CN203009180U - Monitoring device and system of wind driven generator tower barrel stability - Google Patents
Monitoring device and system of wind driven generator tower barrel stability Download PDFInfo
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- CN203009180U CN203009180U CN2012207312161U CN201220731216U CN203009180U CN 203009180 U CN203009180 U CN 203009180U CN 2012207312161 U CN2012207312161 U CN 2012207312161U CN 201220731216 U CN201220731216 U CN 201220731216U CN 203009180 U CN203009180 U CN 203009180U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 53
- 238000006073 displacement reaction Methods 0.000 claims abstract description 59
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model provides a monitoring device and a system of wind driven generator tower barrel stability and relates to the technical field of parameter measurements, in particular to the monitoring device and the system of the wind driven generator tower barrel stability. The monitoring device and the system of the wind driven generator tower barrel stability solves the problem that a warning value cannot be accurately set so as to lead that a monitoring result cannot accurately reflect the stability of the tower barrel when an existing monitoring device is used for monitoring the stability of the wind driven generator tower barrel. The monitoring device of the wind driven generator tower barrel stability is provided, a first flange of a lower sectional tower barrel of the wind driven generator tower barrel is fixedly connected with a second flange of a fundamental ring, wherein the fundamental ring is fixedly arranged on the ground. The monitoring device comprises a sensor used for measuring vertical displacement of the fundamental ring relative to the ground.
Description
Technical field
The utility model relates to parameter measuring technical field, relates in particular to monitoring device and the system of wind-driven generator tower stability.
Background technique
Along with the development of wind generating technology, the application scale of high-power wind-driven generator increases day by day.Because the volume and weight of high-power wind-driven generator is larger, also higher to the stability requirement of the tower cylinder that supports high-power wind-driven generator.In order to guarantee the safe operation of high-power wind-driven generator, need to carry out Real-Time Monitoring to the stability of tower cylinder.
At present, the method for monitoring tower cylinder stability is: as shown in Figure 1, circumferentially select suitable measuring point to arrange monitoring device 11 along the tower cylinder on the inwall of top section tower cylinder 12; Utilize this monitoring device to record top section tower cylinder 12 with respect to the value of lateral displacement on ground 13; The on-line monitoring equipment that is electrically connected to this monitoring device obtains to judge whether this value has exceeded default warning value after this value of lateral displacement; If exceeded warning value sent warning information to the attendant.Above-mentioned monitoring device 11 is generally vibration transducer 11.
When stating in the use monitoring device wind-driven generator tower being monitored with respect to the lateral displacement on ground, because the length of blade of wind-driven generator is different, the pylon height is different, the load of tower cylinder is just different, so when presetting warning value in above-mentioned monitoring system, can't set one accurately warning value be used as judging the foundation of tower cylinder stability quality, cause the stability that monitoring result can not accurate response tower cylinder.
The model utility content
Embodiment of the present utility model provides a kind of monitoring device of wind-driven generator tower stability, solved when adopting existing monitoring device that the stability of wind-driven generator tower is monitored, warning value can't accurately be set the problem that the monitoring result that causes can not accurate response tower cylinder stability.
For achieving the above object, embodiment of the present utility model adopts following technological scheme:
A kind of monitoring device of wind-driven generator tower stability, in described wind-driven generator tower, the first flange of end section tower cylinder is fixedly connected with the second flange that is installed in ground foundation ring, and described monitoring device comprises be used to measuring the sensor of described foundation ring with respect to the length travel on described ground.
Preferably, described sensor is displacement transducer, and it is fixed on described ground, and described the first flange or the second flange are used for feeding back the signal of described displacement transducer emission.
Preferably, the monitoring device of wind-driven generator tower stability also comprises measures auxiliary steel disc, the auxiliary steel disc of described measurement is fixedly connected with described the first flange or the second flange, and described the first flange or the second flange also are used for the signal by the described displacement transducer emission of the auxiliary steel disc feedback of described measurement.
Preferably, the monitoring device of wind-driven generator tower stability also comprises sensor stand, and described displacement transducer is fixed on described ground by described sensor stand.
Preferably, described sensor stand comprises the sensor adjustment hole, and described sensor adjustment hole internal frame is provided with the adjustable adjustment hole support in position, and described displacement transducer is fixed on described adjustment hole support.
Preferably, the monitoring device of wind-driven generator tower stability also comprises the metal measured article, described metal measured article fixes on the ground, and described sensor is fixed on section tower cylinder inwall of the described end, and described metal measured article is used for feeding back the signal of described sensor emission.
Preferably, the number of described displacement transducer is no less than 2.
Preferably, the number of described displacement transducer is 2, and described 2 displacement transducers circumferentially are 90 ° of quadrature arrangement along section tower cylinder of the described end.
Preferably, the number of described displacement transducer is 3, and described 3 displacement transducers are along the circumferential distribution of section tower cylinder of the described end; The first and second displacement transducers in described 3 displacement transducers circumferentially are 90 ° of quadrature arrangement along section tower cylinder of the described end, and the triple motion sensor is positioned at outside the scope of formed 90 ° of described the first and second displacement transducers of orthogonal thereto layout.
Preferably, described displacement transducer number is no less than 4, described displacement transducer circumferentially evenly the distributing along section tower cylinder of the described end that is no less than 4.
A kind of monitoring system of wind-driven generator tower stability comprises the monitoring device of online monitoring equipment and above-mentioned wind-driven generator tower stability, and described on-line monitoring equipment is connected by private cable with described monitoring device.
In the monitoring device of the wind-driven generator tower stability that the utility model embodiment provides, because the first flange of end section tower cylinder is fixedly connected with the second flange that is installed in ground foundation ring, played the effect that end section tower cylinder is fixedly connected with foundation ring, so when the tower cylinder had the lengthwise position of the trend of toppling, end section tower cylinder that obvious variation is arranged, the lengthwise position of the foundation ring that is fixedly connected with it also had obvious variation; Again because the length travel on the relative ground of section tower cylinder, the end is a major parameter in tower cylinder stability parameter, the setting of this warning value is not subjected to that the length of blade of wind-driven generator is different, the not impact of equal extraneous factor of pylon height, so can set the foundation that warning value accurately is used as judging tower cylinder stability.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art.
Fig. 1 is that the measuring point of the monitoring device of tower barrel of wind generating set in prior art is arranged schematic diagram;
Fig. 2 arranges schematic diagram for the monitoring device measuring point of the wind-driven generator tower stability that the utility model embodiment provides;
The structural representation that is arranged on ground wind-driven generator tower STABILITY MONITORING device that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the mounting structure schematic diagram of end section tower cylinder and foundation ring in the utility model embodiment, flange;
Fig. 5 arranges schematic diagram for the wind-driven generator tower STABILITY MONITORING device measuring point that is arranged on the tower cylinder that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described.
The utility model embodiment provides a kind of monitoring device of wind-driven generator tower stability, as shown in Figure 4, in wind-driven generator tower, the first flange 31 of end section tower cylinder 22 is fixedly connected with the second flange 42 of foundation ring 41 on being installed in ground 23, wherein, monitoring device comprises for the sensor of Fundamentals of Measurement ring 41 with respect to the length travel on ground 23.
In the monitoring device of the wind-driven generator tower stability that the utility model embodiment provides, because the first flange 31 of end section tower cylinder 22 is fixedly connected with the second flange 42 of foundation ring 41 on being installed in ground 23, played the effect that end section tower cylinder 22 is fixedly connected with foundation ring 41, so when the tower cylinder had the lengthwise position of the trend of toppling, end section tower cylinder 22 that obvious variation is arranged, the lengthwise position of the foundation ring 41 that is fixedly connected with it also had obvious variation; Again because the length travel on section tower cylinder 22 relative ground 23, the end is major parameters in tower cylinder stability parameter, the setting of this warning value is not subjected to that the length of blade of wind-driven generator is different, the not impact of equal extraneous factor of pylon height, so can set the foundation that warning value accurately is used as judging tower cylinder stability.
In the monitoring device of the wind-driven generator tower stability that above-described embodiment is described, as Fig. 2 and shown in Figure 4, sensor 21 can be displacement transducer, and it can be fixed on ground 23, and the first flange 31 or the second flange 42 are used for feeding back the signal of described displacement transducer emission.Because displacement transducer 21 is fixed on ground 23, can not produce the displacement of self; The first flange 31 has been fixedly connected with end section tower cylinder 22 and foundation ring 41 with the second flange 42, self can not produce displacement yet, thereby has guaranteed that measured value that displacement transducer 21 receives is not subjected to the interference of construction element self.In addition, because displacement transducer 21 is fixed on ground 23, do not need to climb to again tower cylinder top placement sensor, therefore saved man power and material's cost.
In the monitoring device of the wind-driven generator tower stability that above-described embodiment is described, as shown in Figure 3, can also comprise and measure auxiliary steel disc 32, measure auxiliary steel disc 32 and be fixedly connected with the first flange 31 or the second flange 42, the first flange 31 or the second flange 42 also are used for assisting by measurement the signal of steel disc 32 feedback bit displacement sensor 21 emissions.Usually, the space at the first flange 31 or the second flange 42 places is less, and with respect to this space, the size of displacement transducer 21 is larger, want to make displacement transducer 21 relative with the first flange 31 or the second flange 42, so that can there be the larger problem of installation difficulty in the signal of the first flange 31 or the second flange 42 feedback bit displacement sensor 21 emissions, so added individual medium tache in the present embodiment---measure auxiliary steel disc 32, it is fixedly connected with the first flange 31 or the second flange 42, has been equivalent to expand the space at the first flange 31 or the second flange 42 places.Assist steel disc 32 relative with displacement transducer 21 by making to measure, can make blue the 31 or second flange 42 of first method assist the signal of steel disc 32 feedback bit displacement sensors 21 emissions by measurement, simplify thereby reached the purpose that displacement transducer 21 is installed.
Need to prove: because the first flange 31 is positioned on the second flange 42, so only need direct control to get final product when auxiliary steel disc 32 is measured in installation and removal, be fixed on if will measure auxiliary steel disc 32 the second flange 42 places that are positioned at the first flange 31 belows, the staff just need to bend to bow so, make operation become not convenient, assist steel disc 32 to be fixed on the first flange 31 places so will measure in the utility model embodiment.
To measure auxiliary steel disc 32 and can coordinate better length travel with Fundamentals of Measurement ring 41 with displacement transducer 21 in order to make, measure and assist the size requirement of steel disc 32 to be: length: between 40mm-150mm; Width: more than 20mm; Thickness: more than 2mm.An end of measuring auxiliary steel disc 32 is fixed on the first flange 31 or the second flange 42 places, the other end extends in the hollow cavity of end section tower cylinder 22, and the probe of displacement transducer 21 need face the other end of measuring auxiliary steel disc 32, and displacement transducer 21 needs to receive the signal that feeds back to by measuring auxiliary steel disc 32.Length, width and the thickness of measuring auxiliary steel disc 32 so are set, can guarantee to measure auxiliary steel disc 32 and self can not produce vertically and rock, therefore can prevent the interference to measurement result.
Certainly, it is optional arranging and measuring auxiliary steel disc 32, when the enough fixed displacements sensor 21 of the space at the first flange 31 or the second flange 42 places, the probe of displacement transducer 21 also can face the first flange 31 or the second flange 42, directly receive the signal that the first flange 31 or the second flange 42 feed back to, can save the step of measuring auxiliary steel disc 32 is set.
In the monitoring device of the wind-driven generator tower stability that above-described embodiment is described, as shown in Figure 3, can also comprise sensor stand 35, displacement transducer 21 can be fixed on ground 23 by sensor stand 35, can guarantee that displacement transducer 21 relative ground 23 is motionless, the reacting condition of the measurement result of this displacement transducer 21 vertical variation of the relative ground of wind-driven generator tower.
