CN101418777A - Burbling pneumatic brake device based on darrieus wind power generator - Google Patents
Burbling pneumatic brake device based on darrieus wind power generator Download PDFInfo
- Publication number
- CN101418777A CN101418777A CNA2008102096003A CN200810209600A CN101418777A CN 101418777 A CN101418777 A CN 101418777A CN A2008102096003 A CNA2008102096003 A CN A2008102096003A CN 200810209600 A CN200810209600 A CN 200810209600A CN 101418777 A CN101418777 A CN 101418777A
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- flow
- disturbing
- coral
- motor
- controller
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The invention provides a flow-disturbing type pneumatic braking device based on Darrieus wind generator. The vane of the Darrieus wind generator is provided with a flow-disturbing grid, a motor, and a gear set, the flow-disturbing grid is mounted on the vane through a flow-disturbing grid rotary shaft, and the motor is connected to the flow-disturbing rotary shaft through the gear set; the base of the Darrieus wind generator is provided with a controller and a speed measuring device which is connected with the controller, and the controller is connected with the motor through a control line. The design philosophy of the invention is that an expandable flow-disturbing grid is mounted on the vane of the Darrieus wind generator, the flow-disturbing grid is attached to the vane of the wind generator in normal running so as to keep the original wing shape and not influence the airflow; when speed reduction or brake is needed because of some reason, the flow-disturbing grid is controlled to expand, the airflow on the back of the flow-disturbing grid will violently disturb to thoroughly change the pressure difference of the vane basin and vane back, increase the resistance, decrease the lifting force, and achieve the purpose of deceleration brake.
Description
(1) technical field
The present invention relates to be a kind of Da Lie wind-driven generator in running owing to need or occur the device of the aerodynamic brake of hypervelocity when dangerous, belong to mechanical control field.
(2) background technique
The Dari eritrea type wind-driven generator is by base, be installed in main shaft on the base, be installed in that blade on the main shaft etc. forms by commutator.For a long time, the brake deceleration method of Dari eritrea type wind-driven generator is one of major reason of its Design and Machining of puzzlement always.Traditional design method generally uses the friction type brake block, this brake system have working life short, brake process produce high temperature, abrasion serious, to big, the shortcomings such as volume is big, weight is big, cost height of injury of axle.Just because of above shortcoming, make the brake problem of Dari eritrea type wind-driven generator slowly be difficult to improve and solution completely.
(3) summary of the invention
The object of the present invention is to provide a kind of simply, reliable, practical, can fundamentally solve the disturbed flow type pneumatically operated brake based on the Dari eritrea type wind-driven generator of current Dari eritrea type wind-driven generator brake difficulty, the complicated difficult problem of brake structure.
The object of the present invention is achieved like this: flow-disturbing coral, motor, gear train are installed on the blade of Dari eritrea type wind-driven generator, and the flow-disturbing coral is installed on the blade by the rotating shaft of flow-disturbing coral, and motor connects the rotating shaft of flow-disturbing coral by gear train; Controller, speed measurement device are installed in the base of Dari eritrea type wind-driven generator, and speed measurement device links to each other with controller, is connected by control wiring between controller and the motor.
But the design philosophy of invention is the flow-disturbing coral that installs opening and closing on the blade of Dari eritrea type wind-driven generator additional, thereby the flow-disturbing coral is attached at and keeps original wing on the blade of wind-driven generator when normally moving, and air-flow is not exerted an influence; When needing for a certain reason to slow down or braking, control flow-disturbing coral opens, and this moment, flow-disturbing coral back side air-flow made the pressure difference of leaf basin and blade back obtain radical change violent disturbance, and resistance increase, lift are reduced, thereby reaches the purpose of slowing-down brake.
It is mainly formed and comprises flow-disturbing coral, controller, control wiring, motor, speed measurement device, blade, main shaft, base, gear-box, rotating shaft, commutator etc.When the rotating speed that detects blower fan by speed measurement device surpasses rated speed, the just commentaries on classics of control centre's control motor is opened the flow-disturbing coral, the vacuum side of blade air-flow will change and the pressure difference of leaf basin and blade back is changed at this moment, the resistance that blade rotation is produced increases, lift reduces, make blower fan maintain normal working, thereby reach the purpose of slowing-down brake; When wind speed just often allows the motor counter-rotating make flow-disturbing coral closure by control centre, form unified aerofoil profile with blade, air-flow evenly flows through from airfoil surface, produces stable lift and makes the blower fan proper functioning.
Major advantage of the present invention is to have realized with better simply mechanism and method the slowing-down brake of Dari eritrea type wind-driven generator, and this method has proposed not rely on the brake thought of mechanical friction.
(4) description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the plan view of flow-disturbing grid;
Fig. 3 is the structural representations of flow-disturbing grid when opening.
(5) embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1, comprise controller 1, speed measurement device 2, control wiring 3, motor 4, gear train 5, flow-disturbing grid 6, blade 7, flow-disturbing grid rotating shaft 8, base 9, commutator 10, main shaft 11 based on the member of the disturbed flow type pneumatically operated brake of Dari eritrea type wind-driven generator.Main shaft is installed on the base by commutator, and blade installation is on main shaft; Flow-disturbing coral, motor, gear train are installed on the blade of Dari eritrea type wind-driven generator, and motor connects the rotating shaft of flow-disturbing coral by gear train; Controller, speed measurement device are installed in the base of Dari eritrea type wind-driven generator, and speed measurement device links to each other with controller, are connected by control wiring between controller and the motor.
When the Dari eritrea type wind-driven generator normally moved: controller 1 control motor cut out flow-disturbing grid 6, and flow-disturbing grid 6 tightly are attached on the blade 7 of Da Lie wind-driven generator, this moment flow-disturbing grid 6 not stream field exert an influence.When running into rotation speed of fan that load dump or other reason cause and surpass rated speed: at first record dangerous rotating speed and pass to controller 1 by speed measurement device 2, just changeing by controller 1 control motor 4, drive flow-disturbing grid rotating shaft 8 by gear train 5, thereby open flow-disturbing grid 6, this moment, flow-disturbing grid 6 back air-flows produced violent disturbance, original pressure difference of the blade back of blade 7 and leaf basin obtains great variety, blade 7 stall, lift reduces, wind driven generator principal shaft 11 rotating speeds descend, thereby make blower fan be in normal working; When wind speed just often, by 4 counter-rotatings of controller 1 control motor, drive flow-disturbing grid rotating shafts 8 by gear train 5, close flow-disturbing grid 6, flow-disturbing grid 6 tightly are attached on the blade 7 of Da Lie wind-driven generator, and air-flow evenly flows through blade 7, produce stable lift, the blower fan proper functioning.
In conjunction with Fig. 2, the flow-disturbing coral is the structure in embedded and the aerofoil profile, and his outer surface radian is consistent with the radian of mutually same lateral lobe wheel aerofoil profile, the aeroperformance of assurance impeller integral body; The upper end has a roll pin to be connected with impeller, and the untie-sell that can rotate of flow-disturbing coral is rotated flexibly, and the lower end is connected with the rotating shaft of gear train, is rotated by the rotating shaft of motor-driven gear group and flow-disturbing coral and controls opening and closing of flow-disturbing coral.
In conjunction with Fig. 3, be the structural representation of flow-disturbing coral impeller and flow-disturbing coral when opening.He can clearer expression impeller and the relativeness of flow-disturbing coral when opening.
Claims (2)
1, a kind of disturbed flow type pneumatically operated brake based on the Dari eritrea type wind-driven generator, it is characterized in that: flow-disturbing coral, motor, gear train are installed on the blade of Dari eritrea type wind-driven generator, the flow-disturbing coral is installed on the blade by the rotating shaft of flow-disturbing coral, and motor connects the rotating shaft of flow-disturbing coral by gear train; Controller, speed measurement device are installed in the base of Dari eritrea type wind-driven generator, and speed measurement device links to each other with controller, is connected by control wiring between controller and the motor.
2, the disturbed flow type pneumatically operated brake based on the Dari eritrea type wind-driven generator according to claim 1, it is characterized in that: described flow-disturbing coral is the structure in embedded and the aerofoil profile, his outer surface radian is consistent with the radian of mutually same lateral lobe wheel aerofoil profile, guarantees the aeroperformance of impeller integral body; The upper end has a roll pin to be connected with impeller, and the untie-sell that can rotate of flow-disturbing coral is rotated flexibly, and the lower end is connected with the rotating shaft of gear train, is rotated by the rotating shaft of motor-driven gear group and flow-disturbing coral and controls opening and closing of flow-disturbing coral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102096003A CN101418777B (en) | 2008-12-04 | 2008-12-04 | Burbling pneumatic brake device based on darrieus wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102096003A CN101418777B (en) | 2008-12-04 | 2008-12-04 | Burbling pneumatic brake device based on darrieus wind power generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101418777A true CN101418777A (en) | 2009-04-29 |
| CN101418777B CN101418777B (en) | 2010-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102096003A Expired - Fee Related CN101418777B (en) | 2008-12-04 | 2008-12-04 | Burbling pneumatic brake device based on darrieus wind power generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101418777B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434394A (en) * | 2011-12-31 | 2012-05-02 | 深圳市风发科技发展有限公司 | Turbulent flow device of Vertical axis wind turbine, bracket and vertical axis wind turbine |
| CN104747374A (en) * | 2013-12-25 | 2015-07-01 | 深圳市泰玛风光能源科技有限公司 | Intelligent variable pitch speed regulation method and system for wind driven generator |
| CN111228747A (en) * | 2020-02-12 | 2020-06-05 | 李华想 | A crooked trainer for arm muscle joint resumes |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536665A (en) * | 2011-12-09 | 2012-07-04 | 河海大学 | Lifting-power type vertical shaft windmill adopting aerodynamic brake |
-
2008
- 2008-12-04 CN CN2008102096003A patent/CN101418777B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434394A (en) * | 2011-12-31 | 2012-05-02 | 深圳市风发科技发展有限公司 | Turbulent flow device of Vertical axis wind turbine, bracket and vertical axis wind turbine |
| CN104747374A (en) * | 2013-12-25 | 2015-07-01 | 深圳市泰玛风光能源科技有限公司 | Intelligent variable pitch speed regulation method and system for wind driven generator |
| CN111228747A (en) * | 2020-02-12 | 2020-06-05 | 李华想 | A crooked trainer for arm muscle joint resumes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101418777B (en) | 2010-09-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20121204 |