CN205445893U - Driftage damping controlling means of well small wind turbine unit - Google Patents
Driftage damping controlling means of well small wind turbine unit Download PDFInfo
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- CN205445893U CN205445893U CN201521108243.3U CN201521108243U CN205445893U CN 205445893 U CN205445893 U CN 205445893U CN 201521108243 U CN201521108243 U CN 201521108243U CN 205445893 U CN205445893 U CN 205445893U
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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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Abstract
The utility model provides a driftage damping controlling means of well small wind turbine unit, a serial communication port, including being arranged in the driftage bearing unit for the small wind turbine unit to increase damped attenuator, the first electric motors execution unit and second motor execution unit, the first electric motors execution unit and second motor execution unit connect electronic drive unit of first driftage and the electronic drive unit of second driftage, the electronic drive unit of first driftage and the electronic drive unit the first electric motors 1 arithmetic element of second driftage respectively. The utility model discloses combine bi -motor clearance elimination's method and yawdamper, both eliminated driftage bearing gear clearance, increased the stability of driftage system again, solved single inactive damping method unit in in -process clearance developments elimination gear clearance's the shortcoming voluntarily of going off course.
Description
Technical field
This utility model relates to a kind of wind-power generating yaw damping control apparatus, is applied to the wind power generating set of the electronic driftage of active of two driftage decelerators, belongs to technical field of wind power generation.
Background technology
In the application of existing wind power generating set, the most all using electronic driftage to wind mode, yawing brake system many employings air pressure folds braking action in brake disc, and also folded the stopping of hydraulic pressure acts on brake disc.Both approaches advantage braking moment is big, and damping force is the most stable, and machine system is reliable and stable, and cost height is used for the Large-scale machine set of more than MW class.But this unit has special attendant, carrying out regular oil stain, refuel and repair pipeline, system structure is complicated, and cost is high.
Nowadays the existing middle-size and small-size wind generating set yaw in market damping, a kind of employing individually electronic band brake band-type brake mode of driftage；One is to use single damping block to increase damping.Both dampings are substantially static state, and owing to damping torque is less than normal, in wind-driven generator running, yaw gear gap becomes larger, yaw system can instability, long-term collision can be wounded gear teeth face, even ruptures.Both the above mode, it is impossible to the most static, it is impossible to adjust damping force in real time.It addition, nowadays eliminate the mode in gap such as double electricity, it is basically used for precision machine tool and eliminates the fields such as gap, conveyer belt regulation belt tension.For Pump for Medium and Small Power Generating Set, owing to structure is less, must cost declining for more preferable meeting the market requirement.
Summary of the invention
The purpose of this utility model is to provide a kind of yaw damping for middle-size and small-size wind-power electricity generation and controls device, to solve the single of existing middle-size and small-size wind generating set yaw damping, can not adjust the problem eliminating yaw gear gap in real time.
In order to achieve the above object, this utility model provides the yaw damping of a kind of middle-size and small-size wind power generating set and controls device, it is characterized in that, including antivibrator, the first motor performance element and the second motor performance element for increasing damping to the yaw unit of middle-size and small-size wind power generating set, first motor performance element and the second motor performance element connect the first driftage electric drive unit and the second driftage electric drive unit, the first driftage electric drive unit and the second driftage electric drive unit respectively and connect control arithmetic element.
Preferably, described control arithmetic element includes Programmable Logic Controller, relay, angular transducer and communication sampling module, described Programmable Logic Controller connects relay, for measuring angular transducer and the communication sampling module of the yaw angle of the yaw unit of middle-size and small-size wind power generating set, described communication sampling module connects with the first driftage electric drive unit and the second driftage electric drive unit, and described relay and the first driftage electric drive unit and the second driftage electric drive unit connect.
Preferably, the first described driftage electric drive unit and the second driftage electric drive unit are variable-frequency speed-regulating controller.
Preferably, the first described motor performance element and the second motor performance element include the driftage motor of band electromagnetism band brake apparatus and the reductor that is connected with motor, reductor connects output gear, and output gear is coupled to the yaw gear of yaw unit.
Compared with prior art, the beneficial effects of the utility model are:
1) this utility model is applicable to double electronic yaw system；
2) this utility model combines bi-motor and eliminates method and the yawdamper in gap, both yaw gear clearance had been eliminated, adding again the stability of yaw system, solving the damping method unit of single static can not the automatic dynamic shortcoming that eliminates gear clearance in During yaw intermediate gap；
3) this utility model is owing to being dynamically to regulate gear clearance, significantly reduces the flank of tooth collision in running of the set yaw system, adds bearing and yawing reducer life-span, add the unit operation life-span, reduce unit maintenance workload.
