CN103266991B - Impeller direction control device for wind driven generator - Google Patents
Impeller direction control device for wind driven generator Download PDFInfo
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- CN103266991B CN103266991B CN201310117801.1A CN201310117801A CN103266991B CN 103266991 B CN103266991 B CN 103266991B CN 201310117801 A CN201310117801 A CN 201310117801A CN 103266991 B CN103266991 B CN 103266991B
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- horizontal
- wind
- vertical
- potentiometer
- wind transducer
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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
Abstract
The invention discloses an impeller direction control device for a wind driven generator, belongs to an active windward device for an impeller of the wind driven generator, and solves the problem that a conventional active windward device is not windward in all directions. The impeller direction control device comprises a support rod, a machine frame, a horizontal potentiometer, a vertical potentiometer, a horizontal direct-current motor, a vertical direct-current motor, a horizontal wind transducer, a vertical wind transducer and a programmable logic controller (PLC), wherein the machine frame is arranged at the upper end of the support rod, and is fixedly connected with a support; a guide rod is arranged on the support; the left end of the guide rod is used for fixedly connecting the wind driven generator; the side face of the frame is fixedly connected with a mounting seat; the horizontal direct-current motor and the vertical direct-current motor are arranged on the mounting seat respectively; the support rod is fixedly connected with a crossbar; the horizontal wind transducer and the vertical wind transducer are hung at two ends of the crossbar respectively; and the PLC is fixedly arranged at the lower part of the support rod. The impeller direction control device has high sensitivity and high stability, can rotate in the horizontal and vertical directions, and has significance for improving the wind energy utilization efficiency of small and medium wind driven generators and prolonging the service life of the wind driven generators.
Description
Technical field
The invention belongs to wind power generator impeller initiatively wind plant, be specifically related to a kind of impeller direction control device for wind driven generator, can be used for middle-size and small-size wind-driven generator.
Background technique
Europe wind energy development utilizes takes its place in the front ranks of the world always, accounts for 60.4% of global wind-powered electricity generation total installation of generating capacity.China's wind energy turbine set was established in 1986, ended and occupied the 5th, the whole world to 2011.Because wind-power electricity generation is started late, although overall electric motor power is comparatively large, actual power coefficient only has 25%, also has a certain distance compared with advanced international standard 40%.The generating efficiency of China's wind-driven generator only has about 52% now, mainly contains two losses, one is wind energy transformation be impeller rotary machine can loss, two is that turbomachine can be converted into the loss of electric energy by generator.And higher at Chinese large-sized generator set wind energy utilization, and electric motor power is also larger.But it is subject to the impact of parallel wind field and physical features, makes its addressing greatly limited.Analyze the distribution of China physical features and weather advisory known, Large-scale Wind Turbines is difficult to be promoted widely in China, and small-sized wind power generator just comes into the sight line of people thus.Existing middle-size and small-size wind-driven generator is used for road, by rivers and lakes, and mountain area, fishing boat and family expenses etc.These application places variable directions and unstable, in order to utilize wind energy substantially, the critical box haul change of wind-driven generator constantly adjusts paddle wheel plane, makes wind-driven generator be in state windward.Adjustment paddle wheel plane has two class devices windward: a kind of is passive wind plant, namely under wind-force effect, order about steering wheel (its plane of rotation and vane rotary plane being perpendicular) rotate, and by set of gears transmission system, impeller is deflected wind, because wind direction has discreteness, passively can cause paddle wheel plane frequent swing windward, the life-span of adjusted device is had an impact; Another kind is active wind plant, control system is formed by direct current generator, adjusting impeller makes it aim at wind direction, and initiatively the process windward of wind plant has flexibility and the controllability of height, applies further extensive, but can not be windward comprehensive, see Xu De, Zhu Jing: " Tracing Wind Direction Fuzzy Control System For Wtg ", solar energy journal, 2000,21 (2): 186-191.
Summary of the invention
The invention provides a kind of impeller direction control device for wind driven generator, solve existing active wind plant exist can not comprehensive problem windward.
