CN106053056A - Novel comprehensive experimental platform for fault diagnosis of wind turbine drive system - Google Patents
Novel comprehensive experimental platform for fault diagnosis of wind turbine drive system Download PDFInfo
- Publication number
- CN106053056A CN106053056A CN201610395096.5A CN201610395096A CN106053056A CN 106053056 A CN106053056 A CN 106053056A CN 201610395096 A CN201610395096 A CN 201610395096A CN 106053056 A CN106053056 A CN 106053056A
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- bearing device
- main bearing
- speed
- fault diagnosis
- energy conversion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a novel comprehensive experimental platform for fault diagnosis of a wind turbine drive system. The novel comprehensive experimental platform comprises a stepless speed regulating motor, wherein the stepless speed regulating motor controls a rotation speed through a frequency converter, and is connected with a gear reducer; the gear reducer is connected with a main bearing device through a universal coupling; the main bearing device is connected with a low-speed level input shaft of a two-stage planetary gear speed-increasing box through a first flange coupling; a high-speed level output shaft of the two-stage planetary gear speed-increasing box is connected with a large gear shaft of a one-stage helical gear speed-increasing box through a second flange coupling; a small gear shaft of the one-stage helical gear speed-increasing box is connected with a magnetic powder brake through a third flange coupling; the magnetic powder brake is connected with a permanent magnet tachogenerator through a fourth flange coupling; and the permanent magnet tachogenerator is in power supply connection with a load lamp bulb. The novel comprehensive experimental platform is established on the basis of a doubly-fed wind turbine unit transmission system which is commonly used at present, and can simulate complex working conditions such as variable torque, variable rotational speed and variable wind direction of wind turbines.
Description
Technical field
The invention belongs to wind energy conversion system driving unit fault diagnostic field, examine particularly to a kind of wind energy conversion system driving unit fault
Disconnected Novel integrated experiment porch.
Background technology
At present, along with the consumption day by day of the energy, the rapid growth period that the development of new forms of energy having initially entered one, wind energy is made
Lay in abundant new forms of energy for a kind of, be widely used by various countries, especially to China from the point of view of, just greatly developing wind-power electricity generation.
But due to technical limitations and environmental factors, wind power plant often there will be various fault, have a strong impact on wind-power electricity generation effect
Rate and the further genralrlization of wind-powered electricity generation.
The drive system of wind-powered electricity generation equipment is fault position occurred frequently, and the fault diagnosis to drive system is wind energy conversion system fault diagnosis
Important content.At present, actual fan operation feelings are all simulated doing related experiment platform by more domestic colleges and universities and scientific research institution
Condition, but related experiment platform is the most relatively complicated and differs greatly with actual wind generating set structure, general
All over being not involved with main bearing device；Meanwhile, it is impossible to the situation of the simulation the most non-perpendicular input of wind direction.
In terms of adjusting each device centering, some experiment porch or not design, or realized by other complex appts.Except this
Outside, the expansibility of laboratory table is the highest, and motility is relatively low.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of wind energy conversion system drive system event
Barrier diagnoses Novel integrated experiment porch, and this platform is built according to the most commonly used double-fed type Wind turbine drive system, can
The complex working conditions such as torque, variable speed and changing wind direction are become, it is possible to carry out base bearing fault, epicyclic gearbox with emulation wind turbine
The internal different various faults such as Parts Breakdown and the drive system mixed fault experiments of internal different Parts Breakdown, fixed axis gear case
Research.
Technical scheme: for achieving the above object, technical scheme is as follows:
A kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, including converter, stepless speed-regulating motor, tooth
Wheel decelerator, main bearing device, two-stage planet gearbox, one-level helical gear gearbox, magnetic powder brake, permanent magnetism test the speed and send out
Motor and load bulb, described stepless speed-regulating motor passes through Frequency Converter Control rotating speed, and is connected with gear reduction unit, described gear
Decelerator is connected with main bearing device by Hooks coupling universal coupling, and described main bearing device is by the first flange-face coupling and two-stage row
The slow speed turbine stage power shaft of star gear speedup case connects, and the high speed level output shaft of described two-stage planet gearbox is convex by second
Edge shaft coupling is connected with the Large Gear Shaft of one-level helical gear gearbox, and the pinion shaft of described one-level helical gear gearbox is by the
Three flange-face couplings are connected with magnetic powder brake, and described magnetic powder brake is by the 4th flange-face coupling and permanent magnetism tachometer generator
Connecting, described permanent magnetism tachometer generator is connected with load bulb powered.
Further, described gear reduction unit, main bearing device, two-stage planet gearbox, one-level helical gear speedup
It is the most right that case, magnetic powder brake, permanent magnetism tachometer generator and load bulb are fixedly installed on by each self-corresponding wooden pad
On the modular panel base answered, realized feeling relieved up and down location by the differing heights of wooden pad.
