CN213655048U - Wind power generation blade early warning system - Google Patents
Wind power generation blade early warning system Download PDFInfo
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- CN213655048U CN213655048U CN202022583081.6U CN202022583081U CN213655048U CN 213655048 U CN213655048 U CN 213655048U CN 202022583081 U CN202022583081 U CN 202022583081U CN 213655048 U CN213655048 U CN 213655048U
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- 238000010248 power generation Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 55
- 230000003137 locomotive effect Effects 0.000 claims abstract description 4
- 208000024891 symptom Diseases 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000005336 cracking Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 108010066057 cabin-1 Proteins 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a wind power equipment technical field, especially a wind power generation blade early warning system, including a plurality of blade sensors, measuring module, wireless receiving module and communication unit, the quantity of blade sensor is three at least, and fixed setting is inside three windmill blade respectively, the signal output part of blade sensor is respectively through cable electric connection to measuring module, measuring module is fixed to be set up in the inside cavity of locomotive, wireless receiving module with the communication unit all sets up in the cabin of windmill, measuring module with wireless receiving module passes through wireless communication, wireless receiving module with the communication unit passes through cable electric connection. The utility model discloses but diagnostic equipment's running state discovers the fault symptom of blade in advance.
Description
Technical Field
The utility model relates to a wind power equipment technical field, especially a wind power generation blade early warning system.
Background
The appearance of three blades of a wind generating set (hereinafter referred to as a set) may generate cracks after running for a period of time due to factors such as weather, environment, materials of the blades and the like, so that the phenomena of blade cracking, blade breakage and blade icing are caused. The blade fracture mostly occurs at the root part and the middle part of the blade and is in a fracture mode, and the blade fracture mostly occurs at the front edges of the blade tip and the middle part of the blade and is in a longitudinal separation opening mode. The cracking and breaking of the blades can cause great damage to the operation of the wind generating set, so the research and exploration of the early warning technology are a core technology of the wind generating set industry.
The blades are among the most complex parts of the case in fans, which are very expensive to replace, and in the event of extreme damage, the fan must be immediately shut down to reduce both direct and secondary damage, the earlier damage is discovered, the easier it is to repair the blade. At present, the existing blade state monitoring is basically based on visual inspection, and has the disadvantages of long time interval, high cost, low efficiency and no longer suitability for the visual inspection of a fan.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a wind power generation blade early warning system can the diagnostic equipment's running state, discovers the fault symptom of blade in advance.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a wind power generation blade early warning system, including a plurality of blade sensors, measuring module, wireless receiving module and communication unit, the quantity of blade sensor is three at least, and fixed setting is inside three windmill blade respectively, the signal output part of blade sensor is respectively through cable electric connection to measuring module, measuring module is fixed to be set up in the inside cavity of locomotive, wireless receiving module with the communication unit all sets up in the cabin of windmill, measuring module with wireless receiving module passes through wireless communication, wireless receiving module with the communication unit passes through cable electric connection.
In the wind power generation blade early warning system, as an optimal scheme, the distance between the blade sensor and the wind head is 13-26M.
In the wind power generation blade early warning system, as an optimal scheme, a wireless communication module is further arranged at the measuring module, one end of the wireless communication module is electrically connected with the measuring module, and the other end of the wireless communication module is communicated with the wireless receiving module through a wireless signal.
In the wind power generation blade early warning system, as a preferable scheme, the number of the blade sensors is three, the blade sensors are respectively arranged in the three windmill blades, and the distance from each blade sensor to the wind head is 21M.
In the wind power generation blade early warning system, as a preferred scheme, the number of the blade sensors is nine, three blade sensors, namely a first blade sensor, a second blade sensor and a third blade sensor, are fixedly arranged in each windmill blade, and the distance from the first blade sensor to the wind turbine head is 21M.
In the wind power generation blade early warning system, as an optimal scheme, the distance from the second blade sensor to the wind nose is 26M, and the distance from the third blade sensor to the wind nose is 16M.
