CN203948229U - A kind of tower of wind generating set cylinder inclination measuring device - Google Patents
A kind of tower of wind generating set cylinder inclination measuring device Download PDFInfo
- Publication number
- CN203948229U CN203948229U CN201420116700.2U CN201420116700U CN203948229U CN 203948229 U CN203948229 U CN 203948229U CN 201420116700 U CN201420116700 U CN 201420116700U CN 203948229 U CN203948229 U CN 203948229U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- tower
- sensor
- supporting plate
- inclination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y02E10/722—
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model provides a kind of tower of wind generating set cylinder inclination measuring device, be arranged on the inside of tower cylinder, tower cylinder comprises at least two connecting cylinders, the end that adjacent two connecting cylinders contact is respectively equipped with flange, by bolt, the flange on two connecting cylinders is fixedly connected with, tower cylinder inclination measuring device comprises support and some sensor groups, on the cylinder inwall of at least one connecting cylinder, be at least provided with a support, on support, be provided with some sensor groups, can obtain the nonlinear deformation curve of tower cylinder, better embody tower cylinder inclination and distortion in actual applications, measuring accuracy is high, can judge accurately tower cylinder tilt condition, take measures in time to safeguard, and device is simple, cost-saving.
Description
Technical field
The utility model belongs to the technical field that tower of wind generating set cylinder is measured, particularly a kind of tower of wind generating set cylinder inclination measuring device.
Background technique
The tower cylinder of wind-powered electricity generation unit is the load-supporting part in wind power generating set, in wind power generating set, mainly plays a supportive role, and absorbs unit vibrations simultaneously.Tower cylinder is bearing the load complicated and changeable such as thrust, moment of flexure and torque load, makes in wind power generating set running, and tower cylinder there will be waving and the distortion such as distortion of certain amplitude; In addition, tower cylinder also can be subject to the impact of the factors such as material deformation, component inefficacy and foundation settlement, produces.The excessive inclination and distortion of tower cylinder can affect the normal operation of wind power generating set, and the serious security incident that also can produce, therefore, need to carry out Real-Time Monitoring to the inclination and distortion of tower cylinder.
At present, in the time tower cylinder being carried out to inclination and distortion measurement, multiple GPS receiving machines are normally installed on tower cylinder, draw the inclination and distortion curve that obtains tower cylinder according to gps measurement data, this mode cost is higher, and in the time calculating the distortion of tower cylinder, does not consider the feature of the nonlinear deformation of tower cylinder, normally be out of shape to calculate the amount of deformation of tower cylinder based on single inclination angle and rigid body, the deformation curve that causes calculating tower cylinder is inaccurate.In addition, in prior art, also have the mode by inclination sensor is set on tower cylinder, detect the inclination and distortion of tower cylinder, the deformation curve of the tower cylinder that it measures is still linear deformation curve, but not the true strain curve of tower cylinder causes measurement result inaccurate.
Model utility content
For the deformation curve that overcomes the tower cylinder that existing measuring device draws is linear deformation curve, thereby cause the inaccurate shortcoming of measurement result, the utility model provides a kind of tower of wind generating set cylinder inclination measuring device, can obtain the nonlinear deformation curve of tower cylinder, better embody tower cylinder inclination and distortion in actual applications, measuring accuracy is high, can judge accurately tower cylinder tilt condition, take measures in time to safeguard, and device is simple, cost-saving.
The utility model solves the technological scheme that its technical problem adopts: a kind of tower of wind generating set cylinder inclination measuring device, be arranged on the inside of tower cylinder, tower cylinder comprises at least two connecting cylinders, the end that adjacent two connecting cylinders contact is respectively equipped with flange, by bolt, the flange on two connecting cylinders is fixedly connected with, it is characterized in that, tower cylinder inclination measuring device comprises support and some sensor groups, on the cylinder inwall of at least one connecting cylinder, be at least provided with a support, on support, be provided with some sensor groups.
Support comprises supporting plate, and the cylinder inwall of supporting plate and connecting cylinder fixes, and is interval with some sensor groups on supporting plate, and sensor group is uniformly distributed on supporting plate.
Preferably, supporting plate is ring plate or solid circles plate, and the external diameter of supporting plate matches with the internal diameter of cylinder inwall, and the cylinder inwall of supporting plate and connecting cylinder is bolted.
Support also comprises several supporting frames of supporting bracket plate, and supporting frame is evenly arranged on the bottom of supporting plate along cylinder inwall, and supporting frame is triangle, and two right angle sides of supporting frame fix with cylinder inwall, supporting plate respectively.