A kind of impeller direction control device for wind driven generator provided by the present invention, comprise pole, frame, horizontal potentiometer, vertically potentiometer, horizontal DC motor, vertically direct current generator, horizontal wind transducer, vertically wind transducer and PLC, it is characterized in that:
The shaft of described pole is connected with gear ring, described frame is placed in pole upper end by thrust-bearing and is rotatably assorted with pole, described frame is connected with support, is coordinated in the middle part of guide rod by rotating shaft and two rolling bearings with holder pivots, guide rod left end is used for affixed wind-driven generator; Horizontal potentiometer shell and vertical potentiometer shell are fixed on support, and the outrigger shaft of horizontal potentiometer is vertical direction, is fixed on center, pole top through frame end face through hole; The outrigger shaft of vertical potentiometer is substantially horizontal, affixed and coaxial with described rotating shaft;
Described frame side is connected with fitting seat, described horizontal DC motor and vertical direct current generator are loaded on fitting seat respectively, the motor shaft of horizontal DC motor is vertical direction, the motor shaft of vertical direct current generator is substantially horizontal, and the overhanging motor shaft that driving gear is fixed in horizontal DC motor engages with gear ring and forms planetary gear construction; The overhanging motor shaft of vertical direct current generator is vertical with rocking bar one end affixed, and the rocking bar the other end is rotationally connected by bearing pin and connecting rod lower end, and small end is rotationally connected by bearing pin and guide rod right-hand member;
Pole below described gear ring is vertically connected with cross bar, cross bar two ends hang horizontal wind transducer and vertical wind transducer respectively, described horizontal wind transducer is identical with vertical wind transducer structure, include external frame separately, slack adjuster, sense wind sheet, running shaft, balance screw, brush plate, ring resistance circle, described external frame is by four parallel support bars of the rectangular distribution in summit and top board, dividing plate, base plate composition layer shelf structure, plate upper surface center has groove, ring resistance corral is fixed in plate upper surface around described groove, dividing plate central bore is passed at two ends conically running shaft, running shaft bottom withstands in the groove of described base plate, running shaft top is withstood by the slack adjuster with top board screw-thread fit, running shaft above described dividing plate affixed thoughts wind sheet, running shaft below described dividing plate is sequentially connected with balance screw and brush plate from top to bottom, the end of brush plate and the sliding contact of described ring resistance circle, the running shaft of described horizontal wind transducer and the running shaft of vertical wind transducer mutually orthogonal, in described horizontal wind transducer and vertical wind transducer, the two ends of respective ring resistance circle are respectively by wire connecting power both positive and negative polarity, and respective slack adjuster is by a wire output voltage,
Described PLC is fixed on described pole bottom, two input interfaces that the output voltage of described horizontal wind transducer and horizontal potentiometer accesses PLC by wire respectively carry out voltage compare, two output interfaces of PLC connect two relays respectively, control the folding of these two relays thus rotating and reverse of level of control direct current generator; Two other input interface that the output voltage of vertical wind transducer and vertical potentiometer accesses PLC by wire respectively carries out voltage compare, two other output interface of PLC connects two other relay respectively simultaneously, controls the folding of these two relays thus controls rotating and reverse of vertical direct current generator.
The present invention uses the sensor of two quadrature arrangement, horizontal wind transducer catches the wind direction information in circumferential surface, vertical wind transducer catches the wind direction information in pitching face, can realize feeling wind in sphere, extraneous wind direction signals is converted to automatically controlled signal, input PLC, compare with the voltage signal of the corresponding potentiometer on wind driven generator frame, produce output signal according to comparative result, control to drive actuator, until the deviation of two voltage signals is in threshold range.
The rotation of the rotating band nutating gear of horizontal DC motor, driving gear and gear ring engagement rotation, driving gear can be realized rotate around pole, wind-driven generator just can turn to the maximum direction of incoming flow wind speed in horizontal plane, the outrigger shaft of the horizontal potentiometer simultaneously in frame is fixed on pole, shell is fixed on the support of wind-driven generator guide rod, and its output voltage changes with the rotation angle of wind-driven generator in horizontal plane; Coupled rocking bar is made to swing several angle by vertical direct current electric machine rotation, the guide rod of wind-driven generator is driven to swing through connecting rod, wind-driven generator just can turn to the maximum direction of incoming flow wind speed in vertical plane, coaxial in the rotating shaft that the outrigger shaft of vertical potentiometer is fixed on guide rod, shell is fixed on the support of wind-driven generator guide rod, and its output voltage changes at the pivot angle of vertical direction with wind-driven generator.Two direct current generators combine drive can realize the rotation of wind-driven generator in sphere.