In the wind power generation blade early warning system, as an optimal scheme, a fan main control is arranged in the engine room, and the communication unit is electrically connected with the fan main control.
In the wind power generation blade early warning system, as a preferred scheme, the communication unit is electrically connected with a monitoring center, the monitoring center is arranged outside the windmill, and the communication unit is connected with the monitoring center through a 485 communication cable.
In the wind power generation blade early warning system, as an optimal scheme, the communication mode between the wireless communication module and the wireless receiving module is ZigBee communication network communication.
The utility model provides a wind power generation blade early warning system has following beneficial effect:
the utility model provides a wind power generation blade early warning system, which continuously monitors parameters such as blade state, rotating speed, power and the like in the operation process of equipment through a blade sensor, automatically stores effective data such as vibration, trend and the like, and automatically calculates the characteristic frequency of the blade through the master control of a fan; the system can diagnose the running state of the equipment, find the fault symptoms of the blade in advance, and judge the fault position, the fault type, the damage degree and the development trend; three blade sensors are arranged in each windmill blade, and because the replacement of components in the windmill blade is troublesome, when one blade sensor fails, the remaining two blade sensors can be used for collecting windmill blade data for standby, so that the maintenance frequency is reduced.
Drawings
Fig. 1 is a schematic frame diagram of a wind turbine blade early warning system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a windmill of a wind power generation blade early warning system provided by an embodiment of the present invention;
fig. 3 is a schematic view of a right-side cross-sectional structure of a windmill blade of a wind power generation blade early warning system according to an embodiment of the present invention.
Description of reference numerals:
the system comprises a 1-cabin, a 2-windmill blade, a 3-first blade sensor, a 4-second blade sensor, a 5-third blade sensor, a 6-wireless communication module, a 7-wireless receiving module and an 8-communication unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Exemplary embodiments of the present invention are described below in conjunction with specific situations:
referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic frame diagram of a wind turbine blade early warning system provided by an embodiment of the present invention, fig. 2 is a schematic structural diagram of a windmill of the wind turbine blade early warning system provided by an embodiment of the present invention, and fig. 3 is a schematic structural diagram of a right-side view section of the windmill blade of the wind turbine blade early warning system provided by an embodiment of the present invention; the embodiment provides a wind power generation blade early warning system, including a plurality of blade sensors, measuring module, wireless receiving module 7 and communication unit 8, the quantity of blade sensor is three at least, fixed setting is inside three windmill blade 2 respectively, the signal output part of blade sensor is respectively through cable electric connection to measuring module, measuring module is fixed to be set up in the internal cavity of locomotive, wireless receiving module 7 and communication unit 8 all set up in the cabin 1 of windmill, measuring module and wireless receiving module 7 pass through wireless communication, wireless receiving module 7 passes through cable electric connection with communication unit 8.
In the wind power generation blade early warning system, as an optimal scheme, the distance between the blade sensor and the wind head is 13-26M.
In the wind power generation blade early warning system, as an optimal scheme, the measuring module is further provided with a wireless communication module 6, one end of the wireless communication module 6 is electrically connected with the measuring module, and the other end of the wireless communication module is communicated with the wireless receiving module 7 through a wireless signal.
In the wind turbine blade early warning system, preferably, the number of the blade sensors is three, the blade sensors are respectively arranged in the three windmill blades 2, and the distance from each blade sensor to the wind head is 21M.
In the wind power generation blade early warning system, as an optimal scheme, the number of the blade sensors is nine, three blade sensors, namely a first blade sensor 3, a second blade sensor 4 and a third blade sensor 5, are fixedly arranged in each windmill blade 2, and the distance from the first blade sensor 3 to the windmill head is 21M.
In the wind power generation blade early warning system, as an optimal scheme, the distance from the second blade sensor 4 to the wind head is 26M, and the distance from the third blade sensor 5 to the wind head is 16M. Because the components inside the windmill blade 2 are troublesome to replace, when one blade sensor fails, the other two blade sensors can be used for collecting the data of the windmill blade 2 for standby, and the maintenance frequency of the components inside the windmill blade 2 can be reduced.