In the monitoring device of the wind-driven generator tower stability that above-described embodiment is described, as shown in Figure 3, sensor stand 35 can comprise sensor adjustment hole 34, and sensor adjustment hole 34 internal frames are provided with the adjustable adjustment hole support 33 in position, and displacement transducer 21 is fixed on adjustment hole support 33.Can finely tune the position of displacement transducer 21 by the position of regulating adjustment hole 34, face the other end of measuring auxiliary steel disc 32 with the probe that guarantees displacement transducer 21, receive and measure the signal that auxiliary steel disc 32 feeds back to.
In the monitoring device of the wind-driven generator tower stability that above-described embodiment is described, as shown in Figure 5, the setting position of displacement transducer 21 is not limited to be fixed on ground 23, can also directly be fixed on end section tower cylinder 22 inwalls.Can only detect the displacement of metal material object due to existing displacement transducer 21, therefore, can fix a metal measured article 51 on ground 23, the probe of displacement transducer 21 faces metal measured article 51, and metal measured article 51 is used for the signal of feedback bit displacement sensor 21 emissions.
In the monitoring device of the wind-driven generator tower stability that above-described embodiment is described, as shown in Figure 2, the number of sensor 21 can be no less than 2, and the needs during the number of sensor 21 can be used according to reality are selected.
When the number of sensor 21 was 2,2 sensors 21 circumferentially were 90 ° of quadrature arrangement along foundation ring, with the result that guarantees the to monitor variation tendency on reaction tower cylinder 22 relative ground 23 more accurately.
When the number of sensor 21 was 3,3 sensors 21 can be along the circumferential distribution of end section tower cylinder 22; The first and second sensors in 3 sensors 21 circumferentially are 90 ° of quadrature arrangement along end section tower cylinder 22, the 3rd sensor is positioned at outside the scope of formed 90 ° of the first and second sensors of orthogonal thereto layout, perhaps, described 3 sensors circumferentially evenly distributing along described foundation ring.Increase a sensor 21 and be equivalent to increase a monitoring point, many monitoring points just can further increase the comprehensive of monitoring result, the 3rd sensor is arranged in outside the scope of formed 90 ° of the first and second sensors of orthogonal thereto layout, perhaps, described 3 sensors circumferentially evenly distribute along described foundation ring, and the monitor value that can guarantee three sensors is effective
Need to prove: the sensor that above-described embodiment is described is noncontacting proximity sensor, adopt noncontacting proximity sensor to measure a kind of means that just obtain displacement, also other known to available those skilled in the art can carry out the sensor that length travel measures and measure.
The utility model embodiment also provides a kind of monitoring system of wind-driven generator tower stability, the monitoring device that comprises the wind-driven generator tower stability that online monitoring equipment and above-described embodiment are described, wherein, on-line monitoring equipment is connected by private cable with monitoring device.
In the monitoring system of the wind-driven generator tower stability that the utility model embodiment provides, owing to having used above-mentioned monitoring device, make monitoring result react more accurately and effectively vertical variation tendency on the relative ground of tower cylinder.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement are within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (11)
1. the monitoring device of a wind-driven generator tower stability, in described wind-driven generator tower, the first flange of end section tower cylinder is fixedly connected with the second flange that is installed in ground foundation ring, it is characterized in that, described monitoring device comprises be used to measuring the sensor of described foundation ring with respect to the length travel on described ground.
2. monitoring device according to claim 1, is characterized in that, described sensor is displacement transducer, and it is fixed on described ground, and described the first flange or the second flange are used for feeding back the signal of described displacement transducer emission.
3. monitoring device according to claim 2, it is characterized in that, also comprise and measure auxiliary steel disc, the auxiliary steel disc of described measurement is fixedly connected with described the first flange or the second flange, and described the first flange or the second flange also are used for the signal by the described displacement transducer emission of the auxiliary steel disc feedback of described measurement.