Further, described modular panel base is one end indent, the flange slab construction of one end evagination, described module
The width of the flange changing flat base is put down with adjacent modular less than female end, the female end of adjacent modular flat base
The evagination end of plate base connects setting, the screw-in depth of bolt of feeling relieved about adjustment, it is achieved adjacent by left and right centering bolt
Left and right centering between modular panel base.
Further, the modular panel base that described gear reduction unit is correspondingly arranged and main bearing device are correspondingly arranged
Connected by connector between modular panel base；Described connector one end is fixed on the module that main bearing device is correspondingly arranged
Changing flat base end, the other end of described connector is movably connected in the modular panel base that gear reduction unit is correspondingly arranged
On, the modular panel that the modular panel base that adjustment gear reduction unit is correspondingly arranged is correspondingly arranged relative to main bearing device
The angle position of base, and connected fixing by connector, i.e. realize the output shaft of described gear reduction unit relative to base bearing
Angle change between the power shaft of device and location.
Further, described connector includes two contiguous blocks, the modular panel that described gear reduction unit is correspondingly arranged
Circular arc hole slot it is provided with on base；One end of two contiguous blocks is welded at the bottom of the modular panel that main bearing device is correspondingly arranged
Seat end, the other end of two contiguous blocks is fixing through circular arc hole slot location by angle bolt.
Further, described main bearing device uses the SKF identical with type in actual wind energy conversion system main bearing device to adjust
Heart roller bearing, the version of additional bearing block.
Further, described two-stage planet gearbox uses spliced casing, and each box portion passes through fastening bolt
Connect.
Beneficial effect: advantages of the present invention is as follows:
1, version is simple, low cost of manufacture and keep highly phase with actual double-fed type Wind turbine drive system structure
Seemingly, main bearing device, two-stage planet gearbox, one-level helical gear gearbox etc. are included.
2, designed by modular panel base, can realize adjusting centering function, and version is simple and reliable, and
The effect of vibration damping can be realized by wooden pad.
3, designed by modular panel base and Hooks coupling universal coupling with the use of, can realize simulating wind direction non-perpendicular etc.
Complex working condition.
4, speed-regulating function can be realized by converter；Can realize becoming torque functions by magnetic powder brake.
5, the design of modular panel base adds expansibility and the motility of laboratory table, can adjust as required
The position of actuating device and other actuating devices of increase, and easy accessibility is reliable.
6, two-stage planet gearbox uses spliced casing, when changing its internal gear, bearing or other parts,
Only need to open the case lid corresponding to slow speed turbine stage or high speed level planetary gear to be replaced, dismount very convenient, and compact conformation.
7, load bulb used can react whole laboratory table ruuning situation the most intuitively, and can be voluntarily according to experiment needs
Access ammeter or voltmeter, the direct observation to laboratory table basic property and operation conditions can be realized with this.
8, permanent magnetism speed measuring motor used can detect output speed situation of change in real time, can use as velocity sensor.
Accompanying drawing explanation
Fig. 1 is the front view of Integral connection structure of the present invention.
Fig. 2 is the main bearing device front view of patent of the present invention.
Fig. 3 is the modular panel datum axle side view of patent of the present invention.
Fig. 4 is the modular panel bolt of lower base connecting shaft side view of patent of the present invention.
Fig. 5 is the modular panel datum axle side-looking of patent gear reduction unit of the present invention connection corresponding with main bearing device
Figure.
Fig. 6 is the two-stage planet gearbox outward appearance front view of patent of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
Such as accompanying drawing 1, a kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, including converter 1, stepless-adjustment
Speed motor 2, gear reduction unit 3, main bearing device 5, two-stage planet gearbox 7, one-level helical gear gearbox 9, magnetic powder system
Dynamic device 11, permanent magnetism tachometer generator 13 and load bulb 14, described stepless speed-regulating motor 2 controls rotating speed by converter 1, and with
Gear reduction unit 3 connects, and described gear reduction unit 3 is connected with main bearing device 5 by Hooks coupling universal coupling 4, and described main shaft takes up
Put 5 to be connected with the slow speed turbine stage power shaft of two-stage planet gearbox 7 by the first flange-face coupling 6, described two-stage planet tooth
The high speed level output shaft of wheel gearbox 7 is connected with the Large Gear Shaft of one-level helical gear gearbox 9 by the second flange-face coupling 8,
The pinion shaft of described one-level helical gear gearbox 9 is connected with magnetic powder brake 11 by third lip shaft coupling 10, described magnetic
Powder brake 11 is connected with permanent magnetism tachometer generator 13 by the 4th flange-face coupling 12, and described permanent magnetism tachometer generator 13 is with negative
Carry bulb 14 for electrical connection.
Such as accompanying drawing 2, described main bearing device 5 uses the SKF identical with type in actual wind energy conversion system main bearing device to adjust
Heart roller bearing 0501, the version of additional bearing block 0502.
Such as accompanying drawing 3, described gear reduction unit 3, main bearing device 5, two-stage planet gearbox 7, one-level helical gear increase
Speed case 9, magnetic powder brake 11, permanent magnetism tachometer generator 13 and load bulb 14 are fixedly installed by each self-corresponding wooden pad
On each self-corresponding modular panel base 15, realized feeling relieved up and down location by the differing heights of wooden pad.Concrete,
On described modular panel base 15, the lower margin screwhole position setting according to corresponding attachment means drills bolt hole 1503, described
Gear reduction unit 3, main bearing device 5, two-stage planet gearbox 7, one-level helical gear gearbox 9, magnetic powder brake 11, forever
Magnetic survey speed generator 13 and load bulb 14 are all connected to above modular panel base 15 by drilling bolt hole 1503,
Bolt and drill and can adjust relative altitude by adding wooden pad between bolt hole 1503, both can realize feeling relieved up and down,
Damping effect can be played again.
Such as accompanying drawing 4, described modular panel base 15 is one end indent, the slab construction of one end evagination and described modularity
The width of the flange end of flat base 15 is less than female end, the female end of adjacent modular flat base 15 and adjacent mould
The flange end of massing flat base 15 connects setting by left and right centering bolt 1504, coordinates bolt 1504 of feeling relieved about adjusting
Screw-in depth, it is achieved between adjacent modular flat base 15 left and right centering.
Such as accompanying drawing 5, modular panel base 15 that described gear reduction unit 3 is correspondingly arranged is corresponding with main bearing device 5 to be set
Connected by connector between the modular panel base 15 put；Described connector one end is fixed on main bearing device 5 correspondence and sets
Modular panel base 15 end put, the other end of described connector is movably connected in the mould that gear reduction unit 3 is correspondingly arranged
On massing flat base 15.Concrete, described connector is two contiguous blocks 1502, and described gear reduction unit 3 is correspondingly arranged
Circular arc hole slot 1501 it is provided with on modular panel base 15；One end of two contiguous blocks 1502 is welded on main bearing device 5
Modular panel base 15 end being correspondingly arranged, the other end of two contiguous blocks 1502 is passed by angle bolt 1505
Circular arc hole slot 1501 location is arranged, it is achieved gear reduction unit 3 output shaft is relative to the angle between main bearing device 5 power shaft
Change and location, the operating mode that can realize simulating the non-perpendicular blade of wind direction with this.
Such as accompanying drawing 6, described two-stage planet gearbox 7 uses spliced casing, each box portion to pass through fastening bolt
0701 connects.As its internal gear, bearing or other parts need to be changed, slow speed turbine stage or high speed level planetary gear institute only need to be opened
Corresponding case lid is replaced, and dismounts very convenient, and compact conformation.
When testing, adjust the angle position of the modular panel base 15 being connected with gear reduction unit 3, and pass through
Angle bolt 1505 connects, it is possible to achieve the operating mode of the non-perpendicular input of wind direction.On aligning function, due to modules
Flat base 15 is to be attached by corresponding bolt and each self-corresponding device, therefore adds wooden pad by pad and adjusts
Highly, both can realize feeling relieved up and down, the effect of vibration damping can be played again.In the realization of left and right aligning function, this experiment is put down
Platform make use of the feature of modular panel base 15 the most dexterously, utilizes evagination flange width before modules flat base 15
Spend less than rear inner fovea part width, therefore can be combined with by the screw-in depth of left and right centering bolt 1504 and adjust position, left and right
Put, it is achieved feel relieved in left and right.In terms of speed governing, converter 1 can be regulated to regulate stepless time adjustment motor 2 rotating speed, and pass through gear
Decelerator 03 reduction of speed, realizes emulation wind turbine and actually enters the Work condition analogue such as rotating speed and wind speed change.Becoming torque operating mode
Simulation aspect, can carry out control load change to realize becoming the purpose of torque by magnetic powder brake 11.Changing parts side
Face, owing to two-stage planet gearbox 7 uses spliced casing, each box portion is connected by fastening bolt 0701, as needed
Change its internal gear, bearing or other parts, only need to open the case lid corresponding to slow speed turbine stage or high speed level planetary gear and enter
Row is changed, and dismounts very convenient, and compact conformation.In addition, the design of the modular panel base 15 of this laboratory table also increases
Add expansibility and the motility of laboratory table, the position of actuating device can have been adjusted as required and by feeling relieved about increasing
Bolt 1504 connects more modular panel base 15 to increase other actuating devices, and easy accessibility is reliable.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, it is characterised in that: include converter (1), nothing
Level buncher (2), gear reduction unit (3), main bearing device (5), two-stage planet gearbox (7), one-level helical gear increase
Speed case (9), magnetic powder brake (11), permanent magnetism tachometer generator (13) and load bulb (14), described stepless speed-regulating motor (2) leads to
Crossing converter (1) and control rotating speed, and be connected with gear reduction unit (3), described gear reduction unit (3) passes through Hooks coupling universal coupling (4)
Being connected with main bearing device (5), described main bearing device (5) is by the first flange-face coupling (6) and two-stage planet speedup
The slow speed turbine stage power shaft of case (7) connects, and the high speed level output shaft of described two-stage planet gearbox (7) is joined by the second flange
Axial organ (8) is connected with the Large Gear Shaft of one-level helical gear gearbox (9), the pinion shaft of described one-level helical gear gearbox (9)
Being connected with magnetic powder brake (11) by third lip shaft coupling (10), described magnetic powder brake (11) passes through the 4th flange shaft coupling
Device (12) is connected with permanent magnetism tachometer generator (13), and described permanent magnetism tachometer generator (13) supplies to electrically connect with load bulb (14).
A kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, it is characterised in that:
Described gear reduction unit (3), main bearing device (5), two-stage planet gearbox (7), one-level helical gear gearbox (9), magnetic
Powder brake (11), permanent magnetism tachometer generator (13) and load bulb (14) are fixedly installed on by each self-corresponding wooden pad
On each self-corresponding modular panel base (15), realized feeling relieved up and down location by the differing heights of wooden pad.
A kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, it is characterised in that:
Described modular panel base (15) is one end indent, the flange slab construction of one end evagination, adjacent modular flat base
(15) concave end is connected setting with the male end of adjacent modular flat base (15) by left and right centering bolt (1504), adjusts
The screw-in depth of whole left and right centering bolt (1504), it is achieved the left and right centering between adjacent modular flat base (15).
A kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, it is characterised in that:
The width of the flange of described modular panel base (15) is less than female end.
A kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, it is characterised in that:
The modularity that the modular panel base (15) that described gear reduction unit (3) is correspondingly arranged and main bearing device (5) are correspondingly arranged
Flat base is connected by connector between (15)；Described connector one end is fixed on the mould that main bearing device (5) is correspondingly arranged
Massing flat base (15) end, the other end of described connector is movably connected in the module that gear reduction unit (3) is correspondingly arranged
Changing on flat base (15), the modular panel base (15) that adjustment gear reduction unit (3) is correspondingly arranged takes up relative to main shaft
Put the angle position of the modular panel base (15) that (5) are correspondingly arranged, and connected by connector fixing, i.e. realize described tooth
The output shaft of wheel decelerator (3) changes relative to the angle between the power shaft of main bearing device (5) and location.
A kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, it is characterised in that:
Described connector includes two contiguous blocks (1502), the modular panel base (15) that described gear reduction unit (3) is correspondingly arranged
On be provided with circular arc hole slot (1501)；One end of two contiguous blocks (1502) is welded on what main bearing device (5) was correspondingly arranged
Modular panel base (15) end, the other end of two contiguous blocks (1502) passes circular arc by angle bolt (1505)
Shape hole slot (1501) location is arranged.
A kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, it is characterised in that:
Described main bearing device (05) uses the SKF self-aligning roller bearing identical with type in actual wind energy conversion system main bearing device
(0501), the version of additional bearing block (0502).
A kind of wind energy conversion system driving unit fault diagnosis Novel integrated experiment porch, it is characterised in that:
Described two-stage planet gearbox (07) uses spliced casing, and each box portion is connected by fastening bolt (0701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610395096.5A CN106053056B (en) | 2016-06-03 | 2016-06-03 | A kind of wind energy conversion system driving unit fault diagnosis novel integrated experiment porch |
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|---|---|---|---|
| CN201610395096.5A CN106053056B (en) | 2016-06-03 | 2016-06-03 | A kind of wind energy conversion system driving unit fault diagnosis novel integrated experiment porch |
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| CN106053056A true CN106053056A (en) | 2016-10-26 |
| CN106053056B CN106053056B (en) | 2018-12-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343565A (en) * | 2018-04-26 | 2018-07-31 | 中国矿业大学 | Wind turbines permanent magnet direct-drive pitch-variable system dynamic load simulating device and method |
| CN108731957A (en) * | 2018-03-27 | 2018-11-02 | 太原重工新能源装备有限公司 | Pitch-controlled system experimental rig and scheme |
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| Publication number | Publication date |
|---|---|
| CN106053056B (en) | 2018-12-11 |
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