Tower cylinder inclination measuring device also comprises the data control unit being arranged on support, and some sensor groups are connected with data control unit respectively.
Data collector and Surveillance center that data control unit comprises the transceiver controller of reception/transmission sensor data signal, data-signal is collected, some sensor groups are connected with transceiver controller by sensor connecting line respectively, and described transceiver controller is connected with Surveillance center by data collector.
Sensor group comprises inclination sensor and acceleration transducer, and inclination sensor is connected with transceiver controller by sensor connecting line respectively with acceleration transducer, and transceiver controller is connected with Surveillance center by data collector.
Preferably, acceleration transducer is arranged on inclination sensor.
Preferably, acceleration transducer and inclination sensor are adjacent setting, and acceleration transducer and the inclination sensor of several adjacent settings are disposed on supporting plate.
The beneficial effects of the utility model are, can obtain the nonlinear deformation curve of tower cylinder, have better embodied tower cylinder inclination and distortion in actual applications, measuring accuracy is high, can judge accurately tower cylinder tilt condition, takes measures in time to safeguard, and device is simple, cost-saving.
Brief description of the drawings
Below in conjunction with accompanying drawing, tower of wind generating set cylinder inclination measuring device described in the utility model is specifically described.
Fig. 1 is the overall structure schematic diagram of the utility model tower of wind generating set cylinder inclination measuring device;
Fig. 2 is the fixing structural representation of the utility model tower cylinder connecting cylinder flange;
Fig. 3 is the structural representation of a kind of set-up mode of sensor group in the utility model tower cylinder inclination measuring device;
Fig. 4 is the structural representation of the another kind of set-up mode of sensor group in the utility model tower cylinder inclination measuring device;
Fig. 5 is that the utility model tower cylinder inclination measuring device is arranged on the plan structure schematic diagram on annular stent plate;
Fig. 6 is that the utility model tower cylinder inclination measuring device is arranged on the plan structure schematic diagram on solid circles supporting plate;
Fig. 7 is the schematic flow sheet of the utility model tower cylinder inclination measuring device.
As shown in the figure, tower cylinder 1, connecting cylinder 2, flange 3, bolt 4, support 5, sensor group 6, supporting plate 7, supporting frame 8, transceiver controller 9, data collector 10, Surveillance center 11, inclination sensor 12, acceleration transducer 13.
Embodiment
As shown in Figure 1, 2, tower of wind generating set cylinder inclination measuring device described in the utility model, is arranged on the inside of tower cylinder.Tower cylinder 1 comprises at least two connecting cylinders 2, the end that two adjacent connecting cylinders contact is respectively equipped with flange 3, by bolt 4, the flange 3 on two connecting cylinders is fixedly connected with, thereby two connecting cylinders 2 are linked together, between multiple connecting cylinders 2, link together by flange 3, bolt 4, form tower cylinder 1.
As shown in Fig. 1,3,4, tower cylinder inclination measuring device comprises support 5 and some sensor groups 6, on the cylinder inwall of at least one connecting cylinder, be at least provided with a support 5, on support 5, be provided with some sensor groups 6, multiple sensor groups 6 can improve the precision of sensor measurement, and measurement result is more accurate.; on the cylinder inwall of at least one connecting cylinder, be provided with support 5; can be to be provided with support 5 on the cylinder inwall of a connecting cylinder; the cylinder that can be also multiple connecting cylinders is equipped with support 5 on inwall; and be at least provided with a support 5 on the cylinder inwall of each connecting cylinder; can be to be provided with a support 5 on the cylinder inwall of each connecting cylinder, can be to be also provided with multiple supports 5 on the cylinder inwall of each connecting cylinder, is provided with some sensor groups 6 on support 5.
As shown in Fig. 1,3,4, support 5 comprises supporting plate 7, and supporting plate 7 fixes with the cylinder inwall of connecting cylinder, makes supporting plate stablize, firmly be fixed on connecting cylinder 2, and means of fixation can have multiple, welding, bolt connection etc.On supporting plate 7, be interval with some sensor groups 6, sensor group 6 is uniformly distributed on supporting plate 7.In the present embodiment, supporting plate 7 is ring plate or solid circles plate, and the external diameter of supporting plate matches with the internal diameter of cylinder inwall, is bolted to connection, by the inwall that is fixed on tower cylinder firm supporting plate.
As shown in Fig. 1,3,4, support 5 also comprises several supporting frames 8, for supporting bracket plate, makes supporting plate more firm.Supporting frame 8 is triangle, and two right angle sides fix with cylinder inwall, supporting plate 7 respectively, and supporting frame 8 is evenly arranged on the bottom of supporting plate, the effect that supporting frame is played support, strengthened along cylinder inwall.
As shown in Fig. 1,5,6, tower cylinder inclination measuring device also comprises the data control unit being arranged on support, several sensor groups 6 are connected with data control unit respectively, data control unit receives, collects, processes and draws out the inclination and distortion curve of tower cylinder for sensor group is obtained to data-signal, tower cylinder is carried out to real-time monitoring.
As shown in Fig. 5,6,7, data control unit comprises transceiver controller 9, data collector 10 and Surveillance center 11, and transceiver controller 9 is for receiving, send the data-signal being obtained by sensor group; Data collector 10 is for collecting data-signal; The data that data collector 10 is collected by Surveillance center 11 are carried out corresponding computing, draw the inclination and distortion equation of tower cylinder, determine the inclination and distortion curve of tower cylinder.Some sensor groups 6 are connected with transceiver controller 9 by sensor connecting line respectively, and transceiver controller 9 is connected with Surveillance center 11 by data collector 10.
As shown in Fig. 1,3,4, sensor group 6 comprises inclination sensor 12 and acceleration transducer 13, and inclination sensor 12, acceleration transducer 13 are provided with several, are evenly distributed on supporting plate 7.Inclination sensor 12 is for measuring the tilt angle of connecting cylinder, and acceleration transducer 13, for measuring the acceleration of connecting cylinder, calculates accordingly according to the tilt angle measuring, acceleration, draws the inclination and distortion curve of tower cylinder.
As shown in Fig. 5,6,7, several inclination sensors 12, acceleration transducer 13 are connected with transceiver controller 9 by sensor connecting line respectively, transceiver controller 9 is connected with data collector 10 by connecting line, the data-signal of acquisition is transferred in data collector 10, data-signal is collected and gathered.Data collector 10 is connected with Surveillance center 11 by connecting line again, and the data-signal of collection is calculated, processed.
As shown in Fig. 5,7, in the time that supporting plate 7 is ring plate, inclination sensor 12, acceleration transducer 13, transceiver controller 9, data collector 10 are all arranged on the supporting plate 7 of ring.Inclination sensor 12, acceleration transducer 13 is provided with several, transceiver controller 9, data collector 10 is respectively arranged with one, several inclination sensors 12, acceleration transducer 13 is connected with transceiver controller 9 by sensor connecting line respectively, transceiver controller 9 is connected with data collector 10 by connecting line, data collector 10 is by the supporting plate sensor that tilts, the data-signal that acceleration transducer obtains is all collected, gather, transfer to 11 places of Surveillance center, by Surveillance center, data are calculated accordingly, process, obtain the inclination and distortion equation of tower cylinder, determine the inclination and distortion curve of tower cylinder.
As shown in Figure 6,7, in the time that supporting plate 7 is solid circles plate, inclination sensor 12, acceleration transducer 13 are arranged on the edge of supporting plate, near supporting plate and cylinder inwall touching position, and are uniformly distributed along the circular edge of supporting plate.Be provided with a transceiver controller 9, a data collector 10 in the center of solid circles supporting plate, several inclination sensors 12, acceleration transducer 13 are connected with transceiver controller 9 by sensor connecting line respectively, and transceiver controller 9 is connected with data collector 10 by connecting line.Data collector 10 is all collected the supporting plate data-signal that sensor, acceleration transducer obtain that tilts, is gathered, transfer to 11 places of Surveillance center, by Surveillance center, data are calculated accordingly, processed, obtain the inclination and distortion equation of tower cylinder, determine the inclination and distortion curve of tower cylinder.
As shown in Figure 3, acceleration transducer 13 can be arranged on inclination sensor 12, be arranged on supporting plate 7 with inclination sensor 12 stacks, in measuring tower cylinder tilt angle, by it, the acceleration in same tilt angle is measured, the data that obtain are more accurate, improve the accuracy of follow-up tower cylinder inclination and distortion equation.
As shown in Figure 4, can also be that acceleration transducer 13 is adjacent setting with inclination sensor 12, forms a combination.Arrange adjacent with inclination sensor 12 of several acceleration transducers 13 forms multiple combinations, and multiple interblock gaps are arranged on supporting plate 7, and are uniformly distributed.
Inclination sensor 12, acceleration transducer 13, data collector 10 and Surveillance center 11 also can adopt the device with wireless transmission function, transceiver controller 9, for having the RF transceiver controller of RADIO FREQUENCY function, sends data to Surveillance center 11 by transmission of wireless signals.
