CN217129695U - Wind driven generator monitoring system - Google Patents
Wind driven generator monitoring system Download PDFInfo
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- CN217129695U CN217129695U CN202123342181.0U CN202123342181U CN217129695U CN 217129695 U CN217129695 U CN 217129695U CN 202123342181 U CN202123342181 U CN 202123342181U CN 217129695 U CN217129695 U CN 217129695U
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Abstract
The utility model provides a aerogenerator monitoring system, include: a plurality of angle sensing units, a plurality of data acquisition unit, communication control unit, switch, monitoring unit, angle sensing unit is used for gathering the angle rotation data of bolt, data acquisition unit's input with angle sensing unit connects, data acquisition unit's output with communication control unit connects, the input of switch is connected communication control unit, the output of switch is connected monitoring unit. The utility model discloses an angle physical quantity that angle sensing unit will gather turns into the signal of telecommunication and joins to the switch via data acquisition unit, communication control unit, and the switch sends the signal of telecommunication to the monitoring unit, has realized right each connecting bolt's of aerogenerator position carries out real-time detection, effectively avoids out of planning to shut down, and safety, stability, long period, full load, the high-quality operation of guarantee equipment realize carefree production.
Description
Technical Field
The utility model relates to a data detection technical field especially relates to a aerogenerator monitoring system.
Background
The wind generating set is in a severe environment for a long time and bears complex working condition operation, and is used as a large-scale assembly product, and bolt connection is a main connection mode among all parts. Under the effect of long-term complex loads such as vibration, bending moment and the like, connecting fasteners among all parts can be damaged in different degrees, particularly tower connecting bolts, blade connecting bolts, wind wheel connecting bolts, engine room connecting bolts and the like. The magnitude and dispersion degree of the pretightening force value after bolt connection directly determine the load transmission and operation safety of the unit, if the pretightening force of the bolt does not reach the specified magnitude, the bolt is easy to loosen under the action of alternating load of the wind generating set, and the operation risk of the unit is increased.
Therefore, the safety and reliability problems of the connecting bolt have attracted high attention of various large wind power investors and manufacturers of wind generating sets. At present, the fastening state of bolts is inspected by adopting a mode of manually and periodically performing spot check on the pretightening force of each part connecting bolt by connecting bolts of the wind generating set, the mode has the defects of time consuming, low efficiency and high cost, the manual and periodic inspection cannot ensure the real-time detection of the bolt connection fastening degree, and the great potential safety hazard exists for the operation safety guarantee of the wind generating set.
SUMMERY OF THE UTILITY MODEL
Not enough to exist among the prior art, the utility model provides a aerogenerator monitoring system to the not hard up technical problem of unable real-time supervision bolt in solving the correlation technique.
The utility model provides a aerogenerator monitoring system, include: a plurality of angle sensing units, a plurality of data acquisition unit, communication control unit, switch, monitoring unit, angle sensing unit is used for gathering the angle rotation data of bolt, data acquisition unit's input with angle sensing unit connects, data acquisition unit's output with communication control unit connects, the input of switch is connected communication control unit, the output of switch is connected monitoring unit.
Optionally, the angle sensing unit is arranged at the bolt joint of the wind driven generator and comprises a fixing piece, the shape of the inner wall of the fixing piece corresponds to that of the top of the bolt, a fastening piece penetrating through the inner wall of the fixing piece is arranged on the periphery of the fixing piece, a rotating shaft is fixedly arranged at the bottom of the fixing piece, and the rotating shaft is far away from one end of the fixing piece and connected with the rotation angle sensor.
Optionally, the switch is a ring network switch.
Optionally, the system further comprises an acceleration sensing unit, and an input end of the data acquisition unit is connected to the acceleration sensing unit.
Optionally, the system further comprises a dynamic inclination sensing unit, and an input end of the data acquisition unit is connected with the dynamic inclination sensing unit.
Optionally, the oil-gas separator further comprises an oil sensing unit, and the input end of the data acquisition unit is connected with the oil sensing unit.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in the technique, the angle physical quantity that angle sensing unit will gather turns into the signal of telecommunication and joins to the switch via data acquisition unit, communication control unit, and the switch sends the signal of telecommunication to the monitoring unit, has realized right each connecting bolt's of aerogenerator position carries out real-time detection, effectively avoids out planning to shut down, and guarantee equipment's safety, stability, long period, full load, high-quality operation realize carefree production.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the angle sensing unit of the present invention;
fig. 3 is a front sectional structural schematic view of the fixing member of the present invention.
The reference numbers illustrate: 1. an angle sensing unit; 2. a data acquisition unit; 3. a communication control unit; 4. a switch; 5. a monitoring unit; 6. a bolt; 7. a fixing member; 8. a fastener; 9. a rotating shaft; 10. a rotation angle sensor.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the following technical solutions of the present invention are further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the utility model provides a aerogenerator monitoring system, include: a plurality of angle sensing unit 1, a plurality of data acquisition unit 2, communication control unit 3, switch 4, monitoring unit 5, angle sensing unit 1 is used for gathering the angle rotation data of bolt, data acquisition unit 2's input with angle sensing unit 1 is connected, data acquisition unit 2's output with communication control unit 3 connects, switch 4's input is connected communication control unit 3, switch 4's output is connected monitoring unit 5.
In this embodiment, the plurality of data acquisition units 2 correspond to the angle sensing units 1 one to one, the number of the plurality of angle sensing units 1 is at least three, the plurality of angle sensing units 1 transmit real-time acquisition angle rotation data to the data acquisition units 2, the data acquisition units 2 transmit acquired electric signals to the communication control unit 3, the communication control unit 3 is used for merging data streams (electric signals) from the plurality of data acquisition units 2 into one line and transmitting the data streams to the monitoring unit through the switch 4, and the monitoring unit is used for displaying and analyzing the acquired data, so as to grasp the health condition of the equipment in real time;
the data acquisition unit 2 adopts a data acquisition unit supporting 16 signal channels, and simultaneously supports TCP/IP communication, and data filtering, integral processing, signal demodulation and the like are completed by a field data acquisition unit. Meanwhile, the data acquisition unit supports an RS485 or RS232 communication interface to realize interaction with the master control system (the communication mode is not limited, the number of points is not limited);
the wind driven generator monitoring system effectively avoids unplanned shutdown by detecting the positions of the connecting bolts of the wind driven generator in real time, ensures safe, stable, long-period, full-load and high-quality operation of equipment, and realizes carefree production.
Optionally, the angle sensing unit includes a fixing member 7, the shape of the inner wall of the fixing member 7 corresponds to the shape of the top of the bolt 6, a fastening member 8 penetrating through the inner wall of the fixing member 7 is arranged on the periphery of the fixing member 7, a rotating shaft 9 is fixedly arranged at the bottom of the fixing member 7, and one end of the rotating shaft 9, which is far away from the fixing member 7, is connected to the rotation angle sensor 10.
In this embodiment, the inside size of fastener 7 is customized with the size that uses bolt 6 and is matchd, bolt 6 scarf joint with the inner wall of mounting 7, fastener 8 runs through the inner wall of mounting 7, just fastener 8 threaded connection mounting 7 is rotatory fastener 8 is until the butt the bolt 6 of mounting 7 inner wall makes mounting 4 is relative bolt 6 rotates, works as when aerogenerator's bolt 6 takes place the skew, the pivot 9 relative rotation of mounting 7 bottom connects pivot 9 rotation angle sensor 10 is used for calculating the rotation angle, and will rotation angle physical quantity turns into the signal of telecommunication, sends the signal of telecommunication to data acquisition unit 2 through wired communication or wireless communication for realize accurate control.
Optionally, the switch 4 is a ring network switch.
In this embodiment, a ring network can be established by using the ring network switch 4, and one ring network switch corresponds to one wind driven generator and is used for interfacing with the data stream of the communication control unit 3 in the wind driven generator, so that when a certain wind driven generator in the ring network fails or a link is disconnected, data forwarding of other wind driven generators or the switch 4 is not affected, and timely judgment can be performed according to a failed port of the wind driven generator, thereby improving the overall reliability.
Optionally, the system further comprises an acceleration sensing unit, and an input end of the data acquisition unit 2 is connected to the acceleration sensing unit.
In this embodiment, the acceleration sensing unit is used for acquiring the fan rotating speed of the fan generator in real time and monitoring the fan rotating speed.
Optionally, the system further comprises a dynamic inclination sensing unit, and an input end of the data acquisition unit 2 is connected to the dynamic inclination sensing unit.
In this embodiment, the dynamic inclination angle sensing unit adopts a dual-axis dynamic inclination angle sensor, is usually disposed at the top and the bottom of the tower of the wind turbine generator, and is used for measuring the inclination of the wind turbine generator relative to the horizontal position, the mutual parallelism and the perpendicularity of the two components, and avoiding accidents caused by inclination.
Optionally, the oil-gas sensor further comprises an oil-gas sensing unit, and the input end of the data acquisition unit 2 is connected with the oil-gas sensing unit.
In this embodiment, the oil sensing unit is disposed in a gear lubrication oil path system of the wind turbine generator, and the oil sensing unit is configured to monitor wear, moisture, viscosity, density, temperature, and dielectric constant in a gearbox, and to find a fault symptom of the gearbox in advance.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. Aerogenerator monitoring system, its characterized in that includes: a plurality of angle sensing units, a plurality of data acquisition unit, communication control unit, switch, monitoring unit, angle sensing unit is used for gathering the angle rotation data of bolt, data acquisition unit's input with angle sensing unit connects, data acquisition unit's output with communication control unit connects, the input of switch is connected communication control unit, the output of switch is connected monitoring unit.
2. The wind driven generator monitoring system according to claim 1, wherein the angle sensing unit is disposed at a bolt joint of the wind driven generator, the angle sensing unit comprises a fixing member, the shape of the inner wall of the fixing member corresponds to the shape of the top of the bolt, a fastening member penetrating through the inner wall of the fixing member is disposed on the periphery of the fixing member, a rotating shaft is fixedly disposed at the bottom of the fixing member, and one end of the rotating shaft, which is far away from the fixing member, is connected to the rotation angle sensor.
3. The wind generator monitoring system of claim 1, wherein the switch is a ring network switch.
4. The wind turbine monitoring system of claim 1, further comprising an acceleration sensing unit, wherein an input of the data acquisition unit is connected to the acceleration sensing unit.
5. The wind turbine monitoring system of claim 1, further comprising a dynamic tilt angle sensing unit, wherein an input of the data acquisition unit is connected to the dynamic tilt angle sensing unit.
6. The aerogenerator monitoring system of claim 1 further comprising an oil sensing unit, wherein the input of the data acquisition unit is connected to the oil sensing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123342181.0U CN217129695U (en) | 2021-12-28 | 2021-12-28 | Wind driven generator monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123342181.0U CN217129695U (en) | 2021-12-28 | 2021-12-28 | Wind driven generator monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129695U true CN217129695U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123342181.0U Active CN217129695U (en) | 2021-12-28 | 2021-12-28 | Wind driven generator monitoring system |
Country Status (1)
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|---|---|
| CN (1) | CN217129695U (en) |
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2021
- 2021-12-28 CN CN202123342181.0U patent/CN217129695U/en active Active
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