The present invention is highly sensitive, good stability, can realize the rotation of level and vertical direction, for improve middle-size and small-size wind-driven generator wind energy utilization efficiency, extend the wind-driven generator life-span and have great importance.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
The horizontal wind transducer structural representation of Fig. 2.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is further described.
As shown in Figure 1, the embodiment of the present invention, comprises pole 1, frame 2, horizontal potentiometer 3, vertically potentiometer 4, horizontal DC motor 5, vertically direct current generator 6, horizontal wind transducer 7, vertically wind transducer 8 and PLC 9;
The shaft of described pole 1 is connected with gear ring 12, described frame 2 is placed in pole 1 upper end by thrust-bearing 11 and is rotatably assorted with pole 1, described frame 2 is connected with support 13, be rotatably assorted with support 13 by rotating shaft 10 and two rolling bearings 15 in the middle part of guide rod 14, guide rod 14 left end is used for affixed wind-driven generator 20; Horizontal potentiometer 3 shell and vertical potentiometer 4 shell are fixed on support 13, and the outrigger shaft of horizontal potentiometer 3 is vertical direction, are fixed on center, pole 1 top through frame 2 end face through hole; The outrigger shaft of vertical potentiometer 4 is substantially horizontal, affixed and coaxial with described rotating shaft 10;
Described frame 2 side is connected with fitting seat 16, described horizontal DC motor 5 and vertical direct current generator 6 are loaded on fitting seat 16 respectively, the motor shaft of horizontal DC motor 5 is vertical direction, the motor shaft of vertical direct current generator 6 is substantially horizontal, and the overhanging motor shaft that driving gear 17 is fixed in horizontal DC motor 5 engages with gear ring 12 and forms planetary gear construction; The overhanging motor shaft of vertical direct current generator 6 is vertical affixed with rocking bar 18 one end, and rocking bar 18 the other end is rotationally connected by bearing pin and connecting rod 19 lower end, and connecting rod 19 upper end is rotationally connected by bearing pin and guide rod 14 right-hand member;
Pole 1 below described gear ring 12 is vertically connected with cross bar 21, and cross bar 21 two ends hang horizontal wind transducer 7 and vertical wind transducer 8 respectively, and described PLC 9 is fixed on described pole 1 bottom.
Described horizontal wind transducer 7 is identical with vertical wind transducer 8 structure, for horizontal wind transducer, as shown in Figure 2, comprise external frame, slack adjuster 22, sense wind sheet 23, running shaft 24, balance screw 25, brush plate 26, ring resistance circle 27, described external frame is by four parallel support bars 28 of the rectangular distribution in summit and top board 29, dividing plate 30, base plate 31 forms layer shelf structure, base plate 31 upper surface center has groove 32, ring resistance circle 27 is fixed in plate upper surface around described groove 32, dividing plate central bore is passed at two ends conically running shaft 24, running shaft bottom withstands in the groove 32 of described base plate, running shaft top is withstood by the slack adjuster 22 with top board 29 screw-thread fit, running shaft above described dividing plate affixed thoughts wind sheet 23, running shaft below described dividing plate is sequentially connected with balance screw 25 and brush plate 26 from top to bottom, the end of brush plate 26 and the sliding contact of described ring resistance circle 27, the running shaft of described horizontal wind transducer 7 and the running shaft of vertical wind transducer 8 mutually orthogonal, in described horizontal wind transducer 7 and vertical wind transducer 8, the two ends of respective ring resistance circle 27 are respectively by wire connecting power both positive and negative polarity, and respective slack adjuster 22 is by a wire output voltage.
Horizontal wind transducer 7 and vertical wind transducer 8 working principle are that wind blows from certain angle, and act on sense wind sheet 23, sense wind sheet 23 rotates, and because its gravity is balanced by balance screw 25, therefore can eliminate the impact of gravity.Sense wind sheet driven rotary axle 24 rotates, and make brush plate 26 paddling on the ring resistance circle 27 of potentiometer be connected with main shaft, brush position determines resistance sizes, at the voltage of the two ends of ring resistance circle input 10V, from slack adjuster 22 output voltage signal.When feeling wind sheet 23 and rotating to the position parallel with wind direction, the power perpendicular to direction, blade face is reduced to zero, and sense wind sheet 23 balances.Now the output voltage of the potentiometer angle of just rotating with sense wind sheet 23 is namely corresponding with wind direction.The rotation sensitivity of the degree of tightness adjustable rotating axle 24 of slack adjuster 22 in addition.
