CN104615073A - Wind observation device capable of being automatically adjusted in azimuth on bridge tower and adjustment method thereof - Google Patents
Wind observation device capable of being automatically adjusted in azimuth on bridge tower and adjustment method thereof Download PDFInfo
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- CN104615073A CN104615073A CN201510050706.3A CN201510050706A CN104615073A CN 104615073 A CN104615073 A CN 104615073A CN 201510050706 A CN201510050706 A CN 201510050706A CN 104615073 A CN104615073 A CN 104615073A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
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- Automation & Control Theory (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a wind observation device capable of being automatically adjusted in azimuth on a bridge tower and an adjustment method thereof and belongs to the field of bridge tower sensing observation. The wind observation device comprises a wind sensor, a triangular support, a rotating shaft and two wind absorbing cables fixed to the triangular support and further comprises a controller, wherein the controller is sequentially connected with a PLC and a synchronous motor. The azimuth adjustment method comprises main steps of calculating an optimal wind sensor installing angle in different coming wind directions, acquiring coming wind data, calculating wind direction change amount, judging whether the wind direction change amount is larger than 5 degree or not, enabling the controller to send an instruction to the PLC, enabling the PLC to control the synchronous motor to start and drive the rotary shaft to rotate. The wind observation device can be automatically adjusted on the bridge tower, and measured data are high in accuracy.
Description
Technical field
The present invention relates to bridge tower wind observation field, be specifically related to wind observation device and the method for adjustment thereof that bridge tower can adjust automatically orientation.
Background technology
In order to ensure the security of bridge structure under wind action, just rationally must determine the wind field characteristic at bridge location place, field measurement is also comparatively effectively adopt more a kind of means at present.Fixed support formula on direct-installation on tower, tower is mainly contained in existing on-the-spot wind observation experiment device.The sectional dimension of bridge tower generally reaches about 10m, and due to the interference of bridge tower, wind sensor generally needs the updrift side being arranged on incoming flow wind direction to reduce the flow perturbation of bridge tower to wind sensor place place.Because natural wind direction be not different in the same time, particularly Various Seasonal, the cardinal wind at bridge location place is generally inconsistent or even reverse, to add on tower fixed installation formula on direct-installation and tower once install its position all can not box haul change and change, therefore when after change of the wind, rack-mount wind sensor is larger by the impact of bridge tower, now the representativeness of its data is poor, discreteness is larger, the accuracy of wind observation data is also poor, and the wind observation device therefore on this tower is further improved.
Summary of the invention
Technical matters to be solved by this invention is to provide on a kind of bridge tower can adjust the wind observation device in orientation and the orientation adjustment method of this wind observation device automatically, make to record wind direction data accurately under different wind directions, and without the need to manual intervention, automatic operation.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of bridge tower can adjust automatically the wind observation device in orientation, wind sensor is fixed on triangular supports one end by pillar, away from this end triangular supports while fixing on the rotating shaft, triangular supports and rotation axis are in same perpendicular, rotation axis is arranged on bearing fixing on bridge tower, also be provided with two wind cables of fixed triangle shape support, one end of two wind cables is fixed in the middle part of the top boom of described triangular supports jointly, and the other end is separately fixed on bridge tower; Wind sensor is by data acquisition line concentration connection control device, and controller is connected successively with programmable logic controller (PLC) PLC, synchronous motor, and in addition, synchronous motor is also connected to rotation axis, controls rotation axis and rotates.
As optimization, described wind cable forms by two sections, and one section is steel strand wires, and another section is spring.