4) this utility model realizes simple, utilizes existing yaw system, increases and controls device, and mechanism is convenient and reliable, does not increase structural member, to Pump for Medium and Small Power Generating Set, increases and safeguards space,
5) this utility model saves the cost of middle-size and small-size wind power generating set, adds the market competition advantage of middle-size and small-size wind power generating set.
Accompanying drawing explanation
Fig. 1 is that the yaw damping of middle-size and small-size wind power generating set controls apparatus structure scheme of installation；
Fig. 2 is that the yaw damping of middle-size and small-size wind power generating set controls device annexation schematic diagram；
Fig. 3 a is that the yaw damping of middle-size and small-size wind power generating set controls the first use view of device；
Fig. 3 b is that the yaw damping of middle-size and small-size wind power generating set controls device the second use view；
Fig. 3 c is that the yaw damping of middle-size and small-size wind power generating set controls the third use view of device；
Fig. 3 d is that the yaw damping of middle-size and small-size wind power generating set controls the 4th kind of device use view；
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 limit 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.
Embodiment
As shown in Figure 1, the yaw damping of middle-size and small-size wind power generating set of the present utility model controls device and includes multiple antivibrator D4, the first motor performance element D3-1 and the second motor performance element D3-2 for increasing damping to the yaw cells D 5 of middle-size and small-size wind power generating set, first motor performance element D3-1 and the second motor performance element D3-2 connects the first driftage electric drive unit D2-1 and second driftage electric drive unit D2-2, the first driftage electric drive unit D2-1 respectively and the second driftage electric drive unit D2-2 connects control arithmetic element D1.Described yaw cells D 5 includes yaw and the yaw gear being located on yaw.
Described control arithmetic element D1 includes Programmable Logic Controller, relay, angular transducer and communication sampling module, described Programmable Logic Controller connects relay, for measuring angular transducer and the communication sampling module of the yaw angle of the yaw cells D 5 of middle-size and small-size wind power generating set, described communication sampling module connects with the first driftage electric drive unit D2-1 and the second driftage electric drive unit D2-2, and described relay and the first driftage electric drive unit D2-1 and the second driftage electric drive unit D2-2 connect.The running status (i.e. yaw angle) of described control arithmetic element D1 sampling current wind generating set yaw system and the first motor performance element D3-1 and the electric current of motor, power and the direction of rotation of the second motor performance element D3-2, and control the first motor performance element D3-1 and the second motor performance element D3-2 by the first driftage electric drive unit D2-1 and the second driftage electric drive unit D2-2 and eliminate the gap between yaw gear and the output gear of yaw cells D 5.
The first described driftage electric drive unit D2-1 and the second driftage electric drive unit D2-2 is variable-frequency speed-regulating controller, it is provided control command by controlling arithmetic element D1, the motor driving the first motor performance element D3-1 and the second motor performance element D3-2 is rotated, meanwhile, the information such as the stream of motor, power, direction that detect feed back to control arithmetic element D1.
The first described motor performance element D3-1 and the second motor performance element D3-2 includes band electromagnetic brake driftage motor and the reductor being connected with band electromagnetic brake driftage motor, reductor connects output gear, and output gear is coupled to the yaw gear of yaw cells D 5.
Described antivibrator D4 is commercially available prod, for increasing damping torque to the yaw cells D 5 of middle-size and small-size wind power generating set, for preferably increasing yaw system traveling comfort.
In running, the yaw damping of middle-size and small-size wind power generating set controls the first motor performance element D3-1 and the second motor performance element D3-2, the antivibrator D4 of device, running four kinds of states in yaw cells D 5, antivibrator D4 applies certain damping torque to yaw cells D 5 always.nullThe Programmable Logic Controller controlling arithmetic element D1 measures yaw angle by angular transducer，When yaw angle is between-15 °～15 ° and when driftage dwell time is more than 15min，Yaw cells D 5 and the first motor performance element D3-1 and the second motor performance element D3-2 produces gap，Control arithmetic element D1 order the first driftage electric drive unit D2-1 and control the first motor performance element D3-1 current yaw direction of holding，Order the second driftage electric drive unit D2-2 controls driftage motonsed actuating units D3-2 and runs round about，Control arithmetic element D1 and control the dynamic adjustment of the first motor performance element D3-1 and the second motor performance element D3-2 according to the first driftage electric drive unit D2-1 and the electronic electric current of the second driftage electric drive unit D2-2 and power，As shown in Figure 3 c；Or the first motor performance element D3-1 and the second motor performance element D3-2 stops, as shown in Figure 3 a, control arithmetic element D1 separated in time and restart the contrary gear clearance run in the first motor performance element D3-1 and the second motor performance element D3-2 elimination unit running process again；Or the first motor performance element D3-1 stops, the second motor performance element D3-2 applies certain rotating torque to the first motor performance element D3-1 always, reaches stable, as shown in Figure 3 d；Or the first motor performance element D3-1 runs the certain rotating torque of applying to be stopped, as shown in Figure 3 b to the second motor performance element D3-2, the second motor performance element D3-2.
