CN204553090U - Intelligent vibration damping moldeed depth sea floating blower fan - Google Patents
Intelligent vibration damping moldeed depth sea floating blower fan Download PDFInfo
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- CN204553090U CN204553090U CN201520001279.5U CN201520001279U CN204553090U CN 204553090 U CN204553090 U CN 204553090U CN 201520001279 U CN201520001279 U CN 201520001279U CN 204553090 U CN204553090 U CN 204553090U
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- pylon
- damping
- blower fan
- damping device
- floating
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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
A kind of intelligent vibration damping moldeed depth sea floating blower fan, comprise blade, generator set, pylon, buoyant foundation and mooring system, described blades installation is at tower top, pylon is erected on the buoyant foundation that is connected with mooring system, described pylon is provided with annular damping device, described annular damping device comprises interior pipe, outer tube and in being evenly distributed on, multiple damper units between outer tube wall, described damper unit comprises acceleration transducer, the composition such as magnetorheological damping device component, the damping cylinder of magnetorheological damping device is fixedly connected with outer wall of inner tube or outer tube wall, damping cylinder piston rod top props up outer tube wall or outer wall of inner tube, described acceleration transducer is connected with the current control unit of magnetorheological damping device, in, also damping material is filled with between outer tube wall.The utility model blower fan according to tower oscillation situation adjustment antivibration, can be consumed vibrational energy with damping tower oscillations, thus improves the firm supporting degree of pylon by annular damping device, extension device working life.
Description
Technical field
The present invention relates to technical field of wind power generation, particularly a kind of floating blower fan be used on deep-sea.
Background technique
Along with growing to energy demand of the mankind, around controversial issue and the contradiction of the energy.Finding novel energy and substitute fossil energy, for mankind's sustainable development from now on provides endless power, is the significant problem that the mankind face at present.Wind energy is as free of contamination novel green renewable energy sources, be subject to the mankind to pay close attention to more and more widely, many land wind energy turbine set are set up successively, but only lean on land wind-power electricity generation to be far from being enough, there are the broad space and affluent resources that are not yet developed in sea, as wind energy, utilize offshore wind power generation to can be the mankind and provide a large amount of renewable and clean energy resource, offshore wind power generation has become the important directions of countries in the world new energy development.
Current offshore wind power generation is continuous to be expanded to deep-sea, deep-sea blower fan technology is the focus of research both at home and abroad, and China is still in the starting stage, constantly perfect along with scientific research technology, offshore wind power generation from the pile type in shallow sea to the floating development at deep-sea be inexorable trend.For deep-sea floating blower fan, supporting structure is its important component part, bear hydrodynamic force and aerodynamic dual alternate load, in its total life cycle, fatigue load cycle-index is very high, and it is large to add its structural flexibility, work under bad environment, under extreme sea condition, dynamic response is very large, and the vibration of its supporting structure is particularly evident, very easily brings out fatigue ruption.Therefore, the fatigue strength of supporting structure needs special concern.
Summary of the invention
Technical purpose of the present invention is to provide a kind of intelligent vibration damping moldeed depth sea floating blower fan of new structure, adopts vibration control technology to alleviate the vibratory response of structure, effectively reduces the ultimate stress in the fatigue damage of blower fan structure and structure, improves the working life of blower fan.
For realizing above-mentioned technical purpose, technological scheme disclosed by the invention is:
A kind of intelligent vibration damping moldeed depth sea floating blower fan, comprises fan blade, generator set, pylon, buoyant foundation and mooring system, it is characterized in that:
Described fan blade is arranged on tower top, and pylon is erected on the buoyant foundation that is connected with mooring system, and described pylon is provided with annular damping device, and described annular damping device and pylon support body are rigidly connected;
Described annular damping device comprises interior pipe, outer tube and is evenly distributed on the multiple damper units between inside and outside tube wall, described damper unit is provided with acceleration transducer and magnetorheological damping device, the damping cylinder of described magnetorheological damping device is connected with outer wall of inner tube or outer tube wall, damping cylinder piston rod top correspondingly props up outer tube wall or outer wall of inner tube, and described acceleration transducer is connected with the current controller of magnetorheological damping device.
When blower fan pylon is subject to foreign impacts vibration or pylon internal unit Self generating oscillations; the acceleration produced by tower oscillation experienced by the acceleration transducer of damper unit; and export the current controller of corresponding signal to magnetorheological damping device; current controller is according to the data-signal received; control damping cylinder and produce suitable damping force; quick consumption vibrational energy, attenuation vibration protection pylon is not damaged.
On above-mentioned technology contents basis, further improvement project also comprises:
Be filled with damping material in tube chamber between adjacent damper unit, preferably adopt polyurethane material.