PLC selects Mitsubishi PLC FX2N controller, PLC substantially horizontal controls (0-360 °): horizontal potentiometer extraction voltage signal FV from wind driven generator frame, from horizontal wind transducer extraction voltage signal CV, input two input interfaces of PLC respectively, PLC compares both sizes; Set a dead band ε (ε > 0), if | FV-CV|≤ε, then PLC does not output signal, and two relays are all disconnected, and namely disconnect horizontal DC motor power; If FV-CV > is ε, then PLC output signal connects one of them relay, namely forward connects horizontal DC motor power, and drive wind-driven generator to rotate clockwise by planet wheel, every 20ms compares primary voltage, if be still FV-CV > ε, then horizontal DC motor continues to rotate clockwise, until | during FV-CV|≤ε, PLC stops output signal, disconnect relay, namely disconnect horizontal DC motor power; If CV-FV > is ε, then PLC output signal connects another one relay, namely oppositely connect horizontal DC motor power, drive wind-driven generator to rotate counterclockwise by planet wheel, every 20ms compares primary voltage, if be still CV-FV > ε, then horizontal DC motor continues to rotate counterclockwise, until | FV-CV|≤ε, PLC stop output signal, disconnect relay, namely disconnect horizontal DC motor power.Vertical direction controls (0-90 °) and controls substantially identical with substantially horizontal, difference is only, input voltage is obtained from horizontal wind transducer and vertical potentiometer by PLC, PLC is after relatively, determine output signal, control whether connect two other relay, namely determine forward or oppositely connect vertical DC motor power, thus make vertical direct current generator drive wind-driven generator to swing up and down by fourbar linkage.By the forward or reverse of level, vertically direct current generator, drive wind-driven generator at ball rotation in surface.
Claims (1)
1. an impeller direction control device for wind driven generator, comprise pole (1), frame (2), horizontal potentiometer (3), vertically potentiometer (4), horizontal DC motor (5), vertically direct current generator (6), horizontal wind transducer (7), vertically wind transducer (8) and PLC (9), it is characterized in that:
The shaft of described pole (1) is connected with gear ring (12), described frame (2) is placed in pole (1) upper end by thrust-bearing (11) and is rotatably assorted with pole (1), described frame (2) is connected with support (13), guide rod (14) middle part is rotatably assorted with support (13) by rotating shaft (10) and two rolling bearings (15), and guide rod (14) left end is used for affixed wind-driven generator (20); Horizontal potentiometer (3) shell and vertical potentiometer (4) shell are fixed on support (13), the outrigger shaft of horizontal potentiometer (3) is vertical direction, is fixed on pole (1) center, top through frame (2) end face through hole; The outrigger shaft of vertical potentiometer (4) is substantially horizontal, affixed and coaxial with described rotating shaft (10);
Described frame (2) side is connected with fitting seat (16), described horizontal DC motor (5) and vertical direct current generator (6) are loaded on fitting seat (16) respectively, the motor shaft of horizontal DC motor (5) is vertical direction, the motor shaft of vertical direct current generator (6) is substantially horizontal, and the overhanging motor shaft that driving gear (17) is fixed in horizontal DC motor (5) engages with gear ring (12) and forms planetary gear construction; The overhanging motor shaft of vertical direct current generator (6) is vertical affixed with rocking bar (18) one end, rocking bar (18) the other end is rotationally connected by bearing pin and connecting rod (19) lower end, and connecting rod (19) upper end is rotationally connected by bearing pin and guide rod (14) right-hand member;
The pole (1) of described gear ring (12) below is vertically connected with cross bar (21), cross bar (21) two ends hang horizontal wind transducer (7) and vertical wind transducer (8) respectively, described horizontal wind transducer (7) is identical with vertical wind transducer (8) structure, include external frame separately, slack adjuster (22), sense wind sheet (23), running shaft (24), balance screw (25), brush plate (26), ring resistance circle (27), described external frame is by four parallel support bars (28) of the rectangular distribution in summit and top board (29), dividing plate (30), base plate (31) composition layer shelf structure, base plate (31) upper surface center has groove (32), ring resistance circle (27) is fixed in plate upper surface around described groove (32), two ends conically running shaft (24) through