CN103266991A - Impeller direction control device for wind driven generator - Google Patents
Impeller direction control device for wind driven generator Download PDFInfo
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- CN103266991A CN103266991A CN2013101178011A CN201310117801A CN103266991A CN 103266991 A CN103266991 A CN 103266991A CN 2013101178011 A CN2013101178011 A CN 2013101178011A CN 201310117801 A CN201310117801 A CN 201310117801A CN 103266991 A CN103266991 A CN 103266991A
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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 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 initiatively wind plant of wind-driven generator impeller, be specifically related to a kind of wind-driven generator impeller direction-control apparatus, can be used for middle-size and small-size wind-driven generator.
Background technique
Europe wind energy development utilization is taken 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, by occupied the 5th in the whole world to 2011.Because wind-power electricity generation is started late, though whole electric motor power is bigger, actual power coefficient has only 25%, compares a certain distance in addition with advanced international standard 40%.The generating efficiency of China's wind-driven generator has only about 52% now, mainly contains two losses, and the one, wind energy transformation is the loss of the rotary machine energy of impeller, the 2nd, generator can be converted into turbomachine the loss of electric energy.And higher at Chinese large-sized generator set wind energy utilization, and electric motor power is also bigger.But the influence that it is subjected to parallel wind field and physical features makes its addressing limited greatly.Analyze China's physical features distribution and weather advisory as can be known, Large-scale Wind Turbines is difficult in China and is promoted widely, and small-sized wind power generator is just come into people's sight thus.Existing middle-size and small-size wind-driven generator is used for by the highway more, by the rivers and lakes, and mountain area, fishing boat and family expenses etc.These application places variable direction and instabilities, in order to utilize wind energy substantially, the serious box haul of wind-driven generator changes constantly adjusts paddle wheel plane, makes wind-driven generator be in state down with the wind.Adjust paddle wheel plane two class devices are arranged down with the wind: a kind of is passive wind plant, namely under the wind-force effect, order about steering wheel (its plane of rotation and impeller plane of rotation are perpendicular) rotation, and make impeller deflection to wind by the set of gears transmission system, because wind direction has discreteness, passively can cause the paddle wheel plane frequent swing down with the wind, life-span of tuning mechanism is exerted an influence; Another kind is the active wind plant, constitute control system by direct current generator, adjust impeller and make it aim at wind direction, initiatively the process of facining the wind of wind plant has flexibility and the controllability of height, uses extensive further, but can not comprehensively facing the wind, see Xu De, Zhu Jing: " wind-driven generator wind direction following control system ", solar energy journal, 2000,21 (2): 186-191.
Summary of the invention
The invention provides a kind of wind-driven generator impeller direction-control apparatus, solve the problem of can not comprehensively facining the wind that existing initiatively wind plant exists.
A kind of wind-driven generator impeller direction-control apparatus provided by the present invention, comprise pole, frame, horizontal potentiometer, vertical potentiometer, horizontal direct current generator, vertical direct current generator, horizontal wind transducer, vertical wind transducer and PLC controller, it is characterized in that:
Be connected with gear ring on the shaft of described pole, described frame is placed in the pole upper end by thrust-bearing and is rotatably assorted with pole, be connected with support on the described frame, guide rod middle part is rotatably assorted with support by rotating shaft and two rolling bearings, and the guide rod left end is for affixed wind-driven generator; Horizontal potentiometer shell and vertical potentiometer shell are fixed on the support, and the outrigger shaft of horizontal potentiometer is vertical direction, passes frame end face through hole and is fixed on center, pole top; Vertically the outrigger shaft of potentiometer is substantially horizontal, and is affixed and coaxial with described rotating shaft;
Described frame side is connected with fitting seat, described horizontal direct current generator and vertical direct current generator are loaded on the fitting seat respectively, the motor shaft of horizontal direct current generator is vertical direction, vertically the motor shaft of direct current generator is substantially horizontal, and driving gear is fixed on the overhanging motor shaft of horizontal direct current generator and with the gear ring engagement and constitutes planetary gear construction; Vertically the overhanging motor shaft of direct current generator is vertical affixed with rocking bar one end, 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;