Described damper unit is also provided with expansion bend and detects the angle transducer of expansion bend retracted position, and described expansion bend is staggered form expansion bracket or the tubular type expansion bend with bellows folds.On the inner tubal wall that described expansion bend two ends are connected to annular damping device and outer tube wall, described angle transducer is connected with described current controller.When tower oscillation exceedes to a certain degree, expansion bend component can do fore and aft motion along with inside and outside tube wall, angle change can be produced between its component such as hack lever or flanging, the change of this angle also can react the degree of vibration generation intuitively, with acceleration transducer with the use of, comprehensively react vibrational state.
Above-mentioned sensor is all connected by the current controller of signal amplifier with magnetorheological damping device.
Supporting steel frame is provided with in the interior pipe of described annular damping device.
Described pylon is tubular type support body, and pylon tubular body is provided with the equipment platform of more than one deck, and the position that the below of described platform and pylon are connected with buoyant foundation is equipped with described annular damping device.
As optimal way, described buoyant foundation adopts five angie type structures, comprise and be positioned at five floating posts that buoyancy tank below pylon and equi-spaced apart are centered around described buoyancy tank periphery, connected by exterior truss between adjacent floating post, float and be connected by internal truss frame between post with buoyancy tank, each floating column top is connected on described pylon by rope, in plane and the supporting structure spatially forming trigonometric expression, improves whole fondational structure stability.
Described rope preferably adopts high-molecular polythene material, can arrange damper further in the middle part of rope.
Described mooring system is the multiple spot scattering anchoring system adopting cross type chain disposition, plays good fixation to whole blower fan.
Deep-sea of the present invention floating blower fan have employed a kind of annular damping device of intelligent control, object changes conventional art only to rely on material and self structure intensity to improve the design philosophy of pylon vibration resistance, consume and decay blower fan self and the vibrational energy by external loads effect generation is brought by adjustable damping slow, novel structure, and design science is reasonable, the fatigue resistance of effective raising blower fan pylon and supporting structure thereof, improves Security and the working life of Fan Equipment.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is the structural representation of damper unit;
Fig. 3 is the structural representation of pylon;
Fig. 4 is the cross sectional representation of annular damping device;
Fig. 5 is the generalized section of annular damping device;
In upper figure:
1 fan blade, 2 pylons, 3 annular damping devices, 4 floating posts, 5 floating capital seats, 6 mooring lines, 7 internal truss frames, 8 balancing weights, 9 exterior truss, 10 dampers, 11 floating post bases, 12 buoyancy tanks, 13 annular grooves, 14 ropes, 31 damping materials, 32 damper units, 32-1 expansion bend, 32-2 angle transducer, 32-3 damping cylinder, 32-4 signal amplifier, 32-5 acceleration transducer, 32-6 current controller, 33 supporting steel frames.
Embodiment
In order to illustrate structure characteristic of the present invention and working principle further, below in conjunction with accompanying drawing and specific embodiment, detailed introduction is made to the present invention.
A kind of intelligent vibration damping moldeed depth sea floating blower fan as shown in Figures 1 to 5, based on the design principle of semi-submersible type, swims on sea, deep-sea by buoyant foundation, specifically comprises following constituent element:
1) fan blade 1 and generator set;
Described fan blade 1 is arranged on pylon 2 top.Fan blade 1 is vitals wind-force being converted to mechanical energy, and generator set evenly operates passing to power facility after the adjustment of rotational speed obtained by fan blade 1.
2) annular damping device 3;
An embodiment as shown in Fig. 2, Fig. 4, Fig. 5, described annular damping device 3 comprises interior pipe, outer tube and is evenly distributed on the multiple damper units 32 between inside and outside tube wall.Described damper unit 32 is provided with acceleration transducer 32-5, expansion bend 32-1, angle transducer 32-2 and magnetorheological damping device.
The rear and front end of described damper unit 32 is respectively provided with a pedestal, and inner side pedestal is fixed on outer wall of inner tube, and outside pedestal is fixed on outer tube wall, and acceleration transducer 32-5 is arranged on described pedestal.The damping cylinder 32-3 of described magnetorheological damping device is fixed on inner base frame, and the piston rod top that damping cylinder stretches out is against on outer seat.The rear and front end of described expansion bend 32-1 is also connected on inner base frame and outer seat.Described angle transducer 32-2 is arranged on expansion bend 32-1, for monitoring the retracted position of expansion bend 32-1.
Described acceleration transducer 32-5, angle transducer 32-2 are connected with the current controller 32-6 of magnetorheological damping device respectively by signal amplifier 32-4.Described current controller 32-6 is connected with power apparatus, and be provided with puocessing module for analyzing the data-signal judging that the sensor gathers, described puocessing module according to judged result to damping cylinder 32-3(and damp generator) coil export control electric current, damping adjusting cylinder 32-3 produce damping force.
Be filled with damping material 23 in tube chamber between adjacent damper unit 32, preferably adopt polyurethane material.