In the wind power generation blade early warning system, as an optimal scheme, a fan main control is arranged in the engine room 1, and the communication unit 8 is electrically connected with the fan main control.
In the wind power generation blade early warning system, as a preferred scheme, the communication unit 8 is electrically connected with a monitoring center, the monitoring center is arranged outside the windmill, and the communication unit 8 is connected with the monitoring center through a 485 communication cable.
In the wind power generation blade early warning system, as an optimal scheme, the communication mode between the wireless communication module 6 and the wireless receiving module 7 is ZigBee communication network communication. Because the windmill main shaft and the casing are arranged between the wireless communication module 6 and the wireless receiving module 7 at intervals, and the wireless communication module 6 is in a rotating state, the entity cable is difficult to lay, and the problem of difficult wiring can be avoided by adopting ZigBee communication network communication.
The utility model continuously monitors parameters such as blade state, rotating speed and power in the running process of the equipment through the blade sensor, automatically stores effective data such as vibration and trend, and automatically calculates the characteristic frequency of the blade through the master control of the fan; the system can diagnose the running state of the equipment, discover the fault symptoms of the blade in advance, judge the fault position, the fault type, the damage degree and the development trend, and judge that the reason of the abnormal vibration frequency of the windmill blade 2 is blade surface crack or icing.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The detailed description of the embodiments provided by the present invention is provided above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above examples are only used to help understand the method and the core ideas of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. The utility model provides a wind power generation blade early warning system, its characterized in that includes a plurality of blade sensors, measuring module, wireless receiving module and communication unit, the quantity of blade sensor is three at least, and fixed setting is inside three windmill blade respectively, the signal output part of blade sensor is respectively through cable electric connection to measuring module, measuring module is fixed to be set up in the inside cavity of locomotive, wireless receiving module with the communication unit all sets up in the cabin of windmill, measuring module with wireless receiving module passes through wireless communication, wireless receiving module with the communication unit passes through cable electric connection.
2. The wind turbine blade warning system of claim 1, wherein the blade sensor is located 13-26M from the wind turbine head.
3. The wind power generation blade early warning system according to claim 2, wherein a wireless communication module is further arranged at the measuring module, one end of the wireless communication module is electrically connected with the measuring module, and the other end of the wireless communication module is communicated with the wireless receiving module through a wireless signal.
4. The wind-powered blade warning system of claim 3, wherein the number of the blade sensors is three, the three blade sensors are respectively arranged in three windmill blades, and the distance from each blade sensor to the windmill head is 21M.
5. The wind power generation blade early warning system according to claim 3, wherein the number of the blade sensors is nine, three blade sensors, namely a first blade sensor, a second blade sensor and a third blade sensor, are fixedly arranged in each windmill blade, and the distance from the first blade sensor to the windmill head is 21M.
6. The wind-powered blade warning system of claim 5, wherein the second blade sensor is located at a distance of 26M from a wind-nose, and the third blade sensor is located at a distance of 16M from the wind-nose.
7. The wind turbine blade warning system of claim 3, wherein a fan master is disposed in the nacelle, and the communication unit is electrically connected to the fan master.
8. The wind turbine blade warning system of claim 3, wherein the communication unit is electrically connected to a monitoring center, the monitoring center is disposed outside the windmill, and the communication unit is connected to the monitoring center via a 485 communication cable.
9. The wind turbine blade early warning system of claim 3, wherein the communication mode between the wireless communication module and the wireless receiving module is ZigBee communication network communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583081.6U CN213655048U (en) | 2020-11-10 | 2020-11-10 | Wind power generation blade early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583081.6U CN213655048U (en) | 2020-11-10 | 2020-11-10 | Wind power generation blade early warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655048U true CN213655048U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022583081.6U Expired - Fee Related CN213655048U (en) | 2020-11-10 | 2020-11-10 | Wind power generation blade early warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655048U (en) |
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2020
- 2020-11-10 CN CN202022583081.6U patent/CN213655048U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |