driven generator |
| CN110594105A (en) * | 2019-09-27 | 2019-12-20 | 扬州大学 | Low-power wind turbine aerodynamic characteristic measuring device suitable for wind tunnel test |
| CN110594105B (en) * | 2019-09-27 | 2020-08-11 | 扬州大学 | Low-power wind turbine aerodynamic characteristic measuring device suitable for wind tunnel test |
| CN117514646A (en) * | 2023-11-22 | 2024-02-06 | 辽宁高比科技有限公司 | Dynamic inspection analysis method and system for ground type fan blade |
| CN117514646B (en) * | 2023-11-22 | 2024-06-07 | 辽宁高比科技有限公司 | Dynamic inspection analysis method and system for ground type fan blade |
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