Supporting steel frame 33 is provided with in the tube chamber of described interior pipe, as shown in Figure 4, Figure 5, described supporting steel frame 33 adopts pentagon space frame structure, be welded on inner tubal wall, be evenly equipped with five damper units in tube chamber between inside and outside tube wall, the end of supporting steel frame 33 is against the position of the corresponding each damper unit of inwall.
Described expansion bend 32-1 is staggered form expansion bracket or the tubular telescopic device with bellows folds, as adopted tubular telescopic device, damping cylinder 32-3 can be arranged in its body.
3) pylon 2;
Described pylon 2 adopts tubular type pylon, is erected on buoyant foundation.Be provided with some layers of platform from top to bottom in pylon 2 body, described platform is for placing working equipment and providing the space of staff's activity.On pylon 2, at least bottom the below of every layer of equipment platform and pylon 2, the position on connected floating basis is equipped with described annular damping device 3, for absorbing the vibrational energy that inside panel equipment produces, improves the fatigue resistance of pylon 2.
Described annular damping device 3 makes an overall structure usually, during use, is fixed on pylon 2 by its overall mode by welding, and be rigidly connected with pylon body while producing (namely vibrate, annular damping device and tower movement state consistency).
4) buoyant foundation;
Described buoyant foundation is five angie type structures, comprise and be positioned at five floating posts 4 that buoyancy tank 12 below pylon 2 and equi-spaced apart are centered around described buoyancy tank 12 periphery, described floating post 4 is provided with footstock 5 and base 11, connected by exterior truss 9 between adjacent floating post 4, described exterior truss 10 is welded on floating capital seat 5 and floating post base 11, float and be connected by internal truss frame 7 between post 4 with buoyancy tank 12, described internal truss frame 7 one end is welded on floating post base 11 top, annular groove 13 place of buoyancy tank 12 is fixed in one end, each floating capital seat 5 is connected to the neck of described pylon 2 by high-molecular polythene rope 14, thus in plane and space, form firm tripod structure support tower 2.
The middle part of described rope 14 is provided with the damper 10 of vibration damping, for reducing the structural vibration of blower fan self, and slackens the transmission of vibrational energy to buoyant foundation and pylon 2 supporting structure further.
5) mooring system;
Described mooring system is the multiple spot scattering anchoring system adopting cross type chain disposition, is made up of, is distributed in around buoyant foundation according to several angle mooring line 6, block weight 7 and balancing weight 8.The bottom of mooring line 6 is separately fixed on two pieces of balancing weights 8 by two sections of side chains, the middle part of mooring line 6 is provided with block weight 7, and the quality and quantity of block weight is is rationally increased and decreased depending on actual conditions, utilize the gravity of block weight 7 and mooring line 6 itself, bottom mooring line 6 one section is made to be laid on sea bed, for mooring line 6 provides restoring force.Mooring line 6 preferably adopts the one in polyester rope or wire rope, and block weight can adopt metallic material or stone etc., and shape is rectangular or cylindrical body.
More than show and describe basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand, the present invention is not restricted to the described embodiments, what describe in above-described embodiment and specification just illustrates principle of the present invention, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications.Application claims protection domain is defined by appending claims, specification and equivalent thereof.
Claims (10)
1. an intelligent vibration damping moldeed depth sea floating blower fan, comprises fan blade (1), generator set, pylon (2), buoyant foundation and mooring system, it is characterized in that:
Described fan blade (1) is arranged on pylon (2) top, pylon (2) is erected on the buoyant foundation that is connected with mooring system, described pylon (2) is provided with annular damping device (3), described annular damping device (3) and pylon (2) support body are rigidly connected;
Described annular damping device (3) comprises interior pipe, outer tube and is evenly distributed on the multiple damper units (32) between inside and outside tube wall, described damper unit (32) is provided with acceleration transducer (32-5) and magnetorheological damping device, the damping cylinder (32-3) of described magnetorheological damping device is connected with outer wall of inner tube or outer tube wall, the piston rod top of stretching out from damping cylinder correspondingly props up outer tube wall or outer wall of inner tube, and described acceleration transducer (32-5) is connected with the current controller (32-6) of magnetorheological damping device.
2. intelligent vibration damping moldeed depth sea according to claim 1 floating blower fan, is characterized in that, be filled with damping material (31) in the tube chamber between adjacent damper unit (32).
3. intelligent vibration damping moldeed depth sea according to claim 2 floating blower fan, it is characterized in that, described damping material (31) is polyurethane material.
4. intelligent vibration damping moldeed depth sea according to claim 1 floating blower fan, it is characterized in that, described damper unit (32) is also provided with expansion bend (32-1) and detects the angle transducer (32-2) of expansion bend (32-1) retracted position, described expansion bend (32-1) is staggered form expansion bracket or the tubular telescopic device with bellows folds, on the inner tubal wall that expansion bend (32-1) two ends are connected to annular damping device (3) and outer tube wall, described angle transducer (32-2) is connected with described current controller (32-6).
5. the intelligent vibration damping moldeed depth sea floating blower fan according to claim arbitrary in claim 1-4, it is characterized in that, the sensor is all connected with the current controller (32-6) of magnetorheological damping device by signal amplifier (32-4).
6. intelligent vibration damping moldeed depth sea according to claim 1 floating blower fan, is characterized in that, be provided with supporting steel frame (33) in the interior tube chamber of described annular damping device (3).
7. intelligent vibration damping moldeed depth sea according to claim 1 floating blower fan, it is characterized in that, described pylon (2) is tubular type support body, pylon tubular body is provided with the equipment platform of more than one deck, and the position that the below of described platform and pylon (2) are connected with buoyant foundation (13) is equipped with described annular damping device.
8. according to the intelligent vibration damping moldeed depth sea floating blower fan in claim 1-4,6 or 7 described in arbitrary claim, it is characterized in that, described buoyant foundation is five angie type structures, comprise the buoyancy tank (12) that is positioned at pylon (2) below and equi-spaced apart is centered around five peripheral floating posts (4) of described buoyancy tank (12), connected by exterior truss (9) between adjacent floating post (4), the floating internal truss frame (7) that passes through between post (4) with buoyancy tank (12) is connected, and each floating post (4) top is connected on described pylon (2) by rope (14).
9. intelligent vibration damping moldeed depth sea according to claim 8 floating blower fan, it is characterized in that, described rope (14) middle part is provided with damper (10).
10. intelligent vibration damping moldeed depth sea according to claim 8 floating blower fan, it is characterized in that, described mooring system is the multiple spot scattering anchoring system adopting cross type chain disposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520001279.5U CN204553090U (en) | 2015-01-04 | 2015-01-04 | Intelligent vibration damping moldeed depth sea floating blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520001279.5U CN204553090U (en) | 2015-01-04 | 2015-01-04 | Intelligent vibration damping moldeed depth sea floating blower fan |
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| CN204553090U true CN204553090U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520001279.5U Withdrawn - After Issue CN204553090U (en) | 2015-01-04 | 2015-01-04 | Intelligent vibration damping moldeed depth sea floating blower fan |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533724A (en) * | 2015-01-04 | 2015-04-22 | 江苏海事职业技术学院 | Intelligent vibration damping type deep sea floating fan |
| CN105221335A (en) * | 2015-10-12 | 2016-01-06 | 大连理工大学 | A kind ofly reduce the shimmy intelligent controller of fan blade and method thereof |
| CN105627039A (en) * | 2016-02-01 | 2016-06-01 | 国家***第一海洋研究所 | Tripod carrying platform used for submarine observation |
| CN106368905A (en) * | 2016-10-19 | 2017-02-01 | 浙江海洋大学 | Offshore wind power generation device |
| CN112253406A (en) * | 2020-09-29 | 2021-01-22 | 中国电建集团华东勘测设计研究院有限公司 | Environment load prediction method and vibration pre-control system for offshore wind turbine generator |
-
2015
- 2015-01-04 CN CN201520001279.5U patent/CN204553090U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533724A (en) * | 2015-01-04 | 2015-04-22 | 江苏海事职业技术学院 | Intelligent vibration damping type deep sea floating fan |
| CN104533724B (en) * | 2015-01-04 | 2017-05-17 | 江苏海事职业技术学院 | Intelligent vibration damping type deep sea floating fan |
| CN105221335A (en) * | 2015-10-12 | 2016-01-06 | 大连理工大学 | A kind ofly reduce the shimmy intelligent controller of fan blade and method thereof |
| CN105221335B (en) * | 2015-10-12 | 2017-12-05 | 大连理工大学 | It is a kind of to reduce the shimmy intelligent controller of fan blade and its method |
| CN105627039A (en) * | 2016-02-01 | 2016-06-01 | 国家***第一海洋研究所 | Tripod carrying platform used for submarine observation |
| CN106368905A (en) * | 2016-10-19 | 2017-02-01 | 浙江海洋大学 | Offshore wind power generation device |
| CN106368905B (en) * | 2016-10-19 | 2018-11-20 | 浙江海洋大学 | A kind of ocean wind power generation plant |
| CN112253406A (en) * | 2020-09-29 | 2021-01-22 | 中国电建集团华东勘测设计研究院有限公司 | Environment load prediction method and vibration pre-control system for offshore wind turbine generator |
| CN112253406B (en) * | 2020-09-29 | 2022-05-27 | 中国电建集团华东勘测设计研究院有限公司 | Environment load prediction method and vibration pre-control system for offshore wind turbine generator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150812 Effective date of abandoning: 20170517 |