Vertically be connected with cross bar on the pole of described gear ring below, the cross bar two ends hang horizontal wind transducer and vertical wind transducer respectively, described horizontal wind transducer is with vertically the wind transducer structure is identical, include external frame separately, slack adjuster, sense wind sheet, running shaft, balance screw, brush plate, the ring resistance circle, described external frame is by four parallel struts and the top board of the rectangular distribution in summit, dividing plate, base plate is formed layer shelf structure, the plate upper surface center has groove, the ring resistance corral is fixed in plate upper surface around described groove, two ends are conical running shaft and pass the dividing plate central bore, the running shaft bottom withstands in the groove of described base plate, the running shaft top is withstood by the slack adjuster with the top board screw-thread fit, the affixed thoughts wind of the running shaft sheet of described dividing plate top, the running shaft of described dividing plate below is 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 in regular turn; The running shaft mutually orthogonal of the running shaft of described horizontal wind transducer and vertical wind transducer; In described horizontal wind transducer and the vertical wind transducer, the two ends of ring resistance circle are respectively by the wire connecting power both positive and negative polarity separately, and slack adjuster is by a lead output voltage separately;
Described PLC controller is fixed in described pole bottom, the output voltage of described horizontal wind transducer and horizontal potentiometer carries out voltage ratio by two input interfaces of lead access PLC controller respectively, two output interfaces of PLC controller connect two relays respectively, thereby control main story and the counter-rotating of the horizontal direct current generator of folding control of these two relays; Vertically the output voltage of wind transducer and vertical potentiometer carries out voltage ratio by two other input interface of lead access PLC controller respectively, simultaneously two other output interface of PLC connects two other relay respectively, thereby main story and the counter-rotating of vertical direct current generator are controlled in the folding of controlling these two relays.
The present invention uses the sensor of two quadrature arrangement, horizontal wind transducer catches the wind direction information in the circumferential surface, vertically wind transducer catches the wind direction information of pitching face, can in sphere, realize sense wind, extraneous wind direction signals is converted to automatically controlled signal, input PLC controller, with the voltage signal of corresponding potentiometer on the wind-driven generator frame relatively, produce output signal according to comparative result, control drives actuator, until the deviation of two voltage signals in threshold range.
The rotation of the rotating band nutating gear of horizontal direct current generator, driving gear and gear ring engagement are rotated, can realize that driving gear rotates around pole, wind-driven generator just can turn to the direction of incoming flow wind speed maximum in horizontal plane, outrigger shaft at the horizontal potentiometer on the frame is fixed on the pole simultaneously, 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; Make coupled rocking bar swing several angle by vertical direct current generator rotation, drive the guide rod swing of wind-driven generator through connecting rod, wind-driven generator just can turn to the direction of incoming flow wind speed maximum in vertical plane, vertically the outrigger shaft of potentiometer is fixed in the rotating shaft of guide rod and is coaxial, shell is fixed on the support of wind-driven generator guide rod, and its output voltage changes with the pivot angle of wind-driven generator at vertical direction.The uniting driving and can realize the rotation of wind-driven generator in sphere of two direct current generators.
The present invention is highly sensitive, good stability, can realize the rotation of level and vertical direction, for the Wind Power Utilization efficient that improves middle-size and small-size wind-driven generator, prolong the wind-driven generator life-span and have great importance.
Description of drawings
Fig. 1 is overall structure schematic representation of the present invention;
The horizontal wind transducer structural representation of Fig. 2.
Embodiment
The present invention is further described below in conjunction with embodiment and accompanying drawing.