In the time utilizing above-mentioned inclination sensor and acceleration transducer to measure the inclination and distortion of tower cylinder, can, according to the value in the multiple moment that measure, determine the amount of deformation of tower cylinder.Particularly, wind load suffered tower cylinder is divided into three parts, the wind load that is respectively static wind load, quasi-static wind load (being that wind speed changes wind load slowly) and changes fast, accordingly, the distortion of tower cylinder can be resolved into and the stack of the distortion under above-mentioned different wind loads, be decomposed into static deformation, quasistatic distortion and dynamic deformation three parts by the distortion of tower cylinder, this three parts deformational overprint just can obtain the distortion of tower cylinder.
According to the tilt angle measuring and acceleration, obtain static deformation amount, quasistatic amount of deformation and dynamic deformation amount, and determine the inclination and distortion equation of tower cylinder according to static deformation amount, quasistatic amount of deformation and dynamic deformation amount, X (h, t)=(m+n △ is hr+chscos ω △ t t), wherein, △ t=t-t0, for measuring the incremental time of the moment t t0 zero hour in relative measurement cycle; X (h, t) is the deformation equation of tower cylinder, and the h At The Height of tower cylinder is at the horizontal displacement in t moment; (m+n △ t) hr is the static quasistatic deformation equation of tower cylinder, and chscos ω △ t is the dynamic deformation equation of tower cylinder; M is the static deformation amount of tower cylinder, and n is the quasistatic amount of deformation of tower cylinder, and r is static deformation index, and ω, s, c are dynamic deformation amount, kept stable in one-period.The tilt angle measuring according to the inclination sensor in sensor group, acceleration transducer and acceleration, determine the each parametric variable in above-mentioned tower cylinder inclination and distortion equation successively, draws the inclination and distortion equation of tower cylinder, determines the inclination and distortion curve of tower cylinder.
The above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any technician who is familiar with this patent is not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned prompting to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of the utility model scheme.
Claims (8)
1. a tower of wind generating set cylinder inclination measuring device, be arranged on the inside of tower cylinder, described tower cylinder (1) comprises at least two connecting cylinders (2), the end that adjacent two connecting cylinders contact is respectively equipped with flange (3), by bolt (4), the flange on two connecting cylinders is fixedly connected with, it is characterized in that, described tower cylinder inclination measuring device comprises support (5) and some sensor groups (6), on the cylinder inwall of at least one connecting cylinder, be at least provided with a support (5), on described support, be provided with some sensor groups (6); Described support (5) comprises supporting plate (7), described supporting plate (7) fixes with the cylinder inwall of connecting cylinder, on supporting plate (7), be interval with some sensor groups (6), described sensor group (6) is uniformly distributed on supporting plate (7); Described sensor group (6) comprises inclination sensor (12) and acceleration transducer (13), described inclination sensor (12), the edge that acceleration transducer (13) is arranged on supporting plate (2), i.e. close supporting plate and a cylinder inwall touching position, and be uniformly distributed along the circular edge of supporting plate.
2. a kind of tower of wind generating set cylinder inclination measuring device according to claim 1, it is characterized in that, described supporting plate (7) is ring plate or solid circles plate, the external diameter of supporting plate matches with the internal diameter of cylinder inwall, and described supporting plate (7) is bolted with the cylinder inwall of connecting cylinder.
3. a kind of tower of wind generating set cylinder inclination measuring device according to claim 1, it is characterized in that, described support (5) also comprises several supporting frames (8) of supporting bracket plate, supporting frame (8) is evenly arranged on the bottom of supporting plate along cylinder inwall, support frame as described above (8) is triangle, and two right angle sides of support frame as described above fix with cylinder inwall, supporting plate respectively.
4. a kind of tower of wind generating set cylinder inclination measuring device according to claim 1, it is characterized in that, described tower cylinder inclination measuring device also comprises the data control unit being arranged on support (5), and described some sensor groups (6) are connected with data control unit respectively.
5. a kind of tower of wind generating set cylinder inclination measuring device according to claim 4, it is characterized in that, described data control unit comprises the transceiver controller (9) of reception/transmission sensor data signal, the data collector (10) that data-signal is collected and Surveillance center (11), described some sensor groups (6) are connected with transceiver controller (9) by sensor connecting line respectively, and described transceiver controller (9) is connected with Surveillance center (11) by data collector (10).
6. a kind of tower of wind generating set cylinder inclination measuring device according to claim 1, it is characterized in that, described sensor group (6) comprises inclination sensor (12) and acceleration transducer (13), described inclination sensor (12) is connected with transceiver controller (9) by sensor connecting line respectively with acceleration transducer (13), and described transceiver controller (9) is connected with Surveillance center (11) by data collector (10).
7. a kind of tower of wind generating set cylinder inclination measuring device according to claim 6, is characterized in that, described acceleration transducer (13) is arranged on inclination sensor (12).
8. a kind of tower of wind generating set cylinder inclination measuring device according to claim 6, it is characterized in that, described acceleration transducer (13) is adjacent setting with inclination sensor (12), and acceleration transducer (13) and the inclination sensor (12) of described several adjacent settings are disposed on supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116700.2U CN203948229U (en) | 2014-03-14 | 2014-03-14 | A kind of tower of wind generating set cylinder inclination measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116700.2U CN203948229U (en) | 2014-03-14 | 2014-03-14 | A kind of tower of wind generating set cylinder inclination measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948229U true CN203948229U (en) | 2014-11-19 |
Family
ID=51890267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420116700.2U Expired - Fee Related CN203948229U (en) | 2014-03-14 | 2014-03-14 | A kind of tower of wind generating set cylinder inclination measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203948229U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248049A (en) * | 2016-08-31 | 2016-12-21 | 上海应谱科技有限公司 | Wind turbines tower foundation uneven settlement off-line checking method and on-line monitoring method |
| CN107121122A (en) * | 2017-05-31 | 2017-09-01 | 上海应谱科技有限公司 | A kind of Wind turbines tower dynamic rate justifies analysis method |
-
2014
- 2014-03-14 CN CN201420116700.2U patent/CN203948229U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248049A (en) * | 2016-08-31 | 2016-12-21 | 上海应谱科技有限公司 | Wind turbines tower foundation uneven settlement off-line checking method and on-line monitoring method |
| CN107121122A (en) * | 2017-05-31 | 2017-09-01 | 上海应谱科技有限公司 | A kind of Wind turbines tower dynamic rate justifies analysis method |
| CN107121122B (en) * | 2017-05-31 | 2019-08-06 | 上海应谱科技有限公司 | A kind of Wind turbines tower dynamic rate circle analysis method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203772258U (en) | Tower barrel comprehensive monitoring device for wind turbine generator | |
| CN103616157B (en) | The quiet calibration system of wind-tunnel balance body axle system and method | |
| CN107939617A (en) | A kind of wind power generating set, which is toppled, monitors system and method | |
| CN102589512B (en) | Method, device and system for measuring skew deformation amount of tower of wind generating set | |
| CN103245321B (en) | Tower of wind generating set tubular state monitoring system and method | |
| CN202692922U (en) | Multifunctional spindle sleeve detector | |
| CN202075304U (en) | Ultrasonic wave anemometer | |
| CN102538941B (en) | Device and method for conventional balance to measure natural frequency of cantilever supported model in wind tunnel | |
| CN203948229U (en) | A kind of tower of wind generating set cylinder inclination measuring device | |
| CN203742907U (en) | Measuring device for tower of wind turbine generator set | |
| CN203785660U (en) | Wind turbine tower cylinder inclination deformation monitoring device | |
| CN103994808A (en) | Comparison-based dynamic weighing device and comparison-based low-frequency dynamic weighing method | |
| CN103411789A (en) | Simple loading and testing device for dynamic characteristics of actuator | |
| CN203744965U (en) | Shape measuring device for tower cylinder of wind turbine generator set | |
| CN105628280A (en) | Integrated transmission device strain gage force measurement supporting seat for armored vehicle | |
| CN103267473B (en) | A kind of blade of vertical axis wind turbine deflection measuring apparatus | |
| CN202869717U (en) | Absolute stress detection apparatus for prestressed concrete bridge | |
| CN102140778B (en) | Spherical wireless real-time monitoring steel support for bridge | |
| CN202836695U (en) | Dynamic weighing electronic balance | |
| CN204202867U (en) | A kind of SCM Based wheel bending fatigue testing device | |
| CN203083771U (en) | High-accuracy quality characteristic measuring instrument | |
| CN207454184U (en) | A kind of blower fan group tower inclinometric system | |
| CN202704827U (en) | Wireless weighing device of crane hook | |
| CN202221378U (en) | Lower expansion test device for nuclear power equipment | |
| CN104964808A (en) | Method for calculating unsteady aerodynamic coefficient of wind and rain induced vibration of power transmission line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20180314 |