Adopt the orientation adjustment method that bridge tower can adjust automatically the observation device in orientation, comprise the following steps:
According to the shape facility of bridge tower, gone out the wind sensor setting angle of the optimum when different incoming flow wind direction by CFD numerical simulation calculation, and this corresponding relation is stored in the controller;
Wind sensor gathers incoming flow wind direction data;
Controller calculates wind vector amount according to current wind direction data, and judges whether wind vector amount is greater than 5 °;
If wind vector amount is not greater than 5 °, then wind sensor continues to gather wind direction data, if wind vector amount is greater than 5 °, then the optimum wind sensor setting angle precomputed searched by controller, sends instruction afterwards to programmable logic controller (PLC) PLC;
After programmable logic controller (PLC) PLC receives instruction, control synchronization motor is opened, and drives rotation axis to rotate, adjustment triangular supports setting angle, and after adjustment, wind sensor continues to gather wind direction data.
Improve as one, also comprise data storing steps, the data of storage comprise wind direction data that wind sensor collects and the orientation adjustment angle value that programmable logic controller (PLC) PLC sends.
The invention has the beneficial effects as follows: because the present invention can according to the change whole-process automatic adjustment wind sensor setting angle of incoming flow wind direction, the installation site of wind sensor is made to be in optimum state all the time, which can reduce the impact of bridge tower on wind sensor to greatest extent, improve representativeness, the accuracy of wind observation data, reduce the error caused because measuring method is improper simultaneously.In addition, this device is easy for installation, operates simple and easy, can automatically run after installation, and without the need to manual intervention in operation process, and the installation cost of apparatus of the present invention is lower, is applicable to various types of bridge tower or other wind observation tower, applied widely.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail, wherein:
Fig. 1 is the front view of apparatus of the present invention.
Fig. 2 is the vertical view of apparatus of the present invention.
Fig. 3 is the left view of apparatus of the present invention.
Fig. 4 be apparatus of the present invention when change of the wind, it adjusts the effect schematic diagram in orientation automatically.
Fig. 5 is the adjustment schematic flow sheet in adjustment wind observation device orientation automatically in the present invention.
Fig. 6 is the schematic diagram that the angle of stroke sensor of the present invention and incoming flow wind direction remains on when optimal angle is 51 °.
In figure: 1-wind sensor; 2-pillar; 3-triangular supports; 4-rotation axis; 5-bearing; 6-data acquisition line concentration; 7-controller; 8-programmable logic controller (PLC) PLC; 9-synchronous motor; 10-bridge tower; 11-steel strand wires; 12-spring; 13-wind cable; 14-top boom; In Fig. 4, parallel rows group represents wind direction, before dotted line represents adjustment, after solid line represents adjustment.
Embodiment
The wind observation device and method of adjustment thereof that a kind of bridge tower can adapt to automatically wind direction are the object of this invention is to provide, when the incoming flow change of the wind at bridge location place, this device can adjust the setting angle of wind sensor automatically to reduce the impact of bridge tower on wind sensor, and the wind observation data that it obtains is better representative.As Fig. 1, shown in Fig. 2 and Fig. 3, this apparatus structure is: comprise wind sensor 1, it can be propeller type anemoclinograph or three-D ultrasonic anemoclinograph, wind sensor 1 is fixed on triangular supports 3 one end by pillar 2, away from this end triangular supports 3 while be fixed on rotation axis 4, triangular supports 3 and rotation axis 4 are in same perpendicular, namely perpendicular is with respect to the horizontal plane, rotation axis 4 is arranged on bearing 5 fixing on bridge tower 10, also be provided with two wind cables 13 of fixed triangle shape support 3, wind cable 13 has certain elasticity, its length can freely change within the specific limits, article two, the top boom 14(top boom 14 that one end of wind cable 13 is fixed on described triangular supports 3 jointly joins end to end with another two bars and form triangular supports 3) in the middle part of, the other end is separately fixed on bridge tower 10, wind sensor 1 is by data acquisition line concentration 6 connection control device 7, controller 7 is connected successively with programmable logic controller (PLC) PLC8, synchronous motor 9, synchronous motor 9 is also connected to rotation axis 4, the instruction that programmable logic controller (PLC) PLC8 transmits for receiving controller 7, start running according to instruction control synchronization motor 9, synchronous motor 9 drives rotation axis 4 to rotate, and rotation process and effect are as shown in Figure 4.