dividing plate central bore, running shaft bottom withstands in the groove (32) of described base plate, running shaft top is withstood by the slack adjuster (22) with top board (29) screw-thread fit, running shaft above described dividing plate affixed thoughts wind sheet (23), running shaft below described dividing plate is sequentially connected with balance screw (25) and brush plate (26) from top to bottom, the end of brush plate (26) and described ring resistance circle (27) sliding contact, the running shaft of described horizontal wind transducer (7) and the running shaft of vertical wind transducer (8) mutually orthogonal, in described horizontal wind transducer (7) and vertical wind transducer (8), the two ends of respective ring resistance circle (27) are respectively by wire connecting power both positive and negative polarity, and respective slack adjuster (22) is by a wire output voltage,
Described PLC (9) is fixed on described pole (1) bottom, two input interfaces that the output voltage of described horizontal wind transducer (7) and horizontal potentiometer (3) accesses PLC (9) by wire respectively carry out voltage compare, two output interfaces of PLC (9) connect two relays respectively, control the folding of these two relays thus rotating and reverse of level of control direct current generator (5); Two other input interface that the output voltage of vertical wind transducer (8) and vertical potentiometer (4) accesses PLC (9) by wire respectively carries out voltage compare, two other output interface of PLC connects two other relay respectively simultaneously, controls the folding of these two relays thus controls rotating and reverse of vertical direct current generator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310117801.1A CN103266991B (en) | 2013-04-07 | 2013-04-07 | Impeller direction control device for wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310117801.1A CN103266991B (en) | 2013-04-07 | 2013-04-07 | Impeller direction control device for wind driven generator |
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| Publication Number | Publication Date |
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| CN103266991A CN103266991A (en) | 2013-08-28 |
| CN103266991B true CN103266991B (en) | 2014-12-31 |
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| CN201310117801.1A Expired - Fee Related CN103266991B (en) | 2013-04-07 | 2013-04-07 | Impeller direction control device for wind driven generator |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015123032A1 (en) * | 2014-01-31 | 2015-08-20 | Natural Power Concepts, Incc. | Wind turbine with automatic tilting frame |
| CN107476650A (en) * | 2017-08-21 | 2017-12-15 | 淄博萃智工业设计咨询有限公司 | A kind of application method of safety work guardrail |
| CN112392666B (en) * | 2020-11-18 | 2021-10-26 | 温州方舵建筑有限公司 | Wind power generation set erection support |
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|---|---|---|---|---|
| US5295793A (en) * | 1992-03-02 | 1994-03-22 | Telect, Inc. | Wind turbine |
| US5746576A (en) * | 1996-10-15 | 1998-05-05 | World Power Technologies, Inc. | Wind energy conversion device with angled governing mechanism |
| CN2806809Y (en) * | 2005-07-11 | 2006-08-16 | 沈阳巨达机电有限责任公司 | Tail-folding side-deflecting type speed regulator for wind-driven generation |
| CN201025235Y (en) * | 2006-12-29 | 2008-02-20 | 刘运超 | Inclined axis separable wind leaf wind force power generation device |
| CN203201722U (en) * | 2013-04-07 | 2013-09-18 | 华中科技大学 | Impeller direction control device of wind-driven generator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003035249A (en) * | 2001-07-23 | 2003-02-07 | Fuji Heavy Ind Ltd | Tilt angle control method of horizontal shaft windmill and its device |
| US6979175B2 (en) * | 2002-10-17 | 2005-12-27 | Devon Glen Drake | Downstream wind turbine |
-
2013
- 2013-04-07 CN CN201310117801.1A patent/CN103266991B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295793A (en) * | 1992-03-02 | 1994-03-22 | Telect, Inc. | Wind turbine |
| US5746576A (en) * | 1996-10-15 | 1998-05-05 | World Power Technologies, Inc. | Wind energy conversion device with angled governing mechanism |
| CN2806809Y (en) * | 2005-07-11 | 2006-08-16 | 沈阳巨达机电有限责任公司 | Tail-folding side-deflecting type speed regulator for wind-driven generation |
| CN201025235Y (en) * | 2006-12-29 | 2008-02-20 | 刘运超 | Inclined axis separable wind leaf wind force power generation device |
| CN203201722U (en) * | 2013-04-07 | 2013-09-18 | 华中科技大学 | Impeller direction control device of wind-driven generator |
Non-Patent Citations (1)
| Title |
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| JP特開2003-35249A 2003.02.07 * |
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