4. according to claim 2 or 3 described monitoring devices, is characterized in that, also comprises sensor stand, and described displacement transducer is fixed on described ground by described sensor stand.
5. monitoring device according to claim 4, is characterized in that, described sensor stand comprises the sensor adjustment hole, and described sensor adjustment hole internal frame is provided with the adjustable adjustment hole support in position, and described displacement transducer is fixed on described adjustment hole support.
6. monitoring device according to claim 1, it is characterized in that, also comprise the metal measured article, described metal measured article is fixed on described ground, described sensor is displacement transducer, be fixed on section tower cylinder inwall of the described end, described metal measured article is used for feeding back the signal of described displacement transducer emission.
7. monitoring device according to claim 1, is characterized in that, the number of described sensor is no less than 2.
8. monitoring device according to claim 7, is characterized in that, the number of described sensor is 2, and described 2 sensors circumferentially are 90 ° of quadrature arrangement along described foundation ring.
9. monitoring device according to claim 7, is characterized in that, the number of described sensor is 3, and described 3 sensors are along the circumferential distribution of described foundation ring; The first and second sensors in described 3 sensors circumferentially are 90 ° of quadrature arrangement along section tower cylinder of the described end, and the 3rd sensor is positioned at outside the scope of formed 90 ° of described the first and second sensors of orthogonal thereto layout; Perhaps, described 3 sensors circumferentially evenly distributing along described foundation ring.
10. monitoring device according to claim 7, is characterized in that, described number of probes is no less than 4, described sensor circumferentially evenly the distributing along described foundation ring that is no less than 4.
11. the monitoring system of a wind-driven generator tower stability, it is characterized in that, the monitoring device that comprises the described wind-driven generator tower stability of any one in online monitoring equipment and claim 1-10, described on-line monitoring equipment is connected by private cable with described monitoring device.
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CN2012207312161U CN203009180U (en) | 2012-12-26 | 2012-12-26 | Monitoring device and system of wind driven generator tower barrel stability |
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CN2012207312161U CN203009180U (en) | 2012-12-26 | 2012-12-26 | Monitoring device and system of wind driven generator tower barrel stability |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105604806A (en) * | 2015-12-31 | 2016-05-25 | 北京金风科创风电设备有限公司 | Tower state monitoring method and system of wind driven generator |
CN111504238A (en) * | 2020-04-29 | 2020-08-07 | 河南柴油机重工有限责任公司 | Micro-amplitude displacement testing method and device for vibration isolation device in diesel engine running state |
CN112537722A (en) * | 2020-12-04 | 2021-03-23 | 国网山东省电力公司昌乐县供电公司 | Auxiliary hoisting positioning device and hoisting positioning method for wind power tower cylinder |
-
2012
- 2012-12-26 CN CN2012207312161U patent/CN203009180U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105604806A (en) * | 2015-12-31 | 2016-05-25 | 北京金风科创风电设备有限公司 | Tower state monitoring method and system of wind driven generator |
CN105604806B (en) * | 2015-12-31 | 2018-09-11 | 北京金风科创风电设备有限公司 | Tower state monitoring method and system of wind driven generator |
CN111504238A (en) * | 2020-04-29 | 2020-08-07 | 河南柴油机重工有限责任公司 | Micro-amplitude displacement testing method and device for vibration isolation device in diesel engine running state |
CN111504238B (en) * | 2020-04-29 | 2021-12-03 | 河南柴油机重工有限责任公司 | Micro-amplitude displacement testing method and device for vibration isolation device in diesel engine running state |
CN112537722A (en) * | 2020-12-04 | 2021-03-23 | 国网山东省电力公司昌乐县供电公司 | Auxiliary hoisting positioning device and hoisting positioning method for wind power tower cylinder |
CN112537722B (en) * | 2020-12-04 | 2022-07-19 | 国网山东省电力公司昌乐县供电公司 | Auxiliary hoisting positioning device and hoisting positioning method for wind power tower cylinder |
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