Wind cable 13 described in the present invention forms by two sections, and one section is steel strand wires 11, and another section is spring 12.
Adopt the orientation adjustment method that automatically can adjust the wind observation device in orientation in the present invention, its set-up procedure as shown in Figure 5, comprises the following steps:
According to the shape facility of bridge tower, by CFD(Computational Fluid Dynamics) wind sensor 1 setting angle of numerical simulation calculation optimum when going out different incoming flow wind direction, and this corresponding relation is stored in controller 7; Such as, as shown in Figure 6, the cross sectional shape of this corresponding relation and bridge tower has certain relation, and CFD optimizes the result calculated and shows that its corresponding relation of bridge tower of sub-circular is: it is preferably installation site that wind sensor 1 and the angle of incoming flow wind direction remain on 51 °.
Wind sensor 1 gathers incoming flow wind direction data;
Controller 7 calculates wind vector amount according to current wind direction data, and judges whether wind vector amount is greater than 5 °;
If wind vector amount is not greater than 5 °, then wind sensor 1 continues to gather wind direction data, if wind vector amount is greater than 5 °, then optimum wind sensor 1 setting angle precomputed searched by controller 7, sends instruction afterwards to programmable logic controller (PLC) PLC8;
After programmable logic controller (PLC) PLC8 receives instruction, control synchronization motor 9 is opened, and drives rotation axis 4 to rotate, adjustment triangular supports 3 setting angle, and after adjustment, wind sensor 1 continues to gather wind direction data.
In addition, also comprise data storing steps, the data of storage comprise wind direction data that wind sensor 1 collects and the orientation adjustment angle value that programmable logic controller (PLC) PLC8 sends.
Concrete, such as, under optimum setting angle is 51 ° of situations, when change of the wind amount is 8 °, this device does following adjustment automatically: the first step, and the real-time data transmission of wind sensor 1 is in controller 7; Second step, controller 7 pairs of data store and analyze, microcomputer in controller 7 judges according to the criterion preset (change angle is greater than 5 ° and namely adjusts), judges that showing that wind angle changes has been greater than 5 °, needs to adjust triangular supports 3; 3rd step, controller 7 calculates triangular supports 3 according to the corresponding relation preset needs the angle value of adjustment to be 8 °; 4th step, controller 7 sends the instruction of adjustment triangular supports 3 angle in the programmable logic controller (PLC) PLC8 of synchronous motor 9; 5th step, programmable logic controller (PLC) PLC8 starts according to corresponding instruction the setting angle that synchronous motor 9 adjusts triangular supports 3, thus finally completes adjustment process.Adjusted rear wind sensor 1 installation site or and incoming flow wind direction remain on the optimum setting angle of 51 °.
Claims (4)
1. a bridge tower can adjust automatically the wind observation device in orientation, it is characterized in that: wind sensor (1) is fixed on triangular supports (3) one end by pillar (2), away from this end triangular supports (3) while be fixed on rotation axis (4), described triangular supports (3) and rotation axis (4) are in same perpendicular, described rotation axis (4) is arranged on the upper fixing bearing (5) of bridge tower (10), also be provided with two wind cables (13) of fixed triangle shape support (3), one end of described two wind cables (13) is fixed on top boom (14) middle part of described triangular supports (3) jointly, the other end is separately fixed on bridge tower (10), described wind sensor (1) is by data acquisition line concentration (6) connection control device (7), described controller (7) and programmable logic controller (PLC) PLC(8), synchronous motor (9) is connected successively, described synchronous motor (9) is also connected to rotation axis (4), controls described rotation axis (4) and rotates.
2. a kind of bridge tower as claimed in claim 1 can adjust automatically the wind observation device in orientation, it is characterized in that: described wind cable (13) forms by two sections, one section is steel strand wires (11), and another section is spring (12).