Claims (4)
1. the yaw damping of a middle-size and small-size wind power generating set controls device, it is characterized in that, including the antivibrator (D4) for increasing damping to the yaw unit (D5) of middle-size and small-size wind power generating set, first motor performance element (D3-1) and the second motor performance element (D3-2), first motor performance element (D3-1) and the second motor performance element (D3-2) connect the first driftage electric drive unit (D2-1) and the second driftage electric drive unit (D2-2) respectively, first driftage electric drive unit (D2-1) and the second driftage electric drive unit (D2-2) connect control arithmetic element (D1).
The yaw damping of middle-size and small-size wind power generating set the most as claimed in claim 1 controls device, it is characterized in that, described control arithmetic element (D1) includes Programmable Logic Controller, relay, angular transducer and communication sampling module, described Programmable Logic Controller connects relay, for measuring angular transducer and the communication sampling module of the yaw angle of the yaw unit (D5) of middle-size and small-size wind power generating set, described communication sampling module connects with the first driftage electric drive unit (D2-1) and the second driftage electric drive unit (D2-2), described relay connects with the first driftage electric drive unit (D2-1) and the second driftage electric drive unit (D2-2).
The yaw damping of middle-size and small-size wind power generating set the most as claimed in claim 1 controls device, it is characterized in that, the first described driftage electric drive unit (D2-1) and the second driftage electric drive unit (D2-2) are variable-frequency speed-regulating controller.
The yaw damping of middle-size and small-size wind power generating set the most as claimed in claim 1 controls device, it is characterized in that, the first described motor performance element (D3-1) and the second motor performance element (D3-2) include band electromagnetic brake driftage motor and the reductor being connected with band electromagnetic brake driftage motor and output gear,, output gear is coupled to the yaw gear of yaw unit (D5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108243.3U CN205445893U (en) | 2015-12-28 | 2015-12-28 | Driftage damping controlling means of well small wind turbine unit |
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| CN201521108243.3U CN205445893U (en) | 2015-12-28 | 2015-12-28 | Driftage damping controlling means of well small wind turbine unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762412A (en) * | 2016-12-30 | 2017-05-31 | 科诺伟业风能设备（北京）有限公司 | A kind of wind generating set yaw brake clip clamping control method based on frequency converter |
| CN109340047A (en) * | 2018-11-20 | 2019-02-15 | 天津海瑞机械制造有限公司 | A kind of wind power generation plant of automated steering |
| CN109653949A (en) * | 2018-11-30 | 2019-04-19 | 中国船舶重工集团海装风电股份有限公司 | The wind generating set yaw method and system of yaw motor offer electromagnetic damping |
| CN112228275A (en) * | 2020-10-16 | 2021-01-15 | 中国船舶重工集团海装风电股份有限公司 | Electromagnetic damping yawing method and device for wind turbine generator |
| CN112610408A (en) * | 2020-12-24 | 2021-04-06 | 东方电气风电有限公司 | Yaw system and method for wind generating set |
| CN114893349A (en) * | 2022-07-14 | 2022-08-12 | 深圳众城卓越科技有限公司 | Over-current and overload prevention control method and device for motor of yaw system |
-
2015
- 2015-12-28 CN CN201521108243.3U patent/CN205445893U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762412A (en) * | 2016-12-30 | 2017-05-31 | 科诺伟业风能设备（北京）有限公司 | A kind of wind generating set yaw brake clip clamping control method based on frequency converter |
| CN106762412B (en) * | 2016-12-30 | 2019-02-15 | 科诺伟业风能设备（北京）有限公司 | A kind of wind generating set yaw brake clip clamping control method based on frequency converter |
| CN109340047A (en) * | 2018-11-20 | 2019-02-15 | 天津海瑞机械制造有限公司 | A kind of wind power generation plant of automated steering |
| CN109653949A (en) * | 2018-11-30 | 2019-04-19 | 中国船舶重工集团海装风电股份有限公司 | The wind generating set yaw method and system of yaw motor offer electromagnetic damping |
| CN112228275A (en) * | 2020-10-16 | 2021-01-15 | 中国船舶重工集团海装风电股份有限公司 | Electromagnetic damping yawing method and device for wind turbine generator |
| CN112610408A (en) * | 2020-12-24 | 2021-04-06 | 东方电气风电有限公司 | Yaw system and method for wind generating set |
| CN114893349A (en) * | 2022-07-14 | 2022-08-12 | 深圳众城卓越科技有限公司 | Over-current and overload prevention control method and device for motor of yaw system |
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