As shown in Figure 1, the embodiment of the invention comprises pole 1, frame 2, horizontal potentiometer 3, vertical potentiometer 4, horizontal direct current generator 5, vertical direct current generator 6, horizontal wind transducer 7, vertical wind transducer 8 and PLC controller 9;
Be connected with gear ring 12 on the shaft of described pole 1, described frame 2 is placed in pole 1 upper end by thrust-bearing 11 and is rotatably assorted with pole 1, be connected with support 13 on the described frame 2, guide rod 14 middle parts are rotatably assorted with support 13 by rotating shaft 10 and two rolling bearings 15, and guide rod 14 left ends are used for affixed wind-driven generator 20; Horizontal potentiometer 3 shells and vertical potentiometer 4 shells are fixed on the support 13, and the outrigger shaft of horizontal potentiometer 3 is vertical direction, passes frame 2 end face through holes and is fixed on center, pole 1 top; Vertically the outrigger shaft of potentiometer 4 is substantially horizontal, and is affixed and coaxial with described rotating shaft 10;
Described frame 2 sides are connected with fitting seat 16, described horizontal direct current generator 5 and vertical direct current generator 6 are loaded on respectively on the fitting seat 16, the motor shaft of horizontal direct current generator 5 is vertical direction, vertically the motor shaft of direct current generator 6 is substantially horizontal, and driving gear 17 is fixed on the overhanging motor shaft of horizontal direct current generator 5 and with gear ring 12 engagements and constitutes planetary gear constructions; Vertically the overhanging motor shaft of direct current generator 6 is vertical affixed with rocking bar 18 1 ends, and rocking bar 18 the other ends are rotationally connected by bearing pin and connecting rod 19 lower ends, and connecting rod 19 upper ends are rotationally connected by bearing pin and guide rod 14 right-hand members;
Vertically be connected with cross bar 21 on the pole 1 of described gear ring 12 belows, cross bar 21 two ends hang horizontal wind transducer 7 and vertical wind transducer 8 respectively, and described PLC controller 9 is fixed in described pole 1 bottom.
Described horizontal wind transducer 7 is with vertically wind transducer 8 structures are identical, be example with 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 struts 28 and the top board 29 of the rectangular distribution in summit, dividing plate 30, base plate 31 is formed layer shelf structure, base plate 31 upper surface centers have groove 32, ring resistance circle 27 is fixed in plate upper surface around described groove 32, two ends are conical running shaft 24 and pass the dividing plate central bore, the running shaft bottom withstands in the groove 32 of described base plate, the running shaft top is withstood by the slack adjuster 22 with top board 29 screw-thread fit, the affixed thoughts wind of the running shaft sheet 23 of described dividing plate top, the running shaft of described dividing plate below is 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 contacts in regular turn; The running shaft mutually orthogonal of the running shaft of described horizontal wind transducer 7 and vertical wind transducer 8; In described horizontal wind transducer 7 and the vertical wind transducer 8, the two ends of ring resistance circle 27 are respectively by the wire connecting power both positive and negative polarity separately, and slack adjuster 22 is by a lead output voltage separately.
The PLC controller is selected Mitsubishi PLC FX2N controller for use, PLC controller substantially horizontal control (0-360 °): horizontal potentiometer is drawn voltage signal FV on the wind-driven generator frame, draw voltage signal CV from horizontal wind transducer, import two input interfaces of PLC controller respectively, the PLC controller is both sizes relatively; Set a dead band ε (ε＞0), if | FV-CV|≤ε, PLC output signal not then, two relays are all disconnected, and namely disconnect horizontal dc motor power; If FV-CV＞ε, then the PLC output signal is connected one of them relay, be the horizontal dc motor power of forward connection, drive wind-driven generator by planet wheel and clockwise rotate that every 20ms is primary voltage relatively, if be still FV-CV＞ε, then horizontal direct current generator continues to clockwise rotate, and when | FV-CV|≤ε, PLC stops output signal, disconnect relay, namely disconnect horizontal dc motor power; If CV-FV＞ε, then the PLC output signal is connected the another one relay, namely oppositely connect horizontal dc motor power, drive wind-driven generator by planet wheel and rotate counterclockwise, every 20ms is primary voltage relatively, if be still CV-FV＞ε, then horizontal direct current generator continues to rotate counterclockwise, until | FV-CV|≤ε, PLC stops output signal, disconnect relay, namely disconnect horizontal dc motor power.Vertical direction control (0-90 °) is basic identical with substantially horizontal control, difference only is, obtain input voltage by the PLC controller from horizontal wind transducer and vertical potentiometer, the PLC controller is after comparison, determine output signal, whether control connects two other relay, namely determines the still vertical dc motor power of reverse connection of forward, swings up and down thereby make vertical direct current generator drive wind-driven generator by fourbar linkage.By the forward or reverse of level, vertical direct current generator, drive wind-driven generator and in sphere, rotate.
Claims (1)
1. wind-driven generator impeller direction-control apparatus, comprise pole (1), frame (2), horizontal potentiometer (3), vertical potentiometer (4), horizontal direct current generator (5), vertical direct current generator (6), horizontal wind transducer (7), vertical wind transducer (8) and PLC controller (9), it is characterized in that:
Be connected with gear ring (12) on the shaft of described pole (1), described frame (2) is placed in pole (1) upper end by thrust-bearing (11) and is rotatably assorted with pole (1), be connected with support (13) on the described frame (2), 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 the support (13), and the outrigger shaft of horizontal potentiometer (3) is vertical direction, passes frame (2) end face through hole and is fixed on pole (1) center, top; Vertically the outrigger shaft of potentiometer (4) is substantially horizontal, and is affixed and coaxial with described rotating shaft (10);
Described frame (2) side is connected with fitting seat (16), described horizontal direct current generator (5) and vertical direct current generator (6) are loaded on respectively on the fitting seat (16), the motor shaft of horizontal direct current generator (5) is vertical direction, vertically the motor shaft of direct current generator (6) is substantially horizontal, and driving gear (17) is fixed on the overhanging motor shaft of horizontal direct current generator (5) and with gear ring (12) engagement and constitutes planetary gear construction; Vertically the overhanging motor shaft of direct current generator (6) is vertical affixed with rocking bar (18) one ends, 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;
Vertically be connected with cross bar (21) on the pole (1) of described gear ring (12) below, cross bar (21) two ends hang horizontal wind transducer (7) and vertical wind transducer (8) respectively, described horizontal wind transducer (7) is with vertically wind transducer (8) structure is identical, 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 struts (28) and the top board (29) of the rectangular distribution in summit, dividing plate (30), base plate (31) is formed 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 are conical running shaft (24) and pass the dividing plate central bore, the running shaft bottom withstands in the groove (32) of described base plate, the running shaft top is withstood by the slack adjuster (22) with top board (29) screw-thread fit, the affixed thoughts wind of the running shaft sheet (23) of described dividing plate top, the running shaft of described dividing plate below is 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 in regular turn; The running shaft mutually orthogonal of the running shaft of described horizontal wind transducer (7) and vertical wind transducer (8); In described horizontal wind transducer (7) and the vertical wind transducer (8), the two ends of ring resistance circle (27) are respectively by the wire connecting power both positive and negative polarity separately, and slack adjuster (22) is by a lead output voltage separately;
Described PLC controller (9) is fixed in described pole (1) bottom, the output voltage of described horizontal wind transducer (7) and horizontal potentiometer (3) carries out voltage ratio by two input interfaces of lead access PLC controller (9) respectively, two output interfaces of PLC controller (9) connect two relays respectively, thereby control main story and the counter-rotating of the horizontal direct current generator of folding control (5) of these two relays; Vertically the output voltage of wind transducer (8) and vertical potentiometer (4) carries out voltage ratio by two other input interface of lead access PLC controller (9) respectively, simultaneously two other output interface of PLC connects two other relay respectively, thereby main story and the counter-rotating of vertical direct current generator (6) are controlled in the folding of controlling these two relays.
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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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| 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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| CN103266991A true CN103266991A (en) | 2013-08-28 |
| CN103266991B 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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Cited By (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 |
| CN112392666A (en) * | 2020-11-18 | 2021-02-23 | 温州方舵建筑有限公司 | Wind power generation set erection support |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| JP2003035249A (en) * | 2001-07-23 | 2003-02-07 | Fuji Heavy Ind Ltd | Tilt angle control method of horizontal shaft windmill and its device |
| US20040197188A1 (en) * | 2002-10-17 | 2004-10-07 | Drake Devon Glen | Downstream wind turbine |
| 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 |
-
2013
- 2013-04-07 CN CN201310117801.1A patent/CN103266991B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
| JP2003035249A (en) * | 2001-07-23 | 2003-02-07 | Fuji Heavy Ind Ltd | Tilt angle control method of horizontal shaft windmill and its device |
| US20040197188A1 (en) * | 2002-10-17 | 2004-10-07 | Drake Devon Glen | Downstream wind turbine |
| 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 |
Cited By (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 |
| CN112392666A (en) * | 2020-11-18 | 2021-02-23 | 温州方舵建筑有限公司 | Wind power generation set erection support |
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| CN103266991B (en) | 2014-12-31 |
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Granted publication date: 20141231 Termination date: 20160407 |