3. adopt an orientation adjustment method for device as claimed in claim 1 or 2, it is characterized in that: comprise the following steps:
According to the shape facility of bridge tower, gone out wind sensor (1) setting angle of the optimum when different incoming flow wind direction by CFD numerical simulation calculation, and this corresponding relation is stored in controller (7);
Wind sensor (1) gathers incoming flow wind direction data;
Controller (7) calculates wind vector amount according to current wind direction data, and judges whether wind vector amount is greater than 5 °;
If wind vector amount is not greater than 5 °, then wind sensor (1) continues to gather wind direction data, if wind vector amount is greater than 5 °, then optimum wind sensor (1) setting angle precomputed searched by controller (7), afterwards to programmable logic controller (PLC) PLC(8) send instruction;
Programmable logic controller (PLC) PLC(8) receive instruction after, control synchronization motor (9) is opened, and drives rotation axis (4) to rotate, adjustment triangular supports (3) setting angle, and after adjustment, wind sensor (1) continues to gather wind direction data.
4. orientation adjustment method as claimed in claim 3, is characterized in that: also comprise data storing steps, and the data of storage comprise the wind direction data and programmable logic controller (PLC) PLC(8 that wind sensor (1) collects) the orientation adjustment angle value that sends.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106771335A (en) * | 2016-12-05 | 2017-05-31 | 北京普华亿能风电技术有限公司 | The wind detection method and wind resistance shadow anemometer tower of a kind of anemometer tower |
CN111257586A (en) * | 2020-02-07 | 2020-06-09 | 西南交通大学 | Leveling device for wind measuring instrument on large cable of large-span suspension bridge |
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EP0083819A1 (en) * | 1982-01-08 | 1983-07-20 | Jos Hayen | Device for retaining a directable windmill in the wind direction |
CN201377388Y (en) * | 2009-04-23 | 2010-01-06 | 沈阳瑞祥风能设备有限公司 | Fuzzy yawing control system of wind generating set |
CN201378173Y (en) * | 2009-03-13 | 2010-01-06 | 上海市建筑科学研究院(集团)有限公司 | Aerovane |
CN102444543A (en) * | 2010-09-30 | 2012-05-09 | 华锐风电科技(集团)股份有限公司 | Method and device for judging unnecessary windward condition, and method and system for tracking wind |
US20130285590A1 (en) * | 2010-12-27 | 2013-10-31 | Kawasaki Jukogyo Kabushiki Kaisha | Reference Angle Detecting Device |
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2015
- 2015-01-30 CN CN201510050706.3A patent/CN104615073B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0083819A1 (en) * | 1982-01-08 | 1983-07-20 | Jos Hayen | Device for retaining a directable windmill in the wind direction |
CN201378173Y (en) * | 2009-03-13 | 2010-01-06 | 上海市建筑科学研究院(集团)有限公司 | Aerovane |
CN201377388Y (en) * | 2009-04-23 | 2010-01-06 | 沈阳瑞祥风能设备有限公司 | Fuzzy yawing control system of wind generating set |
CN102444543A (en) * | 2010-09-30 | 2012-05-09 | 华锐风电科技(集团)股份有限公司 | Method and device for judging unnecessary windward condition, and method and system for tracking wind |
US20130285590A1 (en) * | 2010-12-27 | 2013-10-31 | Kawasaki Jukogyo Kabushiki Kaisha | Reference Angle Detecting Device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106771335A (en) * | 2016-12-05 | 2017-05-31 | 北京普华亿能风电技术有限公司 | The wind detection method and wind resistance shadow anemometer tower of a kind of anemometer tower |
CN111257586A (en) * | 2020-02-07 | 2020-06-09 | 西南交通大学 | Leveling device for wind measuring instrument on large cable of large-span suspension bridge |
CN111257586B (en) * | 2020-02-07 | 2021-08-03 | 西南交通大学 | Leveling device for wind measuring instrument on large cable of large-span